Merge branch 'forlinus' of git://parisc-linux.org/home/kyle/git/parisc-2.6

CREDITS

@@ -2247,6 +2247,12 @@ S: 249 Nichols Avenue
 S: Syracuse, New York 13206
 S: USA
 
+N: Kyle McMartin
+E: kyle@parisc-linux.org
+D: Linux/PARISC hacker
+D: AD1889 sound driver
+S: Ottawa, Canada
+
 N: Dirk Melchers
 E: dirk@merlin.nbg.sub.org
 D: 8 bit XT hard disk driver for OMTI5520

MAINTAINERS

@@ -197,6 +197,15 @@ M:	Thorsten Knabe <linux@thorsten-knabe.de>
 W:	http://linux.thorsten-knabe.de
 S:	Maintained
 
+AD1889 SOUND DRIVER
+P:	Kyle McMartin
+M:	kyle@parisc-linux.org
+P:	Thibaut Varene
+M:	T-Bone@parisc-linux.org
+W:	http://wiki.parisc-linux.org/AD1889
+L:	parisc-linux@lists.parisc-linux.org
+S:	Maintained
+
 ADM1025 HARDWARE MONITOR DRIVER
 P:	Jean Delvare
 M:	khali@linux-fr.org

arch/parisc/Kconfig

@@ -47,10 +47,10 @@ config PM
 
 config ISA_DMA_API
 	bool
-	default y
 
 config ARCH_MAY_HAVE_PC_FDC
 	bool
+	depends on BROKEN
 	default y
 
 source "init/Kconfig"
@@ -154,13 +154,14 @@ config HOTPLUG_CPU
 
 config ARCH_DISCONTIGMEM_ENABLE
 	bool "Discontiguous memory support (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
+	depends on 64BIT && EXPERIMENTAL
 	help
 	  Say Y to support efficient handling of discontiguous physical memory,
 	  for architectures which are either NUMA (Non-Uniform Memory Access)
 	  or have huge holes in the physical address space for other reasons.
 	  See <file:Documentation/vm/numa> for more.
 
+source "kernel/Kconfig.hz"
 source "mm/Kconfig"
 
 config PREEMPT

arch/parisc/Makefile

@@ -20,7 +20,8 @@ NM		= sh $(srctree)/arch/parisc/nm
 CHECKFLAGS	+= -D__hppa__=1
 
 ifdef CONFIG_64BIT
-CROSS_COMPILE	:= hppa64-linux-
+CROSS_COMPILE	:= $(shell if [ -x /usr/bin/hppa64-linux-gnu-gcc ]; then \
+			echo hppa64-linux-gnu-; else echo hppa64-linux-; fi)
 UTS_MACHINE	:= parisc64
 CHECKFLAGS	+= -D__LP64__=1 -m64
 else
@@ -34,6 +35,14 @@ FINAL_LD=$(CROSS_COMPILE)ld --warn-common --warn-section-align
 
 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
 
+GCC_VERSION     := $(call cc-version)
+ifneq ($(shell if [ -z $(GCC_VERSION) ] ; then echo "bad"; fi ;),)
+$(error Sorry, couldn't find ($(cc-version)).)
+endif
+ifneq ($(shell if [ $(GCC_VERSION) -lt 0303 ] ; then echo "bad"; fi ;),)
+$(error Sorry, your compiler is too old ($(GCC_VERSION)).  GCC v3.3 or above is required.)
+endif
+
 cflags-y	:= -pipe
 
 # These flags should be implied by an hppa-linux configuration, but they
@@ -43,7 +52,7 @@ cflags-y	+= -mno-space-regs -mfast-indirect-calls
 # Currently we save and restore fpregs on all kernel entry/interruption paths.
 # If that gets optimized, we might need to disable the use of fpregs in the
 # kernel.
-#cflags-y	+= -mdisable-fpregs
+cflags-y	+= -mdisable-fpregs
 
 # Without this, "ld -r" results in .text sections that are too big
 # (> 0x40000) for branches to reach stubs.

arch/parisc/kernel/cache.c

@@ -27,6 +27,7 @@
 #include <asm/page.h>
 #include <asm/pgalloc.h>
 #include <asm/processor.h>
+#include <asm/sections.h>
 
 int split_tlb;
 int dcache_stride;
@@ -207,6 +208,9 @@ parisc_cache_init(void)
 
