Merge bk://linuxvm.bkbits.net/linus-2.5 into cantab.net:/usr/src/tng

arch/m68k/mac/baboon.c

@@ -27,7 +27,9 @@ volatile struct baboon *baboon;
 
 void baboon_irq(int, void *, struct pt_regs *);
 
+#if 0
 extern int macide_ack_intr(struct ata_channel *);
+#endif
 
 /*
  * Baboon initialization.

arch/mips/lib/ide-no.c

@@ -30,42 +30,8 @@ static void no_ide_init_hwif_ports (hw_regs_t *hw, ide_ioreg_t data_port,
 {
 }
 
-static int no_ide_request_irq(unsigned int irq,
-                              void (*handler)(int,void *, struct pt_regs *),
-                              unsigned long flags, const char *device,
-                              void *dev_id)
-{
-	panic("no_no_ide_request_irq called - shouldn't happen");
-}			
-
-static void no_ide_free_irq(unsigned int irq, void *dev_id)
-{
-	panic("no_ide_free_irq called - shouldn't happen");
-}
-
-static int no_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-	panic("no_ide_check_region called - shouldn't happen");
-}
-
-static void no_ide_request_region(ide_ioreg_t from, unsigned int extent,
-                                    const char *name)
-{
-	panic("no_ide_request_region called - shouldn't happen");
-}
-
-static void no_ide_release_region(ide_ioreg_t from, unsigned int extent)
-{
-	panic("no_ide_release_region called - shouldn't happen");
-}
-
 struct ide_ops no_ide_ops = {
 	&no_ide_default_irq,
 	&no_ide_default_io_base,
-	&no_ide_init_hwif_ports,
-	&no_ide_request_irq,
-	&no_ide_free_irq,
-	&no_ide_check_region,
-	&no_ide_request_region,
-	&no_ide_release_region
+	&no_ide_init_hwif_ports
 };

arch/mips/lib/ide-std.c

@@ -62,42 +62,8 @@ static void std_ide_init_hwif_ports (hw_regs_t *hw, ide_ioreg_t data_port,
 	hw->io_ports[IDE_IRQ_OFFSET] = 0;
 }
 
-static int std_ide_request_irq(unsigned int irq,
-                                void (*handler)(int,void *, struct pt_regs *),
-                                unsigned long flags, const char *device,
-                                void *dev_id)
-{
-	return request_irq(irq, handler, flags, device, dev_id);
-}			
-
-static void std_ide_free_irq(unsigned int irq, void *dev_id)
-{
-	free_irq(irq, dev_id);
-}
-
-static int std_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-	return check_region(from, extent);
-}
-
-static void std_ide_request_region(ide_ioreg_t from, unsigned int extent,
-                                    const char *name)
-{
-	request_region(from, extent, name);
-}
-
-static void std_ide_release_region(ide_ioreg_t from, unsigned int extent)
-{
-	release_region(from, extent);
-}
-
 struct ide_ops std_ide_ops = {
 	&std_ide_default_irq,
 	&std_ide_default_io_base,
-	&std_ide_init_hwif_ports,
-	&std_ide_request_irq,
-	&std_ide_free_irq,
-	&std_ide_check_region,
-	&std_ide_request_region,
-	&std_ide_release_region
+	&std_ide_init_hwif_ports
 };

arch/mips64/lib/ide-no.c

@@ -29,42 +29,8 @@ static void no_ide_init_hwif_ports (hw_regs_t *hw, ide_ioreg_t data_port,
 {
 }
 
-static int no_ide_request_irq(unsigned int irq,
-                              void (*handler)(int,void *, struct pt_regs *),
-                              unsigned long flags, const char *device,
-                              void *dev_id)
-{
-	panic("no_no_ide_request_irq called - shouldn't happen");
-}			
-
-static void no_ide_free_irq(unsigned int irq, void *dev_id)
-{
-	panic("no_ide_free_irq called - shouldn't happen");
-}
-
-static int no_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-	panic("no_ide_check_region called - shouldn't happen");
-}
-
-static void no_ide_request_region(ide_ioreg_t from, unsigned int extent,
-                                    const char *name)
-{
-	panic("no_ide_request_region called - shouldn't happen");
-}
-
-static void no_ide_release_region(ide_ioreg_t from, unsigned int extent)
-{
-	panic("no_ide_release_region called - shouldn't happen");
-}
-
 struct ide_ops no_ide_ops = {
 	&no_ide_default_irq,
 	&no_ide_default_io_base,
-	&no_ide_init_hwif_ports,
-	&no_ide_request_irq,
-	&no_ide_free_irq,
-	&no_ide_check_region,
-	&no_ide_request_region,
-	&no_ide_release_region
+	&no_ide_init_hwif_ports
 };

arch/mips64/lib/ide-std.c

@@ -62,42 +62,8 @@ static void std_ide_init_hwif_ports (hw_regs_t *hw, ide_ioreg_t data_port,
 	hw->io_ports[IDE_IRQ_OFFSET] = 0;
 }
 
-static int std_ide_request_irq(unsigned int irq,
-                                void (*handler)(int,void *, struct pt_regs *),
-                                unsigned long flags, const char *device,
-                                void *dev_id)
-{
-	return request_irq(irq, handler, flags, device, dev_id);
-}			
-
-static void std_ide_free_irq(unsigned int irq, void *dev_id)
-{
-	free_irq(irq, dev_id);
-}
-
-static int std_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-	return check_region(from, extent);
-}
-
-static void std_ide_request_region(ide_ioreg_t from, unsigned int extent,
-                                    const char *name)
-{
-	request_region(from, extent, name);
-}
-
-static void std_ide_release_region(ide_ioreg_t from, unsigned int extent)
-{
-	release_region(from, extent);
-}
-
 struct ide_ops std_ide_ops = {
 	&std_ide_default_irq,
 	&std_ide_default_io_base,
-	&std_ide_init_hwif_ports,
-	&std_ide_request_irq,
-	&std_ide_free_irq,
-	&std_ide_check_region,
-	&std_ide_request_region,
-	&std_ide_release_region
+	&std_ide_init_hwif_ports
 };

