Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6:
  sh: Fix dreamcast build for IRQ changes.
  sh: Fix clock multiplier on SH7722.
  sh: Wire up kdump crash kernel exec in die().
  sh: sr.bl toggling around idle sleep.
  sh: disable genrtc support.
  fs: Kill sh dependency for binfmt_flat.
  sh: Disable psw support for R7785RP.
  sh: Fix page size alignment in __copy_user_page().
  sh: Fix up various compile warnings for SE boards.
  sh: Wire up signalfd/timerfd/eventfd syscalls.
  sh: revert addition of page fault notifiers
  spelling fixes: arch/sh/
  input: hp680_ts compile fixes.
  sh: landisk: Header cleanups.
  sh: landisk: rtc-rs5c313 support.
  sh: Kill off pmb slab cache destructor.
  sh: Fix up psw build rules for r7780rp.
  sh: Shut up compiler warnings in __do_page_fault().

5 files changed, 33 insertions, 14 deletions

diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 014f318f5a0..63251549e9a 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -278,6 +278,11 @@ arch_init_clk_ops(struct clk_ops **ops, int type)
 {
 }
 
+void __init __attribute__ ((weak))
+arch_clk_init(void)
+{
+}
+
 static int show_clocks(char *buf, char **start, off_t off,
 		       int len, int *eof, void *data)
 {
@@ -314,6 +319,8 @@ int __init clk_init(void)
 		ret |= clk_register(clk);
 	}
 
+	arch_clk_init();
+
 	/* Kick the child clocks.. */
 	propagate_rate(&master_clk);
 	propagate_rate(&bus_clk);
diff --git a/arch/sh/kernel/cpu/irq/maskreg.c b/arch/sh/kernel/cpu/irq/maskreg.c
index 492db31b3ca..978992e367a 100644
--- a/arch/sh/kernel/cpu/irq/maskreg.c
+++ b/arch/sh/kernel/cpu/irq/maskreg.c
@@ -38,7 +38,7 @@ static struct hw_interrupt_type maskreg_irq_type = {
 	.end = end_maskreg_irq
 };
 
-/* actual implementatin */
+/* actual implementation */
 static unsigned int startup_maskreg_irq(unsigned int irq)
 {
 	enable_maskreg_irq(irq);
diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c
index d61dd599169..c5a4fc77fa0 100644
--- a/arch/sh/kernel/cpu/sh4/fpu.c
+++ b/arch/sh/kernel/cpu/sh4/fpu.c
@@ -138,7 +138,7 @@ restore_fpu(struct task_struct *tsk)
 /*
  * Load the FPU with signalling NANS.  This bit pattern we're using
  * has the property that no matter wether considered as single or as
- * double precission represents signaling NANS.  
+ * double precision represents signaling NANS.  
  */
 
 static void
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
index 6f8f458912c..03b14cf78dd 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -106,6 +106,7 @@ static struct ipr_data sh7750_ipr_map[] = {
 	{ 38, 2,  8, 7 }, /* DMAC DMAE */
 };
 
+#ifdef CONFIG_CPU_SUBTYPE_SH7751
 static struct ipr_data sh7751_ipr_map[] = {
 	{ 44, 2,  8, 7 }, /* DMAC DMTE4 */
 	{ 45, 2,  8, 7 }, /* DMAC DMTE5 */
@@ -117,6 +118,7 @@ static struct ipr_data sh7751_ipr_map[] = {
 	/*{ 72, INTPRI00,  8, ? },*/ /* TMU3 TUNI */
 	/*{ 76, INTPRI00, 12, ? },*/ /* TMU4 TUNI */
 };
+#endif
 
 static unsigned long ipr_offsets[] = {
 	0xffd00004UL,	/* 0: IPRA */
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
index 29090035bc5..51b386d454d 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
@@ -17,7 +17,6 @@
 #include <asm/clock.h>
 #include <asm/freq.h>
 
-#define SH7722_PLL_FREQ (32000000/8)
 #define N  (-1)
 #define NM (-2)
 #define ROUND_NEAREST 0
@@ -141,28 +140,36 @@ static void adjust_clocks(int originate, int *l, unsigned long v[],
 */
 static int divisors2[] = { 2, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24, 32, 40 };
 
+static void master_clk_recalc(struct clk *clk)
+{
+	unsigned frqcr = ctrl_inl(FRQCR);
+
+	clk->rate = CONFIG_SH_PCLK_FREQ * (((frqcr >> 24) & 0x1f) + 1);
+}
+
 static void master_clk_init(struct clk *clk)
 {
-	clk_set_rate(clk, clk_get_rate(clk));
+	clk->parent = NULL;
+	clk->flags |= CLK_RATE_PROPAGATES;
+	clk->rate = CONFIG_SH_PCLK_FREQ;
+	master_clk_recalc(clk);
 }
 
-static void master_clk_recalc(struct clk *clk)
+
+static void module_clk_recalc(struct clk *clk)
 {
 	unsigned long frqcr = ctrl_inl(FRQCR);
 
-	clk->rate = CONFIG_SH_PCLK_FREQ * (1 + (frqcr >> 24 & 0xF));
+	clk->rate = clk->parent->rate / (((frqcr >> 24) & 0x1f) + 1);
 }
 
 static int master_clk_setrate(struct clk *clk, unsigned long rate, int id)
 {
-	int div = rate / SH7722_PLL_FREQ;
+	int div = rate / clk->rate;
 	int master_divs[] = { 2, 3, 4, 6, 8, 16 };
 	int index;
 	unsigned long frqcr;
 
-	if (rate < SH7722_PLL_FREQ * 2)
-		return -EINVAL;
-
 	for (index = 1; index < ARRAY_SIZE(master_divs); index++)
 		if (div >= master_divs[index - 1] && div < master_divs[index])
 			break;
@@ -185,6 +192,10 @@ static struct clk_ops sh7722_master_clk_ops = {
 	.set_rate = master_clk_setrate,
 };
 
+static struct clk_ops sh7722_module_clk_ops = {
+       .recalc = module_clk_recalc,
+};
+
 struct frqcr_context {
 	unsigned mask;
 	unsigned shift;
@@ -489,7 +500,7 @@ static void sh7722_siu_recalc(struct clk *clk)
 
 	if (siu < 0)
 		return /* siu */ ;
-	BUG_ON(siu > 1);
+	BUG_ON(siu > 2);
 	r = ctrl_inl(sh7722_siu_regs[siu]);
 	clk->rate = clk->parent->rate * 2 / divisors2[r & 0xF];
 }
@@ -571,7 +582,7 @@ static struct clk *sh7722_clocks[] = {
  */
 struct clk_ops *onchip_ops[] = {
 	&sh7722_master_clk_ops,
-	&sh7722_frqcr_clk_ops,
+	&sh7722_module_clk_ops,
 	&sh7722_frqcr_clk_ops,
 	&sh7722_frqcr_clk_ops,
 };
@@ -583,7 +594,7 @@ arch_init_clk_ops(struct clk_ops **ops, int type)
 	*ops = onchip_ops[type];
 }
 
-int __init sh7722_clock_init(void)
+int __init arch_clk_init(void)
 {
 	struct clk *master;
 	int i;
@@ -597,4 +608,3 @@ int __init sh7722_clock_init(void)
 	clk_put(master);
 	return 0;
 }
-arch_initcall(sh7722_clock_init);