 	/* "New and Improved" version from Jim Hull 
 	 *	(1 << (cc_block-1)) * (cc_line << (4 + cnf.cc_shift))
+	 * The following CAFL_STRIDE is an optimized version, see
+	 * http://lists.parisc-linux.org/pipermail/parisc-linux/2004-June/023625.html
+	 * http://lists.parisc-linux.org/pipermail/parisc-linux/2004-June/023671.html
 	 */
 #define CAFL_STRIDE(cnf) (cnf.cc_line << (3 + cnf.cc_block + cnf.cc_shift))
 	dcache_stride = CAFL_STRIDE(cache_info.dc_conf);
@@ -339,17 +343,15 @@ int parisc_cache_flush_threshold = FLUSH_THRESHOLD;
 void parisc_setup_cache_timing(void)
 {
 	unsigned long rangetime, alltime;
-	extern char _text;	/* start of kernel code, defined by linker */
-	extern char _end;	/* end of BSS, defined by linker */
 	unsigned long size;
 
 	alltime = mfctl(16);
 	flush_data_cache();
 	alltime = mfctl(16) - alltime;
 
-	size = (unsigned long)(&_end - _text);
+	size = (unsigned long)(_end - _text);
 	rangetime = mfctl(16);
-	flush_kernel_dcache_range((unsigned long)&_text, size);
+	flush_kernel_dcache_range((unsigned long)_text, size);
 	rangetime = mfctl(16) - rangetime;
 
 	printk(KERN_DEBUG "Whole cache flush %lu cycles, flushing %lu bytes %lu cycles\n",

arch/parisc/kernel/firmware.c

@@ -83,15 +83,15 @@ static unsigned long pdc_result2[32] __attribute__ ((aligned (8)));
 int parisc_narrow_firmware = 1;
 #endif
 
-/* on all currently-supported platforms, IODC I/O calls are always
- * 32-bit calls, and MEM_PDC calls are always the same width as the OS.
- * This means Cxxx boxes can't run wide kernels right now. -PB
+/* On most currently-supported platforms, IODC I/O calls are 32-bit calls
+ * and MEM_PDC calls are always the same width as the OS.
+ * Some PAT boxes may have 64-bit IODC I/O.
  *
- * CONFIG_PDC_NARROW has been added to allow 64-bit kernels to run on
- * systems with 32-bit MEM_PDC calls. This will allow wide kernels to
- * run on Cxxx boxes now. -RB
- *
- * Note that some PAT boxes may have 64-bit IODC I/O...
+ * Ryan Bradetich added the now obsolete CONFIG_PDC_NARROW to allow
+ * 64-bit kernels to run on systems with 32-bit MEM_PDC calls.
+ * This allowed wide kernels to run on Cxxx boxes.
+ * We now detect 32-bit-only PDC and dynamically switch to 32-bit mode
+ * when running a 64-bit kernel on such boxes (e.g. C200 or C360).
  */
 
 #ifdef __LP64__

arch/parisc/kernel/ioctl32.c

@@ -104,12 +104,9 @@ static int drm32_version(unsigned int fd, unsigned int cmd, unsigned long arg)
 	}
 
 out:
-	if (kversion.name)
-		kfree(kversion.name);
-	if (kversion.date)
-		kfree(kversion.date);
-	if (kversion.desc)
-		kfree(kversion.desc);
+	kfree(kversion.name);
+	kfree(kversion.date);
+	kfree(kversion.desc);
 	return ret;
 }
 
@@ -166,9 +163,7 @@ static int drm32_getsetunique(unsigned int fd, unsigned int cmd, unsigned long a
 			ret = -EFAULT;
 	}
 
-	if (karg.unique != NULL)
-		kfree(karg.unique);
-
+	kfree(karg.unique);
 	return ret;
 }
 
@@ -265,7 +260,6 @@ static int drm32_info_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
 	}
 
 	kfree(karg.list);
-
 	return ret;
 }
 
@@ -305,7 +299,6 @@ static int drm32_free_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
 
 out:
 	kfree(karg.list);
-
 	return ret;
 }
 
@@ -494,15 +487,10 @@ static int drm32_dma(unsigned int fd, unsigned int cmd, unsigned long arg)
 	}
 
 out:
-	if (karg.send_indices)
-		kfree(karg.send_indices);
-	if (karg.send_sizes)
-		kfree(karg.send_sizes);
-	if (karg.request_indices)
-		kfree(karg.request_indices);
-	if (karg.request_sizes)
-		kfree(karg.request_sizes);
-
+	kfree(karg.send_indices);
+	kfree(karg.send_sizes);
+	kfree(karg.request_indices);
+	kfree(karg.request_sizes);
 	return ret;
 }
 