arch/ppc/kernel/ppc4xx_setup.c

@@ -256,29 +256,6 @@ ppc4xx_progress(char *s, unsigned short hex)
  * IDE stuff.
  * should be generic for every IDE PCI chipset
  */
-#if defined(CONFIG_BLK_DEV_IDE)
-static int
-ppc4xx_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-	return check_region(from, extent);
-}
-
-static void
-ppc4xx_ide_request_region(ide_ioreg_t from, unsigned int extent,
-			  const char *name)
-{
-	request_region(from, extent, name);
-	return;
-}
-
-static void
-ppc4xx_ide_release_region(ide_ioreg_t from, unsigned int extent)
-{
-	release_region(from, extent);
-	return;
-}
-#endif
-
 #if defined(CONFIG_BLK_DEV_IDEPCI)
 static void
 ppc4xx_ide_init_hwif_ports(hw_regs_t * hw, ide_ioreg_t data_port,
@@ -398,16 +375,13 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 **   m8xx_setup.c, prep_setup.c use
 **     defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
 */
-#if defined (CONFIG_IDE)
-	ppc_ide_md.ide_request_region = ppc4xx_ide_request_region;
-	ppc_ide_md.ide_release_region = ppc4xx_ide_release_region;
-	ppc_ide_md.ide_check_region = ppc4xx_ide_check_region;
-#if defined(CONFIG_BLK_DEV_IDEPCI)
+#ifdef CONFIG_IDE
+# if defined(CONFIG_BLK_DEV_IDEPCI)
 	ppc_ide_md.ide_init_hwif = ppc4xx_ide_init_hwif_ports;
-#elif defined (CONFIG_DMA_NONPCI)	/* ON board IDE */
+# elif defined (CONFIG_DMA_NONPCI)	/* ON board IDE */
 	ppc_ide_md.default_irq = nonpci_ide_default_irq;
 	ppc_ide_md.ide_init_hwif = nonpci_ide_init_hwif_ports;
-#endif
+# endif
 #endif
 	board_init();
 

arch/ppc/platforms/chrp_setup.c

@@ -463,33 +463,6 @@ chrp_init2(void)
 #endif /* CONFIG_VT && (CONFIG_ADB_KEYBOARD || CONFIG_INPUT) */
 }
 
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-/*
- * IDE stuff.
- */
-
-static int __chrp
-chrp_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-        return check_region(from, extent);
-}
-
-static void __chrp
-chrp_ide_request_region(ide_ioreg_t from,
-			unsigned int extent,
-			const char *name)
-{
-        request_region(from, extent, name);
-}
-
-static void __chrp
-chrp_ide_release_region(ide_ioreg_t from,
-			unsigned int extent)
-{
-        release_region(from, extent);
-}
-#endif
-
 /*
  * One of the main thing these mappings are needed for is so that
  * xmon can get to the serial port early on.  We probably should
@@ -597,12 +570,6 @@ chrp_init(unsigned long r3, unsigned long r4, unsigned long r5,
 	ppc_md.smp_ops = &chrp_smp_ops;
 #endif /* CONFIG_SMP */
 
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-        ppc_ide_md.ide_check_region = chrp_ide_check_region;
-        ppc_ide_md.ide_request_region = chrp_ide_request_region;
-        ppc_ide_md.ide_release_region = chrp_ide_release_region;
-#endif
-
 	/*
 	 * Print the banner, then scroll down so boot progress
 	 * can be printed.  -- Cort 

arch/ppc/platforms/k2_setup.c

@@ -55,24 +55,6 @@ static unsigned int cpu_6xx[16] = {
 
 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
 /* IDE functions */
-static int
-k2_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-        return check_region(from, extent);
-}
-
-static void
-k2_ide_request_region(ide_ioreg_t from, unsigned int extent,
-		const char *name)
-{
-        request_region(from, extent, name);
-}
-
-static void
-k2_ide_release_region(ide_ioreg_t from, unsigned int extent)
-{
-        release_region(from, extent);
-}
 
 static void __init
 k2_ide_init_hwif_ports (hw_regs_t *hw, ide_ioreg_t data_port,
@@ -373,9 +355,6 @@ void __init platform_init(unsigned long r3, unsigned long r4,
 	ppc_md.nvram_write_val = todc_direct_write_val;
 
 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-	ppc_ide_md.ide_check_region = k2_ide_check_region;
-	ppc_ide_md.ide_request_region = k2_ide_request_region;
-	ppc_ide_md.ide_release_region = k2_ide_release_region;
 	ppc_ide_md.ide_init_hwif = k2_ide_init_hwif_ports;
 #endif
 }

arch/ppc/platforms/lopec_setup.c

@@ -154,13 +154,6 @@ lopec_ide_default_irq(ide_ioreg_t base)
 		return 0;
 }
 
-static void
-lopec_ide_request_region(ide_ioreg_t from, unsigned int to,
-			 const char *name)
-{
-	request_region(from, to, name);
-}
-
 static ide_ioreg_t
 lopec_ide_default_io_base(int index)
 {
@@ -169,19 +162,6 @@ lopec_ide_default_io_base(int index)
 	return lopec_ide_regbase[index];
 }
 
-static int
-lopec_ide_check_region(ide_ioreg_t from, unsigned int to)
-{
-	return check_region(from, to);
-}
-
-static void
-lopec_ide_release_region(ide_ioreg_t from, unsigned int to)
-{
-	release_region(from, to);
-}
-
-
 static void __init
 lopec_ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data,
 			  ide_ioreg_t ctl, int *irq)
@@ -350,9 +330,6 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_ID_MODULE)
 	ppc_ide_md.default_irq = lopec_ide_default_irq;
 	ppc_ide_md.default_io_base = lopec_ide_default_io_base;
-	ppc_ide_md.ide_request_region = lopec_ide_request_region;
-	ppc_ide_md.ide_check_region = lopec_ide_check_region;
-	ppc_ide_md.ide_release_region = lopec_ide_release_region;
 	ppc_ide_md.ide_init_hwif = lopec_ide_init_hwif_ports;
 #endif
 }

arch/ppc/platforms/mcpn765_setup.c

@@ -322,29 +322,6 @@ mcpn765_ide_default_io_base(int index)
 	return mcpn765_ide_regbase[index];
 }
 
