sh: SE7206 build fixes.

A number of API changes happened underneath the 7206 patches, update
for everything that broke.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

4 files changed, 22 insertions, 117 deletions

diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 8fde95001c34..07f2b5718938 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -50,6 +50,7 @@ unsigned long shm_align_mask = PAGE_SIZE - 1;	/* Sane caches */
 
 EXPORT_SYMBOL(shm_align_mask);
 
+#ifdef CONFIG_MMU
 /*
  * To avoid cache aliases, we map the shared page with same color.
  */
@@ -135,6 +136,7 @@ full_search:
 			addr = COLOUR_ALIGN(addr, pgoff);
 	}
 }
+#endif /* CONFIG_MMU */
 
 static inline long
 do_mmap2(unsigned long addr, unsigned long len, unsigned long prot, 
diff --git a/arch/sh/kernel/timers/timer-cmt.c b/arch/sh/kernel/timers/timer-cmt.c
index 9eab395cd341..30687383d4b0 100644
--- a/arch/sh/kernel/timers/timer-cmt.c
+++ b/arch/sh/kernel/timers/timer-cmt.c
@@ -96,8 +96,7 @@ static unsigned long cmt_timer_get_offset(void)
 	return count;
 }
 
-static irqreturn_t cmt_timer_interrupt(int irq, void *dev_id,
-				       struct pt_regs *regs)
+static irqreturn_t cmt_timer_interrupt(int irq, void *dev_id)
 {
 	unsigned long timer_status;
 
@@ -114,7 +113,7 @@ static irqreturn_t cmt_timer_interrupt(int irq, void *dev_id,
 	 * locally disabled. -arca
 	 */
 	write_seqlock(&xtime_lock);
-	handle_timer_tick(regs);
+	handle_timer_tick();
 	write_sequnlock(&xtime_lock);
 
 	return IRQ_HANDLED;
@@ -123,62 +122,10 @@ static irqreturn_t cmt_timer_interrupt(int irq, void *dev_id,
 static struct irqaction cmt_irq = {
 	.name		= "timer",
 	.handler	= cmt_timer_interrupt,
-	.flags		= SA_INTERRUPT,
+	.flags		= IRQF_DISABLED,
 	.mask		= CPU_MASK_NONE,
 };
 
-/*
- * Hah!  We'll see if this works (switching from usecs to nsecs).
- */
-static unsigned long cmt_timer_get_frequency(void)
-{
-	u32 freq;
-	struct timespec ts1, ts2;
-	unsigned long diff_nsec;
-	unsigned long factor;
-
-	/* Setup the timer:  We don't want to generate interrupts, just
-	 * have it count down at its natural rate.
-	 */
-	
-	ctrl_outw(ctrl_inw(CMT_CMSTR) & ~0x01, CMT_CMSTR);
-	ctrl_outw(CMT_CMCSR_CALIB, CMT_CMCSR_0);
-	ctrl_outw(0xffff, CMT_CMCOR_0);
-	ctrl_outw(0xffff, CMT_CMCNT_0);
-
-	rtc_sh_get_time(&ts2);
-
-	do {
-		rtc_sh_get_time(&ts1);
-	} while (ts1.tv_nsec == ts2.tv_nsec && ts1.tv_sec == ts2.tv_sec);
-
-	/* actually start the timer */
-	ctrl_outw(ctrl_inw(CMT_CMSTR) | 0x01, CMT_CMSTR);
-
-	do {
-		rtc_sh_get_time(&ts2);
-	} while (ts1.tv_nsec == ts2.tv_nsec && ts1.tv_sec == ts2.tv_sec);
-
-	freq = 0xffff - ctrl_inw(CMT_CMCNT_0);
-	if (ts2.tv_nsec < ts1.tv_nsec) {
-		ts2.tv_nsec += 1000000000;
-		ts2.tv_sec--;
-	}
-
-	diff_nsec = (ts2.tv_sec - ts1.tv_sec) * 1000000000 + (ts2.tv_nsec - ts1.tv_nsec);
-
-	/* this should work well if the RTC has a precision of n Hz, where
-	 * n is an integer.  I don't think we have to worry about the other
-	 * cases. */
-	factor = (1000000000 + diff_nsec/2) / diff_nsec;
-
-	if (factor * diff_nsec > 1100000000 ||
-	    factor * diff_nsec <  900000000)
-		panic("weird RTC (diff_nsec %ld)", diff_nsec);
-
-	return freq * factor;
-}
-
 static void cmt_clk_init(struct clk *clk)
 {
 	u8 divisor = CMT_CMCSR_INIT & 0x3;
@@ -245,12 +192,12 @@ struct sys_timer_ops cmt_timer_ops = {
 	.init		= cmt_timer_init,
 	.start		= cmt_timer_start,
 	.stop		= cmt_timer_stop,
-	.get_frequency	= cmt_timer_get_frequency,
+#ifndef CONFIG_GENERIC_TIME
 	.get_offset	= cmt_timer_get_offset,
+#endif
 };
 
 struct sys_timer cmt_timer = {
 	.name	= "cmt",
 	.ops	= &cmt_timer_ops,
 };
-
diff --git a/arch/sh/kernel/timers/timer-mtu2.c b/arch/sh/kernel/timers/timer-mtu2.c
index 73a5ef3c457d..045b2aba13fa 100644
--- a/arch/sh/kernel/timers/timer-mtu2.c
+++ b/arch/sh/kernel/timers/timer-mtu2.c
@@ -98,8 +98,7 @@ static unsigned long mtu2_timer_get_offset(void)
 	return count;
 }
 
