Merge bk://kernel.bkbits.net/jgarzik/net-drivers-2.5

into home.transmeta.com:/home/torvalds/v2.5/linux

arch/arm/Kconfig

@@ -546,9 +546,9 @@ config CPU_FREQ_SA1110
 if (CPU_FREQ_SA1100 || CPU_FREQ_SA1110)
 
 config CPU_FREQ_GOV_USERSPACE
- 	bool
- 	depends on CPU_FREQ
- 	default y
+	tristate
+	depends on CPU_FREQ
+	default y
 
 config CPU_FREQ_24_API
 	bool
@@ -1027,9 +1027,6 @@ source "drivers/scsi/Kconfig"
 
 endmenu
 
-#if [ "$CONFIG_ARCH_CLPS711X" = "y" ]; then
-#   source drivers/ssi/Config.in
-#fi
 source "drivers/ieee1394/Kconfig"
 
 source "drivers/message/i2o/Kconfig"

arch/arm/boot/compressed/Makefile

@@ -19,10 +19,6 @@ OBJS		+= ll_char_wr.o font.o
 CFLAGS_misc.o	:= -DPARAMS_PHYS=$(PARAMS_PHYS)
 endif
 
-ifeq ($(CONFIG_ARCH_NETWINDER),y)
-OBJS		+= head-netwinder.o
-endif
-
 ifeq ($(CONFIG_ARCH_SHARK),y)
 OBJS		+= head-shark.o ofw-shark.o
 endif

arch/arm/kernel/bios32.c

@@ -6,6 +6,7 @@
  *  Bits taken from various places.
  */
 #include <linux/config.h>
+#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
@@ -61,7 +62,7 @@ void pcibios_report_status(u_int status_mask, int warn)
  * Bug 3 is responsible for the sound DMA grinding to a halt.  We now
  * live with bug 2.
  */
-static void __init pci_fixup_83c553(struct pci_dev *dev)
+static void __devinit pci_fixup_83c553(struct pci_dev *dev)
 {
 	/*
 	 * Set memory region to start at address 0, and enable IO
@@ -112,7 +113,7 @@ static void __init pci_fixup_83c553(struct pci_dev *dev)
 	outb(0x08, 0x4d1);
 }
 
-static void __init pci_fixup_unassign(struct pci_dev *dev)
+static void __devinit pci_fixup_unassign(struct pci_dev *dev)
 {
 	dev->resource[0].end -= dev->resource[0].start;
 	dev->resource[0].start = 0;
@@ -123,7 +124,7 @@ static void __init pci_fixup_unassign(struct pci_dev *dev)
  * if it is the host bridge by marking it as such.  These resources are of
  * no consequence to the PCI layer (they are handled elsewhere).
  */
-static void __init pci_fixup_dec21285(struct pci_dev *dev)
+static void __devinit pci_fixup_dec21285(struct pci_dev *dev)
 {
 	int i;
 
@@ -141,7 +142,7 @@ static void __init pci_fixup_dec21285(struct pci_dev *dev)
 /*
  * PCI IDE controllers use non-standard I/O port decoding, respect it.
  */
-static void __init pci_fixup_ide_bases(struct pci_dev *dev)
+static void __devinit pci_fixup_ide_bases(struct pci_dev *dev)
 {
 	struct resource *r;
 	int i;
@@ -161,7 +162,7 @@ static void __init pci_fixup_ide_bases(struct pci_dev *dev)
 /*
  * Put the DEC21142 to sleep
  */
-static void __init pci_fixup_dec21142(struct pci_dev *dev)
+static void __devinit pci_fixup_dec21142(struct pci_dev *dev)
 {
 	pci_write_config_dword(dev, 0x40, 0x80000000);
 }
@@ -182,7 +183,7 @@ static void __init pci_fixup_dec21142(struct pci_dev *dev)
  * functional.  However, The CY82C693U _does not work_ in bus
  * master mode without locking the PCI bus solid.
  */
-static void __init pci_fixup_cy82c693(struct pci_dev *dev)
+static void __devinit pci_fixup_cy82c693(struct pci_dev *dev)
 {
 	if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
 		u32 base0, base1;
@@ -511,6 +512,8 @@ static void __init pcibios_init_hw(struct hw_pci *hw)
 				panic("PCI: unable to scan bus!");
 
 			busnr = sys->bus->subordinate + 1;
+
+			list_add(&sys->node, &hw->buses);
 		} else {
 			kfree(sys);
 			if (ret < 0)
@@ -521,17 +524,36 @@ static void __init pcibios_init_hw(struct hw_pci *hw)
 
 void __init pci_common_init(struct hw_pci *hw)
 {
+	struct pci_sys_data *sys;
+
+	INIT_LIST_HEAD(&hw->buses);
+
 	if (hw->preinit)
 		hw->preinit();
 	pcibios_init_hw(hw);
 	if (hw->postinit)
 		hw->postinit();
 
-	/*
-	 * Assign any unassigned resources.
-	 */
-	pci_assign_unassigned_resources();
 	pci_fixup_irqs(pcibios_swizzle, pcibios_map_irq);
+
+	list_for_each_entry(sys, &hw->buses, node) {
+		struct pci_bus *bus = sys->bus;
+
+		/*
+		 * Size the bridge windows.
+		 */
+		pci_bus_size_bridges(bus);
+
+		/*
+		 * Assign resources.
+		 */
+		pci_bus_assign_resources(bus);
+
+		/*
+		 * Tell drivers about devices found.
+		 */
+		pci_bus_add_devices(bus);
+	}
 }
 
 char * __init pcibios_setup(char *str)

arch/arm/kernel/ecard.c

@@ -562,7 +562,8 @@ ecard_dump_irq_state(ecard_t *ec)
 
 static void ecard_check_lockup(struct irqdesc *desc)
 {
-	static int last, lockup;
+	static unsigned long last;
+	static int lockup;
 	ecard_t *ec;
 