-static int
-mcpn765_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-	return check_region(from, extent);
-}
-
-static void
-mcpn765_ide_request_region(ide_ioreg_t from,
-			unsigned int extent,
-			const char *name)
-{
-        request_region(from, extent, name);
-	return;
-}
-
-static void
-mcpn765_ide_release_region(ide_ioreg_t from,
-			unsigned int extent)
-{
-        release_region(from, extent);
-	return;
-}
-
 static void __init
 mcpn765_ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port,
 			      ide_ioreg_t ctrl_port, int *irq)
@@ -492,9 +469,6 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
         ppc_ide_md.default_irq = mcpn765_ide_default_irq;
         ppc_ide_md.default_io_base = mcpn765_ide_default_io_base;
-        ppc_ide_md.ide_check_region = mcpn765_ide_check_region;
-        ppc_ide_md.ide_request_region = mcpn765_ide_request_region;
-        ppc_ide_md.ide_release_region = mcpn765_ide_release_region;
         ppc_ide_md.ide_init_hwif = mcpn765_ide_init_hwif_ports;
 #endif
 

arch/ppc/platforms/menf1_setup.c

@@ -199,27 +199,6 @@ menf1_map_io(void)
 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
 /* IDE functions */
 
-static int
-menf1_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-        return check_region(from, extent);
-}
-
-static void
-menf1_ide_request_region(ide_ioreg_t from,
-			unsigned int extent,
-			const char *name)
-{
-        request_region(from, extent, name);
-}
-
-static void
-menf1_ide_release_region(ide_ioreg_t from,
-			unsigned int extent)
-{
-        release_region(from, extent);
-}
-
 static void __init
 menf1_ide_init_hwif_ports (hw_regs_t *hw, ide_ioreg_t data_port,
 		ide_ioreg_t ctrl_port, int *irq)
@@ -305,9 +284,6 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
 	ppc_ide_md.default_io_base = menf1_ide_default_io_base;
 	ppc_ide_md.default_irq = menf1_ide_default_irq;
-	ppc_ide_md.ide_check_region = menf1_ide_check_region;
-	ppc_ide_md.ide_request_region = menf1_ide_request_region;
-	ppc_ide_md.ide_release_region = menf1_ide_release_region;
 	ppc_ide_md.ide_init_hwif = menf1_ide_init_hwif_ports;
 #endif
 }

arch/ppc/platforms/pmac_setup.c

@@ -601,45 +601,6 @@ pmac_halt(void)
    pmac_power_off();
 }
 
-
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-/*
- * IDE stuff.
- */
-static int __pmac
-pmac_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
-	if (pmac_ide_check_base(from) >= 0)
-		return 0;
-#endif
-	return check_region(from, extent);
-}
-
-static void __pmac
-pmac_ide_request_region(ide_ioreg_t from,
-			unsigned int extent,
-			const char *name)
-{
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
-	if (pmac_ide_check_base(from) >= 0)
-		return;
-#endif
-	request_region(from, extent, name);
-}
-
-static void __pmac
-pmac_ide_release_region(ide_ioreg_t from,
-			unsigned int extent)
-{
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
-	if (pmac_ide_check_base(from) >= 0)
-		return;
-#endif
-	release_region(from, extent);
-}
-#endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */
-
 /*
  * Read in a property describing some pieces of memory.
  */
@@ -796,12 +757,6 @@ pmac_init(unsigned long r3, unsigned long r4, unsigned long r5,
 
 	select_adb_keyboard();
 
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-        ppc_ide_md.ide_check_region	= pmac_ide_check_region;
-        ppc_ide_md.ide_request_region	= pmac_ide_request_region;
-        ppc_ide_md.ide_release_region	= pmac_ide_release_region;
-#endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */
-
 #ifdef CONFIG_BOOTX_TEXT
 	ppc_md.progress = pmac_progress;
 #endif /* CONFIG_BOOTX_TEXT */

arch/ppc/platforms/pplus_setup.c

@@ -263,27 +263,6 @@ pplus_ide_default_io_base(int index)
 	}
 }
 
-static int 
-pplus_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-	return check_region(from, extent);
-}
-
-static void 
-pplus_ide_request_region(ide_ioreg_t from,
-			unsigned int extent,
-			const char *name)
-{
-	request_region(from, extent, name);
-}
-
-static void 
-pplus_ide_release_region(ide_ioreg_t from,
-			unsigned int extent)
-{
-	release_region(from, extent);
-}
-
 static void __init
 pplus_ide_init_hwif_ports (hw_regs_t *hw, ide_ioreg_t data_port, ide_ioreg_t ctrl_port, int *irq)
 {
@@ -528,9 +507,6 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
 	ppc_ide_md.default_irq = pplus_ide_default_irq;
 	ppc_ide_md.default_io_base = pplus_ide_default_io_base;
-	ppc_ide_md.ide_check_region = pplus_ide_check_region;
-	ppc_ide_md.ide_request_region = pplus_ide_request_region;
-	ppc_ide_md.ide_release_region = pplus_ide_release_region;
 	ppc_ide_md.ide_init_hwif = pplus_ide_init_hwif_ports;
 #endif
 

arch/ppc/platforms/prep_setup.c

@@ -733,27 +733,6 @@ prep_ide_default_io_base(int index)
 			return 0;
 	}
 }
-
-static int __prep
-prep_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-	return check_region(from, extent);
-}
-
-static void __prep
-prep_ide_request_region(ide_ioreg_t from,
-			unsigned int extent,
-			const char *name)
-{
-	request_region(from, extent, name);
-}
-
-static void __prep
-prep_ide_release_region(ide_ioreg_t from,
-			unsigned int extent)
-{
-	release_region(from, extent);
-}
 #endif
 
 #ifdef CONFIG_SMP
@@ -916,9 +895,6 @@ prep_init(unsigned long r3, unsigned long r4, unsigned long r5,
 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
 	ppc_ide_md.default_irq = prep_ide_default_irq;
 	ppc_ide_md.default_io_base = prep_ide_default_io_base;
-	ppc_ide_md.ide_check_region = prep_ide_check_region;
-	ppc_ide_md.ide_request_region = prep_ide_request_region;
-	ppc_ide_md.ide_release_region = prep_ide_release_region;
 #endif
 
 #ifdef CONFIG_VT

arch/ppc/platforms/rpxclassic.h

@@ -85,8 +85,8 @@ extern bd_t m8xx_board_info;
 
 /* for pcmcia sandisk */
 #ifdef CONFIG_IDE
-#define MAX_HWIFS 1
-#define ide_request_irq(irq,hand,flg,dev,id)    request_8xxirq((irq),(hand),(flg),(dev),(id))
+# define MAX_HWIFS 1
+# define request_irq(irq,hand,flg,dev,id)    request_8xxirq((irq),(hand),(flg),(dev),(id))
 #endif
 #endif
 

arch/ppc/platforms/rpxlite.h

@@ -72,8 +72,8 @@ extern bd_t m8xx_board_info;
 #define _IO_BASE_SIZE 0x1000
 
 #ifdef CONFIG_IDE
-#define MAX_HWIFS 1
-#define ide_request_irq(irq,hand,flg,dev,id)    request_8xxirq((irq),(hand),(flg),(dev),(id))
+# define MAX_HWIFS 1
+# define request_irq(irq,hand,flg,dev,id)    request_8xxirq((irq),(hand),(flg),(dev),(id))
 #endif
 
 /* We don't use the 8259.

arch/ppc/platforms/sandpoint_setup.c

@@ -491,29 +491,6 @@ sandpoint_ide_default_io_base(int index)
 	return sandpoint_ide_regbase[index];
 }
 
-static int
-sandpoint_ide_check_region(ide_ioreg_t from, unsigned int extent)
-{
-	return check_region(from, extent);
-}
-
-static void
-sandpoint_ide_request_region(ide_ioreg_t from,
-			unsigned int extent,
-			const char *name)
-{
-        request_region(from, extent, name);
-	return;
-}
-
-static void
-sandpoint_ide_release_region(ide_ioreg_t from,
-			unsigned int extent)
-{
-        release_region(from, extent);
-	return;
-}
-
 static void __init
 sandpoint_ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port,
 			      ide_ioreg_t ctrl_port, int *irq)
@@ -684,9 +661,6 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
         ppc_ide_md.default_irq = sandpoint_ide_default_irq;
         ppc_ide_md.default_io_base = sandpoint_ide_default_io_base;
-        ppc_ide_md.ide_check_region = sandpoint_ide_check_region;
-        ppc_ide_md.ide_request_region = sandpoint_ide_request_region;
-        ppc_ide_md.ide_release_region = sandpoint_ide_release_region;
         ppc_ide_md.ide_init_hwif = sandpoint_ide_init_hwif_ports;
 #endif
 

drivers/ide/ide-dma.c

@@ -5,9 +5,7 @@
  *  May be copied or modified under the terms of the GNU General Public License
  *
  *  Special Thanks to Mark for his Six years of work.
- */
-
-/*
+*
  * This module provides support for the bus-master IDE DMA functions
  * of various PCI chipsets, including the Intel PIIX (i82371FB for
  * the 430 FX chipset), the PIIX3 (i82371SB for the 430 HX/VX and
@@ -209,71 +207,68 @@ ide_startstop_t ide_dma_intr (ide_drive_t *drive)
 			__ide_end_request(drive, 1, rq->nr_sectors);
 			return ide_stopped;
 		}
-		printk("%s: dma_intr: bad DMA status (dma_stat=%x)\n", 
+		printk("%s: dma_intr: bad DMA status (dma_stat=%x)\n",
 		       drive->name, dma_stat);
 	}
 	return ide_error(drive, "dma_intr", stat);
 }
 
-static int ide_build_sglist(struct ata_channel *hwif, struct request *rq)
-{
-	request_queue_t *q = &hwif->drives[DEVICE_NR(rq->rq_dev) & 1].queue;
-	struct scatterlist *sg = hwif->sg_table;
-	int nents;
-
-	nents = blk_rq_map_sg(q, rq, hwif->sg_table);
-
-	if (rq->q && nents > rq->nr_phys_segments)
-		printk("ide-dma: received %d phys segments, build %d\n", rq->nr_phys_segments, nents);
-
-	if (rq_data_dir(rq) == READ)
-		hwif->sg_dma_direction = PCI_DMA_FROMDEVICE;
-	else
-		hwif->sg_dma_direction = PCI_DMA_TODEVICE;
-
-	return pci_map_sg(hwif->pci_dev, sg, nents, hwif->sg_dma_direction);
-}
-
 /*
  * FIXME: taskfiles should be a map of pages, not a long virt address... /jens
  * FIXME: I agree with Jens --mdcki!
  */
-static int raw_build_sglist(struct ata_channel *ch, struct request *rq)
+static int build_sglist(struct ata_channel *ch, struct request *rq)
 {
 	struct scatterlist *sg = ch->sg_table;
 	int nents = 0;
-	struct ata_taskfile *args = rq->special;
+
+	if (rq->flags & REQ_DRIVE_ACB) {
+		struct ata_taskfile *args = rq->special;
 #if 1
-	unsigned char *virt_addr = rq->buffer;
-	int sector_count = rq->nr_sectors;
+		unsigned char *virt_addr = rq->buffer;
+		int sector_count = rq->nr_sectors;
 #else
-        nents = blk_rq_map_sg(rq->q, rq, ch->sg_table);
+		nents = blk_rq_map_sg(rq->q, rq, ch->sg_table);
 