-static irqreturn_t mtu2_timer_interrupt(int irq, void *dev_id,
-				       struct pt_regs *regs)
+static irqreturn_t mtu2_timer_interrupt(int irq, void *dev_id)
 {
 	unsigned long timer_status;
 
@@ -110,7 +109,7 @@ static irqreturn_t mtu2_timer_interrupt(int irq, void *dev_id,
 
 	/* Do timer tick */
 	write_seqlock(&xtime_lock);
-	handle_timer_tick(regs);
+	handle_timer_tick();
 	write_sequnlock(&xtime_lock);
 
 	return IRQ_HANDLED;
@@ -119,62 +118,10 @@ static irqreturn_t mtu2_timer_interrupt(int irq, void *dev_id,
 static struct irqaction mtu2_irq = {
 	.name		= "timer",
 	.handler	= mtu2_timer_interrupt,
-	.flags		= SA_INTERRUPT,
+	.flags		= IRQF_DISABLED,
 	.mask		= CPU_MASK_NONE,
 };
 
-/*
- * Hah!  We'll see if this works (switching from usecs to nsecs).
- */
-static unsigned long mtu2_timer_get_frequency(void)
-{
-	u32 freq;
-	struct timespec ts1, ts2;
-	unsigned long diff_nsec;
-	unsigned long factor;
-
-	/* Setup the timer:  We don't want to generate interrupts, just
-	 * have it count down at its natural rate.
-	 */
-	
-	ctrl_outb(ctrl_inb(MTU2_TSTR) & ~MTU2_TSTR_CST1, MTU2_TSTR);
-	ctrl_outb(MTU2_TCR_CALIB, MTU2_TCR_1);
-	ctrl_outb(ctrl_inb(MTU2_TIER_1) & ~MTU2_TIER_TGIEA, MTU2_TIER_1);
-	ctrl_outw(0, MTU2_TCNT_1);
-
-	rtc_get_time(&ts2);
-
-	do {
-		rtc_get_time(&ts1);
-	} while (ts1.tv_nsec == ts2.tv_nsec && ts1.tv_sec == ts2.tv_sec);
-
-	/* actually start the timer */
-	ctrl_outw(ctrl_inw(CMT_CMSTR) | 0x01, CMT_CMSTR);
-
-	do {
-		rtc_get_time(&ts2);
-	} while (ts1.tv_nsec == ts2.tv_nsec && ts1.tv_sec == ts2.tv_sec);
-
-	freq = ctrl_inw(MTU2_TCNT_0);
-	if (ts2.tv_nsec < ts1.tv_nsec) {
-		ts2.tv_nsec += 1000000000;
-		ts2.tv_sec--;
-	}
-
-	diff_nsec = (ts2.tv_sec - ts1.tv_sec) * 1000000000 + (ts2.tv_nsec - ts1.tv_nsec);
-
-	/* this should work well if the RTC has a precision of n Hz, where
-	 * n is an integer.  I don't think we have to worry about the other
-	 * cases. */
-	factor = (1000000000 + diff_nsec/2) / diff_nsec;
-
-	if (factor * diff_nsec > 1100000000 ||
-	    factor * diff_nsec <  900000000)
-		panic("weird RTC (diff_nsec %ld)", diff_nsec);
-
-	return freq * factor;
-}
-
 static unsigned int divisors[] = { 1, 4, 16, 64, 1, 1, 256 };
 
 static void mtu2_clk_init(struct clk *clk)
@@ -250,8 +197,9 @@ struct sys_timer_ops mtu2_timer_ops = {
 	.init		= mtu2_timer_init,
 	.start		= mtu2_timer_start,
 	.stop		= mtu2_timer_stop,
-	.get_frequency	= mtu2_timer_get_frequency,
+#ifndef CONFIG_GENERIC_TIME
 	.get_offset	= mtu2_timer_get_offset,
+#endif
 };
 
 struct sys_timer mtu2_timer = {
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index 1edec2709efe..f558748d7543 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -107,8 +107,6 @@ static inline void die_if_kernel(const char *str, struct pt_regs *regs,
 		die(str, regs, err);
 }
 
-static int handle_unaligned_notify_count = 10;
-
 /*
  * try and fix up kernelspace address errors
  * - userspace errors just cause EFAULT to be returned, resulting in SEGV
@@ -347,6 +345,13 @@ static inline int handle_unaligned_delayslot(struct pt_regs *regs)
 #define SH_PC_8BIT_OFFSET(instr) ((((signed char)(instr))*2) + 4)
 #define SH_PC_12BIT_OFFSET(instr) ((((signed short)(instr<<4))>>3) + 4)
 
+/*
+ * XXX: SH-2A needs this too, but it needs an overhaul thanks to mixed 32-bit
+ * opcodes..
+ */
+#ifndef CONFIG_CPU_SH2A
+static int handle_unaligned_notify_count = 10;
+
 static int handle_unaligned_access(u16 instruction, struct pt_regs *regs)
 {
 	u_int rm;
@@ -483,6 +488,7 @@ static int handle_unaligned_access(u16 instruction, struct pt_regs *regs)
 		regs->pc += 2;
 	return ret;
 }
+#endif /* CONFIG_CPU_SH2A */
 
 #ifdef CONFIG_CPU_HAS_SR_RB
 #define lookup_exception_vector(x)	\
@@ -501,8 +507,10 @@ asmlinkage void do_address_error(struct pt_regs *regs,
 {
 	unsigned long error_code = 0;
 	mm_segment_t oldfs;
+#ifndef CONFIG_CPU_SH2A
 	u16 instruction;
 	int tmp;
+#endif
 
 	/* Intentional ifdef */
 #ifdef CONFIG_CPU_HAS_SR_RB