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

@@ -104,11 +104,8 @@ 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);
 	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);
-
 	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);
-
 	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);
-
 	return ret;
 }
 

arch/parisc/kernel/pci-dma.c

@@ -31,7 +31,7 @@
 #include <asm/page.h>	/* get_order */
 #include <asm/pgalloc.h>
 #include <asm/uaccess.h>
-
+#include <asm/tlbflush.h>	/* for purge_tlb_*() macros */
 
 static struct proc_dir_entry * proc_gsc_root = NULL;
 static int pcxl_proc_info(char *buffer, char **start, off_t offset, int length);
@@ -343,7 +343,17 @@ pcxl_dma_init(void)
 					    get_order(pcxl_res_size));
 	memset(pcxl_res_map, 0, pcxl_res_size);
 	proc_gsc_root = proc_mkdir("gsc", 0);
-    create_proc_info_entry("dino", 0, proc_gsc_root, pcxl_proc_info);
+	if (!proc_gsc_root)
+    		printk(KERN_WARNING
+			"pcxl_dma_init: Unable to create gsc /proc dir entry\n");
+	else {
+		struct proc_dir_entry* ent;
+		ent = create_proc_info_entry("pcxl_dma", 0,
+				proc_gsc_root, pcxl_proc_info);
+		if (!ent)
+			printk(KERN_WARNING
+				"pci-dma.c: Unable to create pcxl_dma /proc entry.\n");
+	}
 	return 0;
 }
 
@@ -545,16 +555,16 @@ struct hppa_dma_ops pcx_dma_ops = {
 
 static int pcxl_proc_info(char *buf, char **start, off_t offset, int len)
 {
+#if 0
 	u_long i = 0;
 	unsigned long *res_ptr = (u_long *)pcxl_res_map;
+#endif
 	unsigned long total_pages = pcxl_res_size << 3;   /* 8 bits per byte */
 
-	sprintf(buf, "\nDMA Mapping Area size    : %d bytes (%d pages)\n",
-		PCXL_DMA_MAP_SIZE,
-		(pcxl_res_size << 3) ); /* 1 bit per page */
+	sprintf(buf, "\nDMA Mapping Area size    : %d bytes (%ld pages)\n",
+		PCXL_DMA_MAP_SIZE, total_pages);
 	
-	sprintf(buf, "%sResource bitmap : %d bytes (%d pages)\n", 
-		buf, pcxl_res_size, pcxl_res_size << 3);   /* 8 bits per byte */
+	sprintf(buf, "%sResource bitmap : %d bytes\n", buf, pcxl_res_size);
 
 	strcat(buf,  "     	  total:    free:    used:   % used:\n");
 	sprintf(buf, "%sblocks  %8d %8ld %8ld %8ld%%\n", buf, pcxl_res_size,
@@ -565,6 +575,7 @@ static int pcxl_proc_info(char *buf, char **start, off_t offset, int len)
 		total_pages - pcxl_used_pages, pcxl_used_pages,
 		(pcxl_used_pages * 100 / total_pages));
 
+#if 0
 	strcat(buf, "\nResource bitmap:");
 
 	for(; i < (pcxl_res_size / sizeof(u_long)); ++i, ++res_ptr) {
@@ -572,6 +583,7 @@ static int pcxl_proc_info(char *buf, char **start, off_t offset, int len)
 		    strcat(buf,"\n   ");
 		sprintf(buf, "%s %08lx", buf, *res_ptr);
 	}
+#endif
 	strcat(buf, "\n");
 	return strlen(buf);
 }

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/smp.c

@@ -18,7 +18,7 @@
 */
 #undef ENTRY_SYS_CPUS	/* syscall support for iCOD-like functionality */
 
-#include <linux/autoconf.h>
+#include <linux/config.h>
 
 #include <linux/types.h>
 #include <linux/spinlock.h>