-	if (nents > rq->nr_segments)
-		printk("ide-dma: received %d segments, build %d\n", rq->nr_segments, nents);
+		if (nents > rq->nr_segments)
+			printk("ide-dma: received %d segments, build %d\n", rq->nr_segments, nents);
 #endif
 
-	if (args->command_type == IDE_DRIVE_TASK_RAW_WRITE)
-		ch->sg_dma_direction = PCI_DMA_TODEVICE;
-	else
-		ch->sg_dma_direction = PCI_DMA_FROMDEVICE;
+		if (args->command_type == IDE_DRIVE_TASK_RAW_WRITE)
+			ch->sg_dma_direction = PCI_DMA_TODEVICE;
+		else
+			ch->sg_dma_direction = PCI_DMA_FROMDEVICE;
 
-	if (sector_count > 128) {
+		/*
+		 * FIXME: This depends upon a hard coded page size!
+		 */
+		if (sector_count > 128) {
+			memset(&sg[nents], 0, sizeof(*sg));
+
+			sg[nents].page = virt_to_page(virt_addr);
+			sg[nents].offset = (unsigned long) virt_addr & ~PAGE_MASK;
+			sg[nents].length = 128  * SECTOR_SIZE;
+			++nents;
+			virt_addr = virt_addr + (128 * SECTOR_SIZE);
+			sector_count -= 128;
+		}
 		memset(&sg[nents], 0, sizeof(*sg));
-
 		sg[nents].page = virt_to_page(virt_addr);
 		sg[nents].offset = (unsigned long) virt_addr & ~PAGE_MASK;
-		sg[nents].length = 128  * SECTOR_SIZE;
-		nents++;
-		virt_addr = virt_addr + (128 * SECTOR_SIZE);
-		sector_count -= 128;
-	}
-	memset(&sg[nents], 0, sizeof(*sg));
-	sg[nents].page = virt_to_page(virt_addr);
-	sg[nents].offset = (unsigned long) virt_addr & ~PAGE_MASK;
-	sg[nents].length =  sector_count  * SECTOR_SIZE;
-	nents++;
+		sg[nents].length =  sector_count  * SECTOR_SIZE;
+		++nents;
+	} else {
+		nents = blk_rq_map_sg(rq->q, rq, ch->sg_table);
 
+		if (rq->q && nents > rq->nr_phys_segments)
+			printk("ide-dma: received %d phys segments, build %d\n", rq->nr_phys_segments, nents);
+
+		if (rq_data_dir(rq) == READ)
+			ch->sg_dma_direction = PCI_DMA_FROMDEVICE;
+		else
+			ch->sg_dma_direction = PCI_DMA_TODEVICE;
+
+	}
 	return pci_map_sg(ch->pci_dev, sg, nents, ch->sg_dma_direction);
 }
 
@@ -295,11 +290,7 @@ int ide_build_dmatable (ide_drive_t *drive, ide_dma_action_t func)
 	int i;
 	struct scatterlist *sg;
 
-	if (HWGROUP(drive)->rq->flags & REQ_DRIVE_ACB) {
-		hwif->sg_nents = i = raw_build_sglist(hwif, HWGROUP(drive)->rq);
-	} else {
-		hwif->sg_nents = i = ide_build_sglist(hwif, HWGROUP(drive)->rq);
-	}
+	hwif->sg_nents = i = build_sglist(hwif, HWGROUP(drive)->rq);
 	if (!i)
 		return 0;
 
@@ -333,7 +324,7 @@ int ide_build_dmatable (ide_drive_t *drive, ide_dma_action_t func)
 			if (is_trm290_chipset)
 				xcount = ((xcount >> 2) - 1) << 16;
 			if (xcount == 0x0000) {
-		        /* 
+		        /*
 			 * Most chipsets correctly interpret a length of
 			 * 0x0000 as 64KB, but at least one (e.g. CS5530)
 			 * misinterprets it as zero (!). So here we break

drivers/ide/trm290.c

@@ -283,15 +283,6 @@ void __init ide_init_trm290(struct ata_channel *hwif)
 		old = inw(hwif->config_data) & ~1;
 		if (old != compat && inb(old+2) == 0xff) {
 			compat += (next_offset += 0x400);	/* leave lower 10 bits untouched */
-#if 1
-			if (ide_check_region(compat + 2, 1))
-				printk("Aieee %s: ide_check_region failure at 0x%04x\n", hwif->name, (compat + 2));
-			/*
-			 * The region check is not needed; however.........
-			 * Since this is the checked in ide-probe.c,
-			 * this is only an assignment.
-			 */
-#endif
 			hwif->io_ports[IDE_CONTROL_OFFSET] = compat + 2;
 			outw(compat|1, hwif->config_data);
 			printk("%s: control basereg workaround: old=0x%04x, new=0x%04x\n", hwif->name, old, inw(hwif->config_data) & ~1);

include/asm-alpha/ide.h

@@ -105,12 +105,6 @@ typedef union {
 	} b;
 } control_t;
 
-#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
-#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
-#define ide_check_region(from,extent)		check_region((from), (extent))
-#define ide_request_region(from,extent,name)	request_region((from), (extent), (name))
-#define ide_release_region(from,extent)		release_region((from), (extent))
-
 /*
  * The following are not needed for the non-m68k ports
  */

include/asm-arm/ide.h

@@ -44,12 +44,6 @@ typedef union {
 	} b;
 } control_t;
 
-#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
-#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
-#define ide_check_region(from,extent)		check_region((from), (extent))
-#define ide_request_region(from,extent,name)	request_region((from), (extent), (name))
-#define ide_release_region(from,extent)		release_region((from), (extent))
-
 /*
  * The following are not needed for the non-m68k ports
  */

include/asm-cris/ide.h

@@ -119,20 +119,6 @@ typedef union {
 #undef SUPPORT_SLOW_DATA_PORTS
 #define SUPPORT_SLOW_DATA_PORTS	0
 