 	/*

arch/arm/kernel/time.c

@@ -89,7 +89,7 @@ static inline void do_profile(struct pt_regs *regs)
 	}
 }
 
-static long next_rtc_update;
+static unsigned long next_rtc_update;
 
 /*
  * If we have an externally synchronized linux clock, then update

arch/arm/kernel/traps.c

@@ -326,7 +326,7 @@ asmlinkage void bad_mode(struct pt_regs *regs, int reason, int proc_mode)
 	dump_mem(KERN_CRIT "Vectors: ", vectors, vectors + 0x40);
 	dump_mem(KERN_CRIT "Stubs: ", vectors + 0x200, vectors + 0x4b8);
 
-	die("Oops", regs, 0);
+	die("Oops - bad mode", regs, 0);
 	local_irq_disable();
 	panic("bad mode");
 }
@@ -354,7 +354,7 @@ static int bad_syscall(int n, struct pt_regs *regs)
 			 (thumb_mode(regs) ? 2 : 4);
 
 	force_sig_info(SIGILL, &info, current);
-	die_if_kernel("Oops", regs, n);
+	die_if_kernel("Oops - bad syscall", regs, n);
 	return regs->ARM_r0;
 }
 
@@ -472,7 +472,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
 			 (thumb_mode(regs) ? 2 : 4);
 
 	force_sig_info(SIGILL, &info, current);
-	die_if_kernel("Oops", regs, no);
+	die_if_kernel("Oops - bad syscall(2)", regs, no);
 	return 0;
 }
 

arch/arm/mach-clps7500/core.c

@@ -8,19 +8,22 @@
  */
 #include <linux/kernel.h>
 #include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
 #include <linux/init.h>
 
+#include <asm/mach/arch.h>
 #include <asm/mach/map.h>
+#include <asm/mach/irq.h>
 
 #include <asm/hardware.h>
 #include <asm/hardware/iomd.h>
 #include <asm/io.h>
-#include <asm/page.h>
-#include <asm/proc/domain.h>
-#include <asm/setup.h>
+#include <asm/irq.h>
 #include <asm/mach-types.h>
 
-static void cl7500_mask_irq_ack_a(unsigned int irq)
+static void cl7500_ack_irq_a(unsigned int irq)
 {
 	unsigned int val, mask;
 
@@ -48,6 +51,12 @@ static void cl7500_unmask_irq_a(unsigned int irq)
 	iomd_writeb(val | mask, IOMD_IRQMASKA);
 }
 
+static struct irqchip clps7500_a_chip = {
+	.ack	= cl7500_ack_irq_a,
+	.mask	= cl7500_mask_irq_a,
+	.unmask	= cl7500_unmask_irq_a,
+};
+
 static void cl7500_mask_irq_b(unsigned int irq)
 {
 	unsigned int val, mask;
@@ -66,6 +75,12 @@ static void cl7500_unmask_irq_b(unsigned int irq)
 	iomd_writeb(val | mask, IOMD_IRQMASKB);
 }
 
+static struct irqchip clps7500_b_chip = {
+	.ack	= cl7500_mask_irq_b,
+	.mask	= cl7500_mask_irq_b,
+	.unmask	= cl7500_unmask_irq_b,
+};
+
 static void cl7500_mask_irq_c(unsigned int irq)
 {
 	unsigned int val, mask;
@@ -84,6 +99,11 @@ static void cl7500_unmask_irq_c(unsigned int irq)
 	iomd_writeb(val | mask, IOMD_IRQMASKC);
 }
 
+static struct irqchip clps7500_c_chip = {
+	.ack	= cl7500_mask_irq_c,
+	.mask	= cl7500_mask_irq_c,
+	.unmask	= cl7500_unmask_irq_c,
+};
 
 static void cl7500_mask_irq_d(unsigned int irq)
 {
@@ -103,6 +123,12 @@ static void cl7500_unmask_irq_d(unsigned int irq)
 	iomd_writeb(val | mask, IOMD_IRQMASKD);
 }
 
+static struct irqchip clps7500_d_chip = {
+	.ack	= cl7500_mask_irq_d,
+	.mask	= cl7500_mask_irq_d,
+	.unmask	= cl7500_unmask_irq_d,
+};
+
 static void cl7500_mask_irq_dma(unsigned int irq)
 {
 	unsigned int val, mask;
@@ -121,6 +147,12 @@ static void cl7500_unmask_irq_dma(unsigned int irq)
 	iomd_writeb(val | mask, IOMD_DMAMASK);
 }
 
+static struct irqchip clps7500_dma_chip = {
+	.ack	= cl7500_mask_irq_dma,
+	.mask	= cl7500_mask_irq_dma,
+	.unmask	= cl7500_unmask_irq_dma,
+};
+
 static void cl7500_mask_irq_fiq(unsigned int irq)
 {
 	unsigned int val, mask;
@@ -139,6 +171,22 @@ static void cl7500_unmask_irq_fiq(unsigned int irq)
 	iomd_writeb(val | mask, IOMD_FIQMASK);
 }
 
+static struct irqchip clps7500_fiq_chip = {
+	.ack	= cl7500_mask_irq_fiq,
+	.mask	= cl7500_mask_irq_fiq,
+	.unmask	= cl7500_unmask_irq_fiq,
+};
+
+static void cl7500_no_action(unsigned int irq)
+{
+}
+
+static struct irqchip clps7500_no_chip = {
+	.ack	= cl7500_no_action,
+	.mask	= cl7500_no_action,
+	.unmask	= cl7500_no_action,
+};
+
 static void no_action(int cpl, void *dev_id, struct pt_regs *regs)
 {
 }
@@ -147,7 +195,7 @@ static struct irqaction irq_isa = { no_action, 0, 0, "isa", NULL, NULL };
 
 static void __init clps7500_init_irq(void)
 {
-	int irq;
+	unsigned int irq, flags;
 
 	iomd_writeb(0, IOMD_IRQMASKA);
 	iomd_writeb(0, IOMD_IRQMASKB);
@@ -155,64 +203,58 @@ static void __init clps7500_init_irq(void)
 	iomd_writeb(0, IOMD_DMAMASK);
 
 	for (irq = 0; irq < NR_IRQS; irq++) {
+		flags = IRQF_VALID;
+
+		if (irq <= 6 || (irq >= 9 && irq <= 15) ||
+		    (irq >= 48 && irq <= 55))
+			flags |= IRQF_PROBE;
+
 		switch (irq) {
-		case 0 ... 6:
-			irq_desc[irq].probe_ok = 1;
-		case 7:
-			irq_desc[irq].valid    = 1;
-			irq_desc[irq].mask_ack = cl7500_mask_irq_ack_a;
-			irq_desc[irq].mask     = cl7500_mask_irq_a;
-			irq_desc[irq].unmask   = cl7500_unmask_irq_a;
+		case 0 ... 7:
+			set_irq_chip(irq, &clps7500_a_chip);
+			set_irq_handler(irq, do_level_IRQ);
+			set_irq_flags(irq, flags);
 			break;
 
-		case 9 ... 15:
-			irq_desc[irq].probe_ok = 1;
-		case 8:
-			irq_desc[irq].valid    = 1;
-			irq_desc[irq].mask_ack = cl7500_mask_irq_b;
-			irq_desc[irq].mask     = cl7500_mask_irq_b;
-			irq_desc[irq].unmask   = cl7500_unmask_irq_b;
+		case 8 ... 15:
+			set_irq_chip(irq, &clps7500_b_chip);
+			set_irq_handler(irq, do_level_IRQ);
+			set_irq_flags(irq, flags);
 			break;
 
 		case 16 ... 22:
-			irq_desc[irq].valid    = 1;
-			irq_desc[irq].mask_ack = cl7500_mask_irq_dma;
-			irq_desc[irq].mask     = cl7500_mask_irq_dma;
-			irq_desc[irq].unmask   = cl7500_unmask_irq_dma;
+			set_irq_chip(irq, &clps7500_dma_chip);
+			set_irq_handler(irq, do_level_IRQ);
+			set_irq_flags(irq, flags);
 			break;
 
 		case 24 ... 31:
-			irq_desc[irq].valid    = 1;
-			irq_desc[irq].mask_ack = cl7500_mask_irq_c;
-			irq_desc[irq].mask     = cl7500_mask_irq_c;
-			irq_desc[irq].unmask   = cl7500_unmask_irq_c;
+			set_irq_chip(irq, &clps7500_c_chip);
+			set_irq_handler(irq, do_level_IRQ);
+			set_irq_flags(irq, flags);
 			break;
 
 		case 40 ... 47:
-			irq_desc[irq].valid    = 1;
-			irq_desc[irq].mask_ack = cl7500_mask_irq_d;
-			irq_desc[irq].mask     = cl7500_mask_irq_d;
-			irq_desc[irq].unmask   = cl7500_unmask_irq_d;
+			set_irq_chip(irq, &clps7500_d_chip);
+			set_irq_handler(irq, do_level_IRQ);
+			set_irq_flags(irq, flags);
 			break;
 
 		case 48 ... 55:
-			irq_desc[irq].valid      = 1;
-			irq_desc[irq].probe_ok   = 1;
-			irq_desc[irq].mask_ack   = no_action;
-			irq_desc[irq].mask       = no_action;
-			irq_desc[irq].unmask     = no_action;
+			set_irq_chip(irq, &clps7500_no_chip);
+			set_irq_handler(irq, do_level_IRQ);
+			set_irq_flags(irq, flags);
 			break;
 
 		case 64 ... 72:
-			irq_desc[irq].valid    = 1;
-			irq_desc[irq].mask_ack = cl7500_mask_irq_fiq;
-			irq_desc[irq].mask     = cl7500_mask_irq_fiq;
-			irq_desc[irq].unmask   = cl7500_unmask_irq_fiq;
+			set_irq_chip(irq, &clps7500_fiq_chip);
+			set_irq_handler(irq, do_level_IRQ);
+			set_irq_flags(irq, flags);
 			break;
 		}
 	}
 
-	setup_arm_irq(IRQ_ISA, &irq_isa);
+	setup_irq(IRQ_ISA, &irq_isa);
 }
 
 static struct map_desc cl7500_io_desc[] __initdata = {

arch/arm/mach-sa1100/ssp.c

@@ -39,7 +39,8 @@ static void ssp_interrupt(int irq, void *dev_id, struct pt_regs *regs)
  * @data: 16-bit, MSB justified data to write.
  *
  * Wait for a free entry in the SSP transmit FIFO, and write a data
- * word to the SSP port.
+ * word to the SSP port.  Wait for the SSP port to start sending
+ * the data.
  *
  * The caller is expected to perform the necessary locking.
  *
@@ -54,6 +55,9 @@ int ssp_write_word(u16 data)
 
 	Ser4SSDR = data;
 
+	while (!(Ser4SSSR & SSSR_BSY))
+		cpu_relax();
+
 	return 0;
 }
 

arch/i386/pci/common.c

@@ -120,13 +120,28 @@ struct pci_bus * __devinit pcibios_scan_root(int busnum)
 	return pci_scan_bus(busnum, pci_root_ops, NULL);
 }
 
+extern u8 pci_cache_line_size;
+
 static int __init pcibios_init(void)
 {
+	struct cpuinfo_x86 *c = &boot_cpu_data;
+
 	if (!pci_root_ops) {
 		printk("PCI: System does not support PCI\n");
 		return 0;
 	}
 
+	/*
+	 * Assume PCI cacheline size of 32 bytes for all x86s except K7/K8
+	 * and P4. It's also good for 386/486s (which actually have 16)
+	 * as quite a few PCI devices do not support smaller values.
+	 */
+	pci_cache_line_size = 32 >> 2;
+	if (c->x86 >= 6 && c->x86_vendor == X86_VENDOR_AMD)
+		pci_cache_line_size = 64 >> 2;	/* K7 & K8 */
+	else if (c->x86 > 6)
+		pci_cache_line_size = 128 >> 2;	/* P4 */
+
 	pcibios_resource_survey();
 
 #ifdef CONFIG_PCI_BIOS

drivers/acorn/scsi/acornscsi.c

@@ -2521,19 +2521,19 @@ void acornscsi_intr(int irq, void *dev_id, struct pt_regs *regs)
  */
 int acornscsi_queuecmd(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
 {
-    AS_Host *host = (AS_Host *)SCpnt->host->hostdata;
+    AS_Host *host = (AS_Host *)SCpnt->device->host->hostdata;
 
     if (!done) {
 	/* there should be some way of rejecting errors like this without panicing... */
 	panic("scsi%d: queuecommand called with NULL done function [cmd=%p]",
-		SCpnt->host->host_no, SCpnt);
+		host->host->host_no, SCpnt);
 	return -EINVAL;
     }
 
 #if (DEBUG & DEBUG_NO_WRITE)
     if (acornscsi_cmdtype(SCpnt->cmnd[0]) == CMD_WRITE && (NO_WRITE & (1 << SCpnt->device->id))) {
 	printk(KERN_CRIT "scsi%d.%c: WRITE attempted with NO_WRITE flag set\n",
-	    SCpnt->host->host_no, '0' + SCpnt->device->id);
+	    host->host->host_no, '0' + SCpnt->device->id);
 	SCpnt->result = DID_NO_CONNECT << 16;
 	done(SCpnt);
 	return 0;
@@ -2695,7 +2695,7 @@ acornscsi_do_abort(AS_Host *host, Scsi_Cmnd *SCpnt)
  */
 int acornscsi_abort(Scsi_Cmnd *SCpnt)
 {
-	AS_Host *host = (AS_Host *) SCpnt->host->hostdata;
+	AS_Host *host = (AS_Host *) SCpnt->device->host->hostdata;
 	int result;
 
 	host->stats.aborts += 1;
@@ -2782,7 +2782,7 @@ int acornscsi_abort(Scsi_Cmnd *SCpnt)
  */
 int acornscsi_reset(Scsi_Cmnd *SCpnt, unsigned int reset_flags)
 {
-    AS_Host *host = (AS_Host *)SCpnt->host->hostdata;
+    AS_Host *host = (AS_Host *)SCpnt->device->host->hostdata;
     Scsi_Cmnd *SCptr;
     
     host->stats.resets += 1;

drivers/acorn/scsi/scsi.h

@@ -68,8 +68,7 @@ static inline void put_next_SCp_byte(Scsi_Pointer *SCp, unsigned char c)
 
 static inline void init_SCp(Scsi_Cmnd *SCpnt)
 {
-	SCpnt->SCp.Message = 0;
-	SCpnt->SCp.Status = 0;
+	memset(&SCpnt->SCp, 0, sizeof(struct scsi_pointer));
 
 	if (SCpnt->use_sg) {
 		unsigned long len = 0;
@@ -97,8 +96,6 @@ static inline void init_SCp(Scsi_Cmnd *SCpnt)
 		SCpnt->request_bufflen = len;
 #endif
 	} else {
-		SCpnt->SCp.buffer = NULL;
-		SCpnt->SCp.buffers_residual = 0;
 		SCpnt->SCp.ptr = (unsigned char *)SCpnt->request_buffer;
 		SCpnt->SCp.this_residual = SCpnt->request_bufflen;
 	}

drivers/char/nwflash.c

@@ -354,6 +354,7 @@ static int erase_block(int nBlock)
 {
 	volatile unsigned int c1;
 	volatile unsigned char *pWritePtr;
+	unsigned long timeout;
 	int temp, temp1;
 
 	/*
@@ -406,9 +407,9 @@ static int erase_block(int nBlock)
 	/*
 	 * wait while erasing in process (up to 10 sec)
 	 */
-	temp = jiffies + 10 * HZ;
+	timeout = jiffies + 10 * HZ;
 	c1 = 0;
-	while (!(c1 & 0x80) && time_before(jiffies, temp)) {
+	while (!(c1 & 0x80) && time_before(jiffies, timeout)) {
 		flash_wait(HZ / 100);
 		/*
 		 * read any address
@@ -466,8 +467,8 @@ static int write_block(unsigned long p, const char *buf, int count)
 	unsigned char *pWritePtr;
 	unsigned int uAddress;
 	unsigned int offset;
-	unsigned int timeout;
-	unsigned int timeout1;
+	unsigned long timeout;
+	unsigned long timeout1;
 
 	/*
 	 * red LED == write

drivers/pci/pci.c

@@ -584,6 +584,9 @@ pci_set_master(struct pci_dev *dev)
 }
 
 #ifndef HAVE_ARCH_PCI_MWI
+/* This can be overridden by arch code. */
+u8 pci_cache_line_size = L1_CACHE_BYTES >> 2;
+
 /**
  * pci_generic_prep_mwi - helper function for pci_set_mwi
  * @dev: the PCI device for which MWI is enabled
@@ -597,32 +600,29 @@ pci_set_master(struct pci_dev *dev)
 static int
 pci_generic_prep_mwi(struct pci_dev *dev)
 {
-	int rc = 0;
-	u8 cache_size;
+	u8 cacheline_size;
 
-	/*
-	 * Looks like this is necessary to deal with on all architectures,
-	 * even this %$#%$# N440BX Intel based thing doesn't get it right.
-	 * Ie. having two NICs in the machine, one will have the cache
-	 * line set at boot time, the other will not.
-	 */
-	pci_read_config_byte(dev, PCI_CACHE_LINE_SIZE, &cache_size);
-	cache_size <<= 2;
-	if (cache_size != SMP_CACHE_BYTES) {
-		printk(KERN_WARNING "PCI: %s PCI cache line size set "
-		       "incorrectly (%i bytes) by BIOS/FW, ",
-		       dev->slot_name, cache_size);
-		if (cache_size > SMP_CACHE_BYTES) {
-			printk("expecting %i\n", SMP_CACHE_BYTES);
-			rc = -EINVAL;
-		} else {
-			printk("correcting to %i\n", SMP_CACHE_BYTES);
-			pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE,
-					      SMP_CACHE_BYTES >> 2);
-		}
-	}
+	if (!pci_cache_line_size)
+		return -EINVAL;		/* The system doesn't support MWI. */
+
+	/* Validate current setting: the PCI_CACHE_LINE_SIZE must be
+	   equal to or multiple of the right value. */
+	pci_read_config_byte(dev, PCI_CACHE_LINE_SIZE, &cacheline_size);
+	if (cacheline_size >= pci_cache_line_size &&
+	    (cacheline_size % pci_cache_line_size) == 0)
+		return 0;
+
+	/* Write the correct value. */
+	pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, pci_cache_line_size);
+	/* Read it back. */
+	pci_read_config_byte(dev, PCI_CACHE_LINE_SIZE, &cacheline_size);
+	if (cacheline_size == pci_cache_line_size)
+		return 0;
+
+	printk(KERN_WARNING "PCI: cache line size of %d is not supported "
+	       "by device %s\n", pci_cache_line_size << 2, dev->slot_name);
 
-	return rc;
+	return -EINVAL;
 }
 #endif /* !HAVE_ARCH_PCI_MWI */
 

drivers/pci/setup-bus.c

@@ -36,6 +36,13 @@
 
 #define ROUND_UP(x, a)		(((x) + (a) - 1) & ~((a) - 1))
 
+/*
+ * FIXME: IO should be max 256 bytes.  However, since we may
+ * have a P2P bridge below a cardbus bridge, we need 4K.
+ */
+#define CARDBUS_IO_SIZE		(4096)
+#define CARDBUS_MEM_SIZE	(32*1024*1024)
+
 static int __devinit
 pbus_assign_resources_sorted(struct pci_bus *bus)
 {
@@ -67,12 +74,67 @@ pbus_assign_resources_sorted(struct pci_bus *bus)
 	return found_vga;
 }
 
+static void __devinit
+pci_setup_cardbus(struct pci_bus *bus)
+{
+	struct pci_dev *bridge = bus->self;
+	struct pci_bus_region region;
+
+	printk("PCI: Bus %d, cardbus bridge: %s\n",
+		bus->number, bridge->slot_name);
+
+	pcibios_resource_to_bus(bridge, &region, bus->resource[0]);
+	if (bus->resource[0]->flags & IORESOURCE_IO) {
+		/*
+		 * The IO resource is allocated a range twice as large as it
+		 * would normally need.  This allows us to set both IO regs.
+		 */
+		printk("  IO window: %08lx-%08lx\n",
+			region.start, region.end);
+		pci_write_config_dword(bridge, PCI_CB_IO_BASE_0,
+					region.start);
+		pci_write_config_dword(bridge, PCI_CB_IO_LIMIT_0,
+					region.end);
+	}
+
+	pcibios_resource_to_bus(bridge, &region, bus->resource[1]);
+	if (bus->resource[1]->flags & IORESOURCE_IO) {
+		printk("  IO window: %08lx-%08lx\n",
+			region.start, region.end);
+		pci_write_config_dword(bridge, PCI_CB_IO_BASE_1,
+					region.start);
+		pci_write_config_dword(bridge, PCI_CB_IO_LIMIT_1,
+					region.end);
+	}
+
+	pcibios_resource_to_bus(bridge, &region, bus->resource[2]);
+	if (bus->resource[2]->flags & IORESOURCE_MEM) {
+		printk("  PREFETCH window: %08lx-%08lx\n",
+			region.start, region.end);
+		pci_write_config_dword(bridge, PCI_CB_MEMORY_BASE_0,
+					region.start);
+		pci_write_config_dword(bridge, PCI_CB_MEMORY_LIMIT_0,
+					region.end);
+	}
+
+	pcibios_resource_to_bus(bridge, &region, bus->resource[3]);
+	if (bus->resource[3]->flags & IORESOURCE_MEM) {
+		printk("  MEM window: %08lx-%08lx\n",
+			region.start, region.end);
+		pci_write_config_dword(bridge, PCI_CB_MEMORY_BASE_1,
+					region.start);
+		pci_write_config_dword(bridge, PCI_CB_MEMORY_LIMIT_1,
+					region.end);
+	}
+}
+
 /* Initialize bridges with base/limit values we have collected.
    PCI-to-PCI Bridge Architecture Specification rev. 1.1 (1998)
    requires that if there is no I/O ports or memory behind the
    bridge, corresponding range must be turned off by writing base
    value greater than limit to the bridge's base/limit registers.  */
-static void __devinit pci_setup_bridge(struct pci_bus *bus)
+static void __devinit
+pci_setup_bridge(struct pci_bus *bus)
 {
 	struct pci_dev *bridge = bus->self;
 	struct pci_bus_region region;
@@ -154,9 +216,6 @@ pci_bridge_check_ranges(struct pci_bus *bus)
 	struct pci_dev *bridge = bus->self;
 	struct resource *b_res;
 
-	if (!bridge || (bridge->class >> 8) != PCI_CLASS_BRIDGE_PCI)
-		return;
-
 	b_res = &bridge->resource[PCI_BRIDGE_RESOURCES];
 	b_res[1].flags |= IORESOURCE_MEM;
 
@@ -184,6 +243,26 @@ pci_bridge_check_ranges(struct pci_bus *bus)
 		b_res[2].flags |= IORESOURCE_MEM | IORESOURCE_PREFETCH;
 }
 
+/* Helper function for sizing routines: find first available
+   bus resource of a given type. Note: we intentionally skip
+   the bus resources which have already been assigned (that is,
+   have non-NULL parent resource). */
+static struct resource * __devinit
+find_free_bus_resource(struct pci_bus *bus, unsigned long type)
+{
+	int i;
+	struct resource *r;
+	unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM |
+				  IORESOURCE_PREFETCH;
+
+	for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
+		r = bus->resource[i];
+		if (r && (r->flags & type_mask) == type && !r->parent)
+			return r;
+	}
+	return NULL;
+}
+
 /* Sizing the IO windows of the PCI-PCI bridge is trivial,
    since these windows have 4K granularity and the IO ranges
    of non-bridge PCI devices are limited to 256 bytes.
@@ -192,15 +271,15 @@ static void __devinit
 pbus_size_io(struct pci_bus *bus)
 {
 	struct pci_dev *dev;
-	struct resource *b_res = bus->resource[0];
+	struct resource *b_res = find_free_bus_resource(bus, IORESOURCE_IO);
 	unsigned long size = 0, size1 = 0;
 
-	if (!(b_res->flags & IORESOURCE_IO))
-		return;
+	if (!b_res)
+ 		return;
 
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		int i;
-		
+
 		for (i = 0; i < PCI_NUM_RESOURCES; i++) {
 			struct resource *r = &dev->resource[i];
 			unsigned long r_size;
@@ -215,9 +294,6 @@ pbus_size_io(struct pci_bus *bus)
 			else
 				size1 += r_size;
 		}
-		/* ??? Reserve some resources for CardBus. */
-		if ((dev->class >> 8) == PCI_CLASS_BRIDGE_CARDBUS)
-			size1 += 4*1024;
 	}
 /* To be fixed in 2.5: we should have sort of HAVE_ISA
    flag in the struct pci_bus. */
@@ -236,15 +312,17 @@ pbus_size_io(struct pci_bus *bus)
 
 /* Calculate the size of the bus and minimal alignment which
    guarantees that all child resources fit in this size. */
-static void __devinit
+static int __devinit
 pbus_size_mem(struct pci_bus *bus, unsigned long mask, unsigned long type)
 {
 	struct pci_dev *dev;
 	unsigned long min_align, align, size;
 	unsigned long aligns[12];	/* Alignments from 1Mb to 2Gb */
 	int order, max_order;
-	struct resource *b_res = (type & IORESOURCE_PREFETCH) ?
-				 bus->resource[2] : bus->resource[1];
+	struct resource *b_res = find_free_bus_resource(bus, type);
+
+	if (!b_res)
+		return 0;
 
 	memset(aligns, 0, sizeof(aligns));
 	max_order = 0;
@@ -280,11 +358,6 @@ pbus_size_mem(struct pci_bus *bus, unsigned long mask, unsigned long type)
 			if (order > max_order)
 				max_order = order;
 		}
-		/* ??? Reserve some resources for CardBus. */
-		if ((dev->class >> 8) == PCI_CLASS_BRIDGE_CARDBUS) {
-			size += 1UL << 24;		/* 16 Mb */
-			aligns[24 - 20] += 1UL << 24;
-		}
 	}
 
