Merge branch 'sh/urgent' into sh-latest

8 files changed, 56 insertions, 42 deletions

diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 2eaeb9e5958..f48c492a68d 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -720,32 +720,6 @@ static struct platform_device camera_devices[] = {
 };
 
 /* FSI */
-/*
- * FSI-B use external clock which came from da7210.
- * So, we should change parent of fsi
- */
-#define FCLKBCR		0xa415000c
-static void fsimck_init(struct clk *clk)
-{
-	u32 status = __raw_readl(clk->enable_reg);
-
-	/* use external clock */
-	status &= ~0x000000ff;
-	status |= 0x00000080;
-
-	__raw_writel(status, clk->enable_reg);
-}
-
-static struct clk_ops fsimck_clk_ops = {
-	.init = fsimck_init,
-};
-
-static struct clk fsimckb_clk = {
-	.ops		= &fsimck_clk_ops,
-	.enable_reg	= (void __iomem *)FCLKBCR,
-	.rate		= 0, /* unknown */
-};
-
 static struct sh_fsi_platform_info fsi_info = {
 	.portb_flags = SH_FSI_BRS_INV |
 		       SH_FSI_OUT_SLAVE_MODE |
@@ -1264,10 +1238,10 @@ static int __init arch_setup(void)
 	/* change parent of FSI B */
 	clk = clk_get(NULL, "fsib_clk");
 	if (!IS_ERR(clk)) {
-		clk_register(&fsimckb_clk);
-		clk_set_parent(clk, &fsimckb_clk);
-		clk_set_rate(clk, 11000);
-		clk_set_rate(&fsimckb_clk, 11000);
+		/* 48kHz dummy clock was used to make sure 1/1 divide */
+		clk_set_rate(&sh7724_fsimckb_clk, 48000);
+		clk_set_parent(clk, &sh7724_fsimckb_clk);
+		clk_set_rate(clk, 48000);
 		clk_put(clk);
 	}
 
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index c31d228fdfc..673530500e2 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -871,14 +871,14 @@ static int __init devices_setup(void)
 
 	/* set SPU2 clock to 83.4 MHz */
 	clk = clk_get(NULL, "spu_clk");
-	if (clk) {
+	if (!IS_ERR(clk)) {
 		clk_set_rate(clk, clk_round_rate(clk, 83333333));
 		clk_put(clk);
 	}
 
 	/* change parent of FSI A */
 	clk = clk_get(NULL, "fsia_clk");
-	if (clk) {
+	if (!IS_ERR(clk)) {
 		clk_register(&fsimcka_clk);
 		clk_set_parent(clk, &fsimcka_clk);
 		clk_set_rate(clk, 11000);
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index 46d5179c9f4..e3c73cdd8c9 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -199,10 +199,13 @@ extern unsigned long get_wchan(struct task_struct *p);
 #define ARCH_HAS_PREFETCHW
 static inline void prefetch(void *x)
 {
-	__asm__ __volatile__ ("pref @%0\n\t" : : "r" (x) : "memory");
+	__builtin_prefetch(x, 0, 3);
 }
 
-#define prefetchw(x)	prefetch(x)
+static inline void prefetchw(void *x)
+{
+	__builtin_prefetch(x, 1, 3);
+}
 #endif
 
 #endif /* __KERNEL__ */
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7724.h b/arch/sh/include/cpu-sh4/cpu/sh7724.h
index 4c27b68789b..7eb43599942 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7724.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7724.h
@@ -303,4 +303,7 @@ enum {
 	SHDMA_SLAVE_SDHI1_RX,
 };
 
+extern struct clk sh7724_fsimcka_clk;
+extern struct clk sh7724_fsimckb_clk;
+
 #endif /* __ASM_SH7724_H__ */
diff --git a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
index 4eabc68cd75..b601fa3978d 100644
--- a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
+++ b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
@@ -110,7 +110,7 @@ static int shoc_clk_verify_rate(struct clk *clk, unsigned long rate)
 	return 0;
 }
 
-static int shoc_clk_set_rate(struct clk *clk, unsigned long rate, int algo_id)
+static int shoc_clk_set_rate(struct clk *clk, unsigned long rate)
 {
 	unsigned long frqcr3;
 	unsigned int tmp;
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index 0fe2e9329cb..271c0b325a9 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -111,12 +111,21 @@ static struct clk div3_clk = {
 	.parent		= &pll_clk,
 };
 