-/* request and free a normal interrupt */
-
-#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
-#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
-
-/* ide-probe.c calls ide_request_region and stuff on the io_ports defined,
- * but since they are not actually memory-mapped in the ETRAX driver, we don't
- * do anything.
- */
-
-#define ide_check_region(from,extent)		(0)
-#define ide_request_region(from,extent,name)	do {} while(0)
-#define ide_release_region(from,extent)		do {} while(0)
-
 /*
  * The following are not needed for the non-m68k ports
  */

include/asm-i386/ide.h

@@ -109,12 +109,6 @@ typedef union {
 	} b;
 } control_t;
 
-#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
-#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
-#define ide_check_region(from,extent)		check_region((from), (extent))
-#define ide_request_region(from,extent,name)	request_region((from), (extent), (name))
-#define ide_release_region(from,extent)		release_region((from), (extent))
-
 /*
  * The following are not needed for the non-m68k ports
  */

include/asm-ia64/ide.h

@@ -115,12 +115,6 @@ typedef union {
 	} b;
 } control_t;
 
-#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
-#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
-#define ide_check_region(from,extent)		check_region((from), (extent))
-#define ide_request_region(from,extent,name)	request_region((from), (extent), (name))
-#define ide_release_region(from,extent)		release_region((from), (extent))
-
 /*
  * The following are not needed for the non-m68k ports
  */

include/asm-m68k/ide.h

@@ -103,64 +103,6 @@ typedef union {
 	} b;
 } control_t;
 
-static __inline__ int ide_request_irq(unsigned int irq, void (*handler)(int, void *, struct pt_regs *),
-			unsigned long flags, const char *device, void *dev_id)
-{
-#ifdef CONFIG_AMIGA
-	if (MACH_IS_AMIGA)
-		return request_irq(irq, handler, 0, device, dev_id);
-#endif /* CONFIG_AMIGA */
-#ifdef CONFIG_Q40
-	if (MACH_IS_Q40)
-	  	return request_irq(irq, handler, 0, device, dev_id);
-#endif /* CONFIG_Q40*/
-#ifdef CONFIG_MAC
-	if (MACH_IS_MAC)
-		return request_irq(irq, handler, 0, device, dev_id);
-#endif /* CONFIG_MAC */
-	return 0;
-}
-
-static __inline__ void ide_free_irq(unsigned int irq, void *dev_id)
-{
-#ifdef CONFIG_AMIGA
-	if (MACH_IS_AMIGA)
-		free_irq(irq, dev_id);
-#endif /* CONFIG_AMIGA */
-#ifdef CONFIG_Q40
-	if (MACH_IS_Q40)
-	  	free_irq(irq, dev_id);
-#endif /* CONFIG_Q40*/
-#ifdef CONFIG_MAC
-	if (MACH_IS_MAC)
-		free_irq(irq, dev_id);
-#endif /* CONFIG_MAC */
-}
-
-/*
- * We should really implement those some day.
- */
-static __inline__ int ide_check_region (ide_ioreg_t from, unsigned int extent)
-{
-	return 0;
-}
-
-static __inline__ void ide_request_region (ide_ioreg_t from, unsigned int extent, const char *name)
-{
-#ifdef CONFIG_Q40
-        if (MACH_IS_Q40)
-            request_region((q40ide_ioreg_t)from,extent,name);
-#endif
-}
-
-static __inline__ void ide_release_region (ide_ioreg_t from, unsigned int extent)
-{
-#ifdef CONFIG_Q40
-        if (MACH_IS_Q40)
-            release_region((q40ide_ioreg_t)from,extent);
-#endif
-}
-
 #undef SUPPORT_SLOW_DATA_PORTS
 #define SUPPORT_SLOW_DATA_PORTS 0
 

include/asm-mips/ide.h

@@ -31,14 +31,6 @@ struct ide_ops {
 	ide_ioreg_t (*ide_default_io_base)(int index);
 	void (*ide_init_hwif_ports)(hw_regs_t *hw, ide_ioreg_t data_port,
 	                            ide_ioreg_t ctrl_port, int *irq);
-	int (*ide_request_irq)(unsigned int irq, void (*handler)(int, void *,
-	                       struct pt_regs *), unsigned long flags,
-	                       const char *device, void *dev_id);
-	void (*ide_free_irq)(unsigned int irq, void *dev_id);
-	int (*ide_check_region) (ide_ioreg_t from, unsigned int extent);
-	void (*ide_request_region)(ide_ioreg_t from, unsigned int extent,
-	                        const char *name);
-	void (*ide_release_region)(ide_ioreg_t from, unsigned int extent);
 };
 
 extern struct ide_ops *ide_ops;
@@ -112,34 +104,6 @@ typedef union {
 	} b;
 } control_t;
 
-static __inline__ int ide_request_irq(unsigned int irq, void (*handler)(int,void *, struct pt_regs *),
-			unsigned long flags, const char *device, void *dev_id)
-{
-	return ide_ops->ide_request_irq(irq, handler, flags, device, dev_id);
-}
-
-static __inline__ void ide_free_irq(unsigned int irq, void *dev_id)
-{
-	ide_ops->ide_free_irq(irq, dev_id);
-}
-
-static __inline__ int ide_check_region (ide_ioreg_t from, unsigned int extent)
-{
-	return ide_ops->ide_check_region(from, extent);
-}
-
-static __inline__ void ide_request_region(ide_ioreg_t from,
-                                          unsigned int extent, const char *name)
-{
-	ide_ops->ide_request_region(from, extent, name);
-}
-
-static __inline__ void ide_release_region(ide_ioreg_t from,
-                                          unsigned int extent)
-{
-	ide_ops->ide_release_region(from, extent);
-}
-
 #undef  SUPPORT_VLB_SYNC
 #define SUPPORT_VLB_SYNC 0
 

include/asm-mips64/ide.h

@@ -34,14 +34,6 @@ struct ide_ops {
 	ide_ioreg_t (*ide_default_io_base)(int index);
 	void (*ide_init_hwif_ports)(hw_regs_t *hw, ide_ioreg_t data_port,
 	                            ide_ioreg_t ctrl_port, int *irq);
-	int (*ide_request_irq)(unsigned int irq, void (*handler)(int, void *,
-	                       struct pt_regs *), unsigned long flags,
-	                       const char *device, void *dev_id);
-	void (*ide_free_irq)(unsigned int irq, void *dev_id);
-	int (*ide_check_region) (ide_ioreg_t from, unsigned int extent);
-	void (*ide_request_region)(ide_ioreg_t from, unsigned int extent,
-	                        const char *name);
-	void (*ide_release_region)(ide_ioreg_t from, unsigned int extent);
 };
 
 extern struct ide_ops *ide_ops;
@@ -99,35 +91,6 @@ typedef union {
 	} b;
 } control_t;
 
-static __inline__ int ide_request_irq(unsigned int irq, void (*handler)(int,void *, struct pt_regs *),
-			unsigned long flags, const char *device, void *dev_id)
-{
-	return ide_ops->ide_request_irq(irq, handler, flags, device, dev_id);
-}
-
-static __inline__ void ide_free_irq(unsigned int irq, void *dev_id)
-{
-	ide_ops->ide_free_irq(irq, dev_id);
-}
-
-static __inline__ int ide_check_region (ide_ioreg_t from, unsigned int extent)
-{
-	return ide_ops->ide_check_region(from, extent);
-}
-
-static __inline__ void ide_request_region(ide_ioreg_t from,
-                                          unsigned int extent, const char *name)
-{
-	ide_ops->ide_request_region(from, extent, name);
-}
-
-static __inline__ void ide_release_region(ide_ioreg_t from,
-                                          unsigned int extent)
-{
-	ide_ops->ide_release_region(from, extent);
-}
-
-
 #if defined(CONFIG_SWAP_IO_SPACE) && defined(__MIPSEB__)
 
 #ifdef insl

include/asm-parisc/ide.h

@@ -104,12 +104,6 @@ typedef union {
 	} b;
 } control_t;
 
-#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
-#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
-#define ide_check_region(from,extent)		check_region((from), (extent))
-#define ide_request_region(from,extent,name)	request_region((from), (extent), (name))
-#define ide_release_region(from,extent)		release_region((from), (extent))
-
 /*
  * The following are not needed for the non-m68k ports
  */

include/asm-ppc/ide.h

@@ -35,12 +35,6 @@ extern void ppc_generic_ide_fix_driveid(struct hd_driveid *id);
 struct ide_machdep_calls {
         int         (*default_irq)(ide_ioreg_t base);
         ide_ioreg_t (*default_io_base)(int index);
-        int         (*ide_check_region)(ide_ioreg_t from, unsigned int extent);
-        void        (*ide_request_region)(ide_ioreg_t from,
-                                      unsigned int extent,
-                                      const char *name);
-        void        (*ide_release_region)(ide_ioreg_t from,
-                                      unsigned int extent);
         void        (*ide_init_hwif)(hw_regs_t *hw,
                                      ide_ioreg_t data_port,
                                      ide_ioreg_t ctrl_port,
@@ -118,25 +112,6 @@ static __inline__ void ide_init_default_hwifs(void)
 #endif /* CONFIG_BLK_DEV_IDEPCI */
 }
 
-static __inline__ int ide_check_region (ide_ioreg_t from, unsigned int extent)
-{
-	if (ppc_ide_md.ide_check_region)
-		return ppc_ide_md.ide_check_region(from, extent);
-	return 0;
-}
-
-static __inline__ void ide_request_region (ide_ioreg_t from, unsigned int extent, const char *name)
-{
-	if (ppc_ide_md.ide_request_region)
-		ppc_ide_md.ide_request_region(from, extent, name);
-}
-
-static __inline__ void ide_release_region (ide_ioreg_t from, unsigned int extent)
-{
-	if (ppc_ide_md.ide_release_region)
-		ppc_ide_md.ide_release_region(from, extent);
-}
-
 typedef union {
 	unsigned all			: 8;	/* all of the bits together */
 	struct {
@@ -160,14 +135,6 @@ typedef union {
 	} b;
 } control_t;
 
-#if !defined(ide_request_irq)
-#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
-#endif
-
-#if !defined(ide_free_irq)
-#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
-#endif
-
 /*
  * The following are not needed for the non-m68k ports
  * unless direct IDE on 8xx

include/asm-ppc64/ide.h

@@ -77,12 +77,6 @@ typedef union {
 	} b;
 } control_t;
 
-#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
-#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
-#define ide_check_region(from,extent)		check_region((from), (extent))
-#define ide_request_region(from,extent,name)	request_region((from), (extent), (name))
-#define ide_release_region(from,extent)		release_region((from), (extent))
-
 /*
  * The following are not needed for the non-m68k ports
  */

include/asm-s390/ide.h

@@ -40,12 +40,6 @@ typedef union {
 	} b;
 } control_t;
 
-#define ide_request_irq(irq,hand,flg,dev,id)	do {} while (0)
-#define ide_free_irq(irq,dev_id)		do {} while (0)
-#define ide_check_region(from,extent)		do {} while (0)
-#define ide_request_region(from,extent,name)	do {} while (0)
-#define ide_release_region(from,extent)		do {} while (0)
-
 /*
  * The following are not needed for the non-m68k ports
  */

include/asm-s390x/ide.h

@@ -40,12 +40,6 @@ typedef union {
 	} b;
 } control_t;
 
-#define ide_request_irq(irq,hand,flg,dev,id)	do {} while (0)
-#define ide_free_irq(irq,dev_id)		do {} while (0)
-#define ide_check_region(from,extent)		do {} while (0)
-#define ide_request_region(from,extent,name)	do {} while (0)
-#define ide_release_region(from,extent)		do {} while (0)
-
 /*
  * The following are not needed for the non-m68k ports
  */

include/asm-sh/ide.h

@@ -130,12 +130,6 @@ typedef union {
 	} b;
 } control_t;
 