 	align = 0;
@@ -301,38 +374,111 @@ pbus_size_mem(struct pci_bus *bus, unsigned long mask, unsigned long type)
 	size = ROUND_UP(size, min_align);
 	if (!size) {
 		b_res->flags = 0;
-		return;
+		return 1;
 	}
 	b_res->start = min_align;
 	b_res->end = size + min_align - 1;
+	return 1;
+}
+
+static void __devinit
+pci_bus_size_cardbus(struct pci_bus *bus)
+{
+	struct pci_dev *bridge = bus->self;
+	struct resource *b_res = &bridge->resource[PCI_BRIDGE_RESOURCES];
+	u16 ctrl;
+
+	/*
+	 * Reserve some resources for CardBus.  We reserve
+	 * a fixed amount of bus space for CardBus bridges.
+	 */
+	b_res[0].start = CARDBUS_IO_SIZE;
+	b_res[0].end = b_res[0].start + CARDBUS_IO_SIZE - 1;
+	b_res[0].flags |= IORESOURCE_IO;
+
+	b_res[1].start = CARDBUS_IO_SIZE;
+	b_res[1].end = b_res[1].start + CARDBUS_IO_SIZE - 1;
+	b_res[1].flags |= IORESOURCE_IO;
+
+	/*
+	 * Check whether prefetchable memory is supported
+	 * by this bridge.
+	 */
+	pci_read_config_word(bridge, PCI_CB_BRIDGE_CONTROL, &ctrl);
+	if (!(ctrl & PCI_CB_BRIDGE_CTL_PREFETCH_MEM0)) {
+		ctrl |= PCI_CB_BRIDGE_CTL_PREFETCH_MEM0;
+		pci_write_config_word(bridge, PCI_CB_BRIDGE_CONTROL, ctrl);
+		pci_read_config_word(bridge, PCI_CB_BRIDGE_CONTROL, &ctrl);
+	}
+
+	/*
+	 * If we have prefetchable memory support, allocate
+	 * two regions.  Otherwise, allocate one region of
+	 * twice the size.
+	 */
+	if (ctrl & PCI_CB_BRIDGE_CTL_PREFETCH_MEM0) {
+		b_res[2].start = CARDBUS_MEM_SIZE;
+		b_res[2].end = b_res[2].start + CARDBUS_MEM_SIZE - 1;
+		b_res[2].flags |= IORESOURCE_MEM | IORESOURCE_PREFETCH;
+
+		b_res[3].start = CARDBUS_MEM_SIZE;
+		b_res[3].end = b_res[3].start + CARDBUS_MEM_SIZE - 1;
+		b_res[3].flags |= IORESOURCE_MEM;
+	} else {
+		b_res[3].start = CARDBUS_MEM_SIZE * 2;
+		b_res[3].end = b_res[3].start + CARDBUS_MEM_SIZE * 2 - 1;
+		b_res[3].flags |= IORESOURCE_MEM;
+	}
 }
 
 void __devinit
 pci_bus_size_bridges(struct pci_bus *bus)
 {
-	struct pci_bus *b;
-	unsigned long mask, type;
+	struct pci_dev *dev;
+	unsigned long mask, prefmask;
 
-	list_for_each_entry(b, &bus->children, node) {
-		pci_bus_size_bridges(b);
+	list_for_each_entry(dev, &bus->devices, bus_list) {
+		struct pci_bus *b = dev->subordinate;
+		if (!b)
+			continue;
+
+		switch (dev->class >> 8) {
+		case PCI_CLASS_BRIDGE_CARDBUS:
+			pci_bus_size_cardbus(b);
+			break;
+
+		case PCI_CLASS_BRIDGE_PCI:
+		default:
+			pci_bus_size_bridges(b);
+			break;
+		}
 	}
 
 	/* The root bus? */
 	if (!bus->self)
 		return;
 
-	pci_bridge_check_ranges(bus);
-
-	pbus_size_io(bus);
-
-	mask = type = IORESOURCE_MEM;
-	/* If the bridge supports prefetchable range, size it separately. */
-	if (bus->resource[2] &&
-	    bus->resource[2]->flags & IORESOURCE_PREFETCH) {
-		pbus_size_mem(bus, IORESOURCE_PREFETCH, IORESOURCE_PREFETCH);
-		mask |= IORESOURCE_PREFETCH;	/* Size non-prefetch only. */
+	switch (bus->self->class >> 8) {
+	case PCI_CLASS_BRIDGE_CARDBUS:
+		/* don't size cardbuses yet. */
+		break;
+
+	case PCI_CLASS_BRIDGE_PCI:
+		pci_bridge_check_ranges(bus);
+	default:
+		pbus_size_io(bus);
+		/* If the bridge supports prefetchable range, size it
+		   separately. If it doesn't, or its prefetchable window
+		   has already been allocated by arch code, try
+		   non-prefetchable range for both types of PCI memory
+		   resources. */
+		mask = IORESOURCE_MEM;
+		prefmask = IORESOURCE_MEM | IORESOURCE_PREFETCH;
+		if (pbus_size_mem(bus, prefmask, prefmask))
+			mask = prefmask; /* Success, size non-prefetch only. */
+		pbus_size_mem(bus, mask, IORESOURCE_MEM);
+		break;
 	}
-	pbus_size_mem(bus, mask, type);
 }
 EXPORT_SYMBOL(pci_bus_size_bridges);
 
@@ -351,9 +497,24 @@ pci_bus_assign_resources(struct pci_bus *bus)
 	}
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		b = dev->subordinate;
-		if (b) {
-			pci_bus_assign_resources(b);
+		if (!b)
+			continue;
+
+		pci_bus_assign_resources(b);
+
+		switch (dev->class >> 8) {
+		case PCI_CLASS_BRIDGE_PCI:
 			pci_setup_bridge(b);
+			break;
+
+		case PCI_CLASS_BRIDGE_CARDBUS:
+			pci_setup_cardbus(b);
+			break;
+
+		default:
+			printk(KERN_INFO "PCI: not setting up bridge %s "
+			       "for bus %d\n", dev->slot_name, b->number);
+			break;
 		}
 	}
 }

drivers/pci/setup-res.c

@@ -59,9 +59,7 @@ pci_update_resource(struct pci_dev *dev, struct resource *res, int resno)
 		reg = dev->rom_base_reg;
 	} else {
 		/* Hmm, non-standard resource. */
-		printk("PCI: trying to set non-standard region %s/%d\n",
-		       dev->slot_name, resno);
-		return;
+		BUG();
 	}
 
 	pci_write_config_dword(dev, reg, new);
@@ -141,7 +139,7 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
 	if (ret) {
 		printk(KERN_ERR "PCI: Failed to allocate resource %d(%lx-%lx) for %s\n",
 		       resno, res->start, res->end, dev->slot_name);
-	} else {
+	} else if (resno < PCI_BRIDGE_RESOURCES) {
 		pci_update_resource(dev, res, resno);
 	}
 

include/asm-arm/arch-cl7500/io.h

@@ -239,4 +239,15 @@ DECLARE_IO(int,l,"")
 /* the following macro is deprecated */
 #define ioaddr(port)			__ioaddr((port))
 
+#define insb(p,d,l)	__raw_readsb(__ioaddr(p),d,l)
+#define insw(p,d,l)	__raw_readsw(__ioaddr(p),d,l)
+
+#define outsb(p,d,l)	__raw_writesb(__ioaddr(p),d,l)
+#define outsw(p,d,l)	__raw_writesw(__ioaddr(p),d,l)
+
+/*
+ * 1:1 mapping for ioremapped regions.
+ */
+#define __mem_pci(x)	(x)
+
 #endif

include/asm-arm/arch-pxa/time.h

@@ -49,7 +49,6 @@ static unsigned long pxa_gettimeoffset (void)
 
 static void pxa_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
-	long flags;
 	int next_match;
 
 	do_profile(regs);
@@ -63,11 +62,9 @@ static void pxa_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	do {
 		do_leds();
 		do_set_rtc();
-		local_irq_save( flags );
 		do_timer(regs);
 		OSSR = OSSR_M0;  /* Clear match on timer 0 */
 		next_match = (OSMR0 += LATCH);
-		local_irq_restore( flags );
 	} while( (signed long)(next_match - OSCR) <= 0 );
 }
 

include/asm-arm/cache.h

@@ -4,18 +4,12 @@
 #ifndef __ASMARM_CACHE_H
 #define __ASMARM_CACHE_H
 
-#define        L1_CACHE_BYTES  32
-#define        L1_CACHE_ALIGN(x)       (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
-#define        SMP_CACHE_BYTES L1_CACHE_BYTES
+#define L1_CACHE_SHIFT		5
+#define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
 
-#ifdef MODULE
-#define __cacheline_aligned __attribute__((__aligned__(L1_CACHE_BYTES)))
-#else
-#define __cacheline_aligned					\
-  __attribute__((__aligned__(L1_CACHE_BYTES),			\
-		 __section__(".data.cacheline_aligned")))
-#endif
-
-#define L1_CACHE_SHIFT_MAX 5	/* largest L1 which this arch supports */
+/*
+ * largest L1 which this arch supports
+ */
+#define L1_CACHE_SHIFT_MAX	5
 
 #endif

arch/arm/boot/compressed/head-netwinder.S → include/asm-arm/hardware/ssp.h

 /*
- *  linux/arch/arm/boot/compressed/head-netwinder.S
+ *  ssp.h
  *
- *  Copyright (C) 2000-2002 Russell King
+ *  Copyright (C) 2003 Russell King, All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-		.section	".start", "ax"
+#ifndef SSP_H
+#define SSP_H
 
-		mov	r7, #5
-		mov	r8, #0
+struct ssp_state {
+	unsigned int	cr0;
+	unsigned int	cr1;
+};
+
+int ssp_write_word(u16 data);
+int ssp_read_word(void);
+void ssp_flush(void);
+void ssp_enable(void);
+void ssp_disable(void);
+void ssp_save_state(struct ssp_state *ssp);
+void ssp_restore_state(struct ssp_state *ssp);
+int ssp_init(void);
+void ssp_exit(void);
+
+#endif

include/asm-arm/mach/arch.h

@@ -17,6 +17,7 @@
 #ifndef __ASSEMBLY__
 
 struct tag;
+struct meminfo;
 
 struct machine_desc {
 	/*

include/asm-arm/mach/dma.h

@@ -40,7 +40,6 @@ struct dma_struct {
 
 	unsigned int	dma_base;	/* Controller base address	*/
 	int		dma_irq;	/* Controller IRQ		*/
-	int		state;		/* Controller state		*/
 	struct scatterlist cur_sg;	/* Current controller buffer	*/
 
 	struct dma_ops	*d_ops;

include/asm-arm/mach/pci.h

@@ -12,6 +12,7 @@ struct pci_sys_data;
 struct pci_bus;
 
 struct hw_pci {
+	struct list_head buses;
 	int		nr_controllers;
 	int		(*setup)(int nr, struct pci_sys_data *);
 	struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
@@ -25,6 +26,7 @@ struct hw_pci {
  * Per-controller structure
  */
 struct pci_sys_data {
+	struct list_head node;
 	int		busnr;		/* primary bus number			*/
 	unsigned long	mem_offset;	/* bus->cpu memory mapping offset	*/
 	unsigned long	io_offset;	/* bus->cpu IO mapping offset		*/

include/asm-arm/proc-armv/system.h

@@ -63,6 +63,7 @@ extern unsigned long cr_alignment;	/* defined in entry-armv.S */
 #define local_irq_save(x)					\
 	({							\
 		unsigned long temp;				\
+		(void) (&temp == &x);				\
 	__asm__ __volatile__(					\
 	"mrs	%0, cpsr		@ local_irq_save\n"	\
 "	orr	%1, %0, #128\n"					\