+/* External input clock (pin name: FSIMCKA/FSIMCKB ) */
+struct clk sh7724_fsimcka_clk = {
+};
+
+struct clk sh7724_fsimckb_clk = {
+};
+
 static struct clk *main_clks[] = {
 	&r_clk,
 	&extal_clk,
 	&fll_clk,
 	&pll_clk,
 	&div3_clk,
+	&sh7724_fsimcka_clk,
+	&sh7724_fsimckb_clk,
 };
 
 static void div4_kick(struct clk *clk)
@@ -154,16 +163,38 @@ struct clk div4_clks[DIV4_NR] = {
 	[DIV4_M1] = DIV4(FRQCRB, 4, 0x2f7c, CLK_ENABLE_ON_INIT),
 };
 
-enum { DIV6_V, DIV6_FA, DIV6_FB, DIV6_I, DIV6_S, DIV6_NR };
+enum { DIV6_V, DIV6_I, DIV6_S, DIV6_NR };
 
 static struct clk div6_clks[DIV6_NR] = {
 	[DIV6_V] = SH_CLK_DIV6(&div3_clk, VCLKCR, 0),
-	[DIV6_FA] = SH_CLK_DIV6(&div3_clk, FCLKACR, 0),
-	[DIV6_FB] = SH_CLK_DIV6(&div3_clk, FCLKBCR, 0),
 	[DIV6_I] = SH_CLK_DIV6(&div3_clk, IRDACLKCR, 0),
 	[DIV6_S] = SH_CLK_DIV6(&div3_clk, SPUCLKCR, CLK_ENABLE_ON_INIT),
 };
 
+enum { DIV6_FA, DIV6_FB, DIV6_REPARENT_NR };
+
+/* Indices are important - they are the actual src selecting values */
+static struct clk *fclkacr_parent[] = {
+	[0] = &div3_clk,
+	[1] = NULL,
+	[2] = &sh7724_fsimcka_clk,
+	[3] = NULL,
+};
+
+static struct clk *fclkbcr_parent[] = {
+	[0] = &div3_clk,
+	[1] = NULL,
+	[2] = &sh7724_fsimckb_clk,
+	[3] = NULL,
+};
+
+static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
+	[DIV6_FA] = SH_CLK_DIV6_EXT(&div3_clk, FCLKACR, 0,
+				      fclkacr_parent, ARRAY_SIZE(fclkacr_parent), 6, 2),
+	[DIV6_FB] = SH_CLK_DIV6_EXT(&div3_clk, FCLKBCR, 0,
+				      fclkbcr_parent, ARRAY_SIZE(fclkbcr_parent), 6, 2),
+};
+
 static struct clk mstp_clks[HWBLK_NR] = {
 	SH_HWBLK_CLK(HWBLK_TLB, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
 	SH_HWBLK_CLK(HWBLK_IC, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
@@ -240,8 +271,8 @@ static struct clk_lookup lookups[] = {
 
 	/* DIV6 clocks */
 	CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]),
-	CLKDEV_CON_ID("fsia_clk", &div6_clks[DIV6_FA]),
-	CLKDEV_CON_ID("fsib_clk", &div6_clks[DIV6_FB]),
+	CLKDEV_CON_ID("fsia_clk", &div6_reparent_clks[DIV6_FA]),
+	CLKDEV_CON_ID("fsib_clk", &div6_reparent_clks[DIV6_FB]),
 	CLKDEV_CON_ID("irda_clk", &div6_clks[DIV6_I]),
 	CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_S]),
 
@@ -376,6 +407,9 @@ int __init arch_clk_init(void)
 		ret = sh_clk_div6_register(div6_clks, DIV6_NR);
 
 	if (!ret)
+		ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_REPARENT_NR);
+
+	if (!ret)
 		ret = sh_hwblk_clk_register(mstp_clks, HWBLK_NR);
 
 	return ret;
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 81f58371613..8c6a350df75 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -88,7 +88,7 @@ asmlinkage int sys_cacheflush(unsigned long addr, unsigned long len, int op)
 	}
 
 	if (op & CACHEFLUSH_I)
-		flush_cache_all();
+		flush_icache_range(addr, addr+len);
 
 	up_read(&current->mm->mmap_sem);
 	return 0;
diff --git a/arch/sh/kernel/vsyscall/vsyscall-trapa.S b/arch/sh/kernel/vsyscall/vsyscall-trapa.S
index 3b6eb34c43f..3e70f851cdc 100644
--- a/arch/sh/kernel/vsyscall/vsyscall-trapa.S
+++ b/arch/sh/kernel/vsyscall/vsyscall-trapa.S
@@ -8,9 +8,9 @@ __kernel_vsyscall:
 	 * fill out .eh_frame -- PFM. */
 .LEND_vsyscall:
 	.size __kernel_vsyscall,.-.LSTART_vsyscall
-	.previous
 
 	.section .eh_frame,"a",@progbits
+	.previous
 .LCIE:
 	.ualong	.LCIE_end - .LCIE_start
 .LCIE_start: