Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 3362/1: [cleanup] - duplicate decleration of mem_fclk_21285 [ARM] 3365/1: [cleanup] header for compat.c exported functions [ARM] 3364/1: [cleanup] warning fix - definitions for enable_hlt and disable_hlt [ARM] 3363/1: [cleanup] process.c - fix warnings [ARM] 3358/1: [S3C2410] add missing SPI DMA resources [ARM] 3357/1: enable frontlight on collie [ARM] Fix "thead" typo
aixiaorenzhe · Mar 16, 2006 · 5466eb5 · 5466eb5
2 parents 2d7f2ea + 4333298
commit 5466eb5
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Showing 8 changed files with 56 additions and 5 deletions.
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
@@ -629,6 +629,22 @@ static int locomo_resume(struct platform_device *dev)
 }
 #endif
 
+
+#define LCM_ALC_EN	0x8000
+
+void frontlight_set(struct locomo *lchip, int duty, int vr, int bpwf)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&lchip->lock, flags);
+	locomo_writel(bpwf, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
+	udelay(100);
+	locomo_writel(duty, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
+	locomo_writel(bpwf | LCM_ALC_EN, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
+	spin_unlock_irqrestore(&lchip->lock, flags);
+}
+
+
 /**
  *	locomo_probe - probe for a single LoCoMo chip.
  *	@phys_addr: physical address of device.
@@ -688,6 +704,11 @@ __locomo_probe(struct device *me, struct resource *mem, int irq)
 	/* FrontLight */
 	locomo_writel(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
 	locomo_writel(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
+
+	/* Same constants can be used for collie and poodle
+	   (depending on CONFIG options in original sharp code)? */
+	frontlight_set(lchip, 163, 0, 148);
+
 	/* Longtime timer */
 	locomo_writel(0, lchip->base + LOCOMO_LTINT);
 	/* SPI */

diff --git a/arch/arm/kernel/compat.c b/arch/arm/kernel/compat.c
@@ -27,6 +27,8 @@
 
 #include <asm/mach/arch.h>
 
+#include "compat.h"
+
 /*
  * Usage:
  *  - do not go blindly adding fields, add them at the end

diff --git a/arch/arm/kernel/compat.h b/arch/arm/kernel/compat.h
@@ -0,0 +1,13 @@
+/*
+ *  linux/arch/arm/kernel/compat.h
+ *
+ *  Copyright (C) 2001 Russell King
+ *
+ * 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.
+*/
+
+extern void convert_to_tag_list(struct tag *tags);
+
+extern void squash_mem_tags(struct tag *tag);
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
@@ -27,6 +27,7 @@
 #include <linux/kallsyms.h>
 #include <linux/init.h>
 #include <linux/cpu.h>
+#include <linux/elfcore.h>
 
 #include <asm/leds.h>
 #include <asm/processor.h>
@@ -83,7 +84,7 @@ EXPORT_SYMBOL(pm_power_off);
  * This is our default idle handler.  We need to disable
  * interrupts here to ensure we don't miss a wakeup call.
  */
-void default_idle(void)
+static void default_idle(void)
 {
 	if (hlt_counter)
 		cpu_relax();

diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
@@ -628,7 +628,7 @@ static int ptrace_setwmmxregs(struct task_struct *tsk, void __user *ufp)
 	if (!test_ti_thread_flag(thread, TIF_USING_IWMMXT))
 		return -EACCES;
 	iwmmxt_task_release(thread);  /* force a reload */
-	return copy_from_user(&thead->fpstate.iwmmxt, ufp, IWMMXT_SIZE)
+	return copy_from_user(&thread->fpstate.iwmmxt, ufp, IWMMXT_SIZE)
 		? -EFAULT : 0;
 }
 

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
@@ -37,6 +37,8 @@
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
 
+#include "compat.h"
+
 #ifndef MEM_SIZE
 #define MEM_SIZE	(16*1024*1024)
 #endif
@@ -53,10 +55,7 @@ static int __init fpe_setup(char *line)
 __setup("fpe=", fpe_setup);
 #endif
 
-extern unsigned int mem_fclk_21285;
 extern void paging_init(struct meminfo *, struct machine_desc *desc);
-extern void convert_to_tag_list(struct tag *tags);
-extern void squash_mem_tags(struct tag *tag);
 extern void reboot_setup(char *str);
 extern int root_mountflags;
 extern void _stext, _text, _etext, __data_start, _edata, _end;

diff --git a/arch/arm/mach-s3c2410/devs.c b/arch/arm/mach-s3c2410/devs.c
@@ -334,11 +334,17 @@ static struct resource s3c_spi0_resource[] = {
 
 };
 
+static u64 s3c_device_spi0_dmamask = 0xffffffffUL;
+
 struct platform_device s3c_device_spi0 = {
 	.name		  = "s3c2410-spi",
 	.id		  = 0,
 	.num_resources	  = ARRAY_SIZE(s3c_spi0_resource),
 	.resource	  = s3c_spi0_resource,
+        .dev              = {
+                .dma_mask = &s3c_device_spi0_dmamask,
+                .coherent_dma_mask = 0xffffffffUL
+        }
 };
 
 EXPORT_SYMBOL(s3c_device_spi0);
@@ -359,11 +365,17 @@ static struct resource s3c_spi1_resource[] = {
 
 };
 
+static u64 s3c_device_spi1_dmamask = 0xffffffffUL;
+
 struct platform_device s3c_device_spi1 = {
 	.name		  = "s3c2410-spi",
 	.id		  = 1,
 	.num_resources	  = ARRAY_SIZE(s3c_spi1_resource),
 	.resource	  = s3c_spi1_resource,
+        .dev              = {
+                .dma_mask = &s3c_device_spi1_dmamask,
+                .coherent_dma_mask = 0xffffffffUL
+        }
 };
 
 EXPORT_SYMBOL(s3c_device_spi1);

diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
@@ -415,6 +415,9 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
 	return ret;
 }
 
+extern void disable_hlt(void);
+extern void enable_hlt(void);
+
 #endif /* __ASSEMBLY__ */
 
 #define arch_align_stack(x) (x)