-#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
-#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
-#define ide_check_region(from,extent)		check_region((from), (extent))
-#define ide_request_region(from,extent,name)	request_region((from), (extent), (name))
-#define ide_release_region(from,extent)		release_region((from), (extent))
-
 /*
  * The following are not needed for the non-m68k ports
  */

include/asm-sparc/ide.h

@@ -96,33 +96,6 @@ typedef union {
 	} b;
 } control_t;
 
-static __inline__ int ide_request_irq(unsigned int irq,
-				      void (*handler)(int, void *, struct pt_regs *),
-				      unsigned long flags, const char *name, void *devid)
-{
-	return request_irq(irq, handler, SA_SHIRQ, name, devid);
-}
-
-static __inline__ void ide_free_irq(unsigned int irq, void *dev_id)
-{
-	free_irq(irq, dev_id);
-}
-
-static __inline__ int ide_check_region(ide_ioreg_t base, unsigned int size)
-{
-	/* We leave these empty because pcic.c calls sparc_alloc_io() */
-	return 0;
-}
-
-static __inline__ void ide_request_region(ide_ioreg_t base, unsigned int size,
-					  const char *name)
-{
-}
-
-static __inline__ void ide_release_region(ide_ioreg_t base, unsigned int size)
-{
-}
-
 #undef  SUPPORT_SLOW_DATA_PORTS
 #define SUPPORT_SLOW_DATA_PORTS 0
 

include/asm-sparc64/ide.h

@@ -92,34 +92,6 @@ typedef union {
 	} b;
 } control_t;
 
-static __inline__ int ide_request_irq(unsigned int irq,
-				      void (*handler)(int, void *, struct pt_regs *),
-				      unsigned long flags, const char *name, void *devid)
-{
-	return request_irq(irq, handler, SA_SHIRQ, name, devid);
-}
-
-static __inline__ void ide_free_irq(unsigned int irq, void *dev_id)
-{
-	free_irq(irq, dev_id);
-}
-
-static __inline__ int ide_check_region(ide_ioreg_t base, unsigned int size)
-{
-	return check_region(base, size);
-}
-
-static __inline__ void ide_request_region(ide_ioreg_t base, unsigned int size,
-					  const char *name)
-{
-	request_region(base, size, name);
-}
-
-static __inline__ void ide_release_region(ide_ioreg_t base, unsigned int size)
-{
-	release_region(base, size);
-}
-
 #undef  SUPPORT_SLOW_DATA_PORTS
 #define SUPPORT_SLOW_DATA_PORTS 0
 

include/asm-x86_64/ide.h

@@ -109,12 +109,6 @@ typedef union {
 	} b;
 } control_t;
 
-#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
-#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
-#define ide_check_region(from,extent)		check_region((from), (extent))
-#define ide_request_region(from,extent,name)	request_region((from), (extent), (name))
-#define ide_release_region(from,extent)		release_region((from), (extent))
-
 /*
  * The following are not needed for the non-m68k ports
  */

include/linux/ide.h

@@ -73,7 +73,6 @@ typedef unsigned char	byte;	/* used everywhere */
  */
 #define DMA_PIO_RETRY	1	/* retrying in PIO */
 
-#define HWIF(drive)		((drive)->channel)
 #define HWGROUP(drive)		(drive->channel->hwgroup)
 
 /*
@@ -254,7 +253,7 @@ void ide_setup_ports(hw_regs_t *hw,
 #endif
 
 /*
- * Now for the data we need to maintain per-drive:  ide_drive_t
+ * Device types - the nomenclature is analogous to SCSI code.
  */
 
 #define ATA_DISK        0x20
@@ -266,7 +265,10 @@ void ide_setup_ports(hw_regs_t *hw,
 #define ATA_NO_LUN      0x7f
 
 struct ide_settings_s;
-/* structure describing an ATA/ATAPI device */
+
+/*
+ * ATA/ATAPI device structure :
+ */
 typedef
 struct ata_device {
 	struct ata_channel *	channel;
@@ -401,7 +403,6 @@ struct ata_channel {
 	struct device	dev;		/* device handle */
 	int		unit;		/* channel number */
 
-	struct ata_channel *next;	/* for linked-list in ide_hwgroup_t */
 	struct hwgroup_s *hwgroup;	/* actually (ide_hwgroup_t *) */
 
 	ide_ioreg_t	io_ports[IDE_NR_PORTS];	/* task file registers */
@@ -516,17 +517,14 @@ typedef int (ide_expiry_t)(ide_drive_t *);
 #define IDE_DMA		2	/* DMA in progress */
 
 typedef struct hwgroup_s {
-	ide_handler_t		*handler;/* irq handler, if active */
-	unsigned long		flags;	/* BUSY, SLEEPING */
-	ide_drive_t		*drive;	/* current drive */
-	struct ata_channel	*hwif;	/* ptr to current hwif in linked-list */
-
-	struct request		*rq;	/* current request */
-
-	struct timer_list	timer;	/* failsafe timer */
-	struct request		wrq;	/* local copy of current write rq */
-	unsigned long		poll_timeout;	/* timeout value during long polls */
-	ide_expiry_t		*expiry;	/* queried upon timeouts */
+	ide_handler_t *handler;		/* irq handler, if active */
+	unsigned long flags;		/* BUSY, SLEEPING */
+	struct ata_device *drive;	/* current drive */
+	struct request *rq;		/* current request */
+	struct timer_list timer;	/* failsafe timer */
+	struct request wrq;		/* local copy of current write rq */
+	unsigned long poll_timeout;	/* timeout value during long polls */
+	ide_expiry_t *expiry;		/* queried upon timeouts */
 } ide_hwgroup_t;
 
 /* structure attached to the request for IDE_TASK_CMDS */
@@ -827,7 +825,7 @@ extern int drive_is_flashcard(ide_drive_t *drive);
 
 int ide_spin_wait_hwgroup (ide_drive_t *drive);
 void ide_timer_expiry (unsigned long data);
-void ide_intr (int irq, void *dev_id, struct pt_regs *regs);
+extern void ata_irq_request(int irq, void *data, struct pt_regs *regs);
 void do_ide_request (request_queue_t * q);
 void ide_init_subdrivers (void);