@@ -555,9 +543,7 @@ static int drm32_res_ctx(unsigned int fd, unsigned int cmd, unsigned long arg)
 			ret = -EFAULT;
 	}
 
-	if (karg.contexts)
-		kfree(karg.contexts);
-
+	kfree(karg.contexts);
 	return ret;
 }
 

arch/parisc/kernel/pci.c

@@ -202,7 +202,8 @@ static void
 pcibios_link_hba_resources( struct resource *hba_res, struct resource *r)
 {
 	if (!r->parent) {
-		printk(KERN_EMERG "PCI: Tell willy he's wrong\n");
+		printk(KERN_EMERG "PCI: resource not parented! [%lx-%lx]\n",
+				r->start, r->end);
 		r->parent = hba_res;
 
 		/* reverse link is harder *sigh*  */

arch/parisc/kernel/perf.c

@@ -746,7 +746,8 @@ static int perf_write_image(uint64_t *memaddr)
 	uint64_t *bptr;
 	uint32_t dwords;
 	uint32_t *intrigue_rdr;
-	uint64_t *intrigue_bitmask, tmp64, proc_hpa;
+	uint64_t *intrigue_bitmask, tmp64;
+	void __iomem *runway;
 	struct rdr_tbl_ent *tentry;
 	int i;
 
@@ -798,15 +799,16 @@ static int perf_write_image(uint64_t *memaddr)
 		return -1;
 	}
 
-	proc_hpa = cpu_device->hpa;
+	runway = ioremap(cpu_device->hpa.start, 4096);
 
 	/* Merge intrigue bits into Runway STATUS 0 */
-	tmp64 = __raw_readq(proc_hpa + RUNWAY_STATUS) & 0xffecfffffffffffful;
-	__raw_writeq(tmp64 | (*memaddr++ & 0x0013000000000000ul), proc_hpa + RUNWAY_STATUS);
+	tmp64 = __raw_readq(runway + RUNWAY_STATUS) & 0xffecfffffffffffful;
+	__raw_writeq(tmp64 | (*memaddr++ & 0x0013000000000000ul), 
+		     runway + RUNWAY_STATUS);
 	
 	/* Write RUNWAY DEBUG registers */
 	for (i = 0; i < 8; i++) {
-		__raw_writeq(*memaddr++, proc_hpa + RUNWAY_DEBUG + i);
+		__raw_writeq(*memaddr++, runway + RUNWAY_DEBUG);
 	}
 
 	return 0; 

arch/parisc/kernel/processor.c

@@ -92,7 +92,7 @@ static int __init processor_probe(struct parisc_device *dev)
 	 * May get overwritten by PAT code.
 	 */
 	cpuid = boot_cpu_data.cpu_count;
-	txn_addr = dev->hpa;	/* for legacy PDC */
+	txn_addr = dev->hpa.start;	/* for legacy PDC */
 
 #ifdef __LP64__
 	if (is_pdc_pat()) {
@@ -122,7 +122,7 @@ static int __init processor_probe(struct parisc_device *dev)
  * boot time (ie shutdown a CPU from an OS perspective).
  */
 		/* get the cpu number */
-		status = pdc_pat_cpu_get_number(&cpu_info, dev->hpa);
+		status = pdc_pat_cpu_get_number(&cpu_info, dev->hpa.start);
 
 		BUG_ON(PDC_OK != status);
 
@@ -130,7 +130,7 @@ static int __init processor_probe(struct parisc_device *dev)
 			printk(KERN_WARNING "IGNORING CPU at 0x%x,"
 				" cpu_slot_id > NR_CPUS"
 				" (%ld > %d)\n",
-				dev->hpa, cpu_info.cpu_num, NR_CPUS);
+				dev->hpa.start, cpu_info.cpu_num, NR_CPUS);
 			/* Ignore CPU since it will only crash */
 			boot_cpu_data.cpu_count--;
 			return 1;
@@ -149,7 +149,7 @@ static int __init processor_probe(struct parisc_device *dev)
 
 	p->loops_per_jiffy = loops_per_jiffy;
 	p->dev = dev;		/* Save IODC data in case we need it */
-	p->hpa = dev->hpa;	/* save CPU hpa */
+	p->hpa = dev->hpa.start;	/* save CPU hpa */
 	p->cpuid = cpuid;	/* save CPU id */
 	p->txn_addr = txn_addr;	/* save CPU IRQ address */
 #ifdef CONFIG_SMP