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authorLinus Torvalds <torvalds@linux-foundation.org>2010-11-27 07:17:16 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2010-11-27 07:17:16 +0900
commitd4d2ad948e9a9c316e72fdc09d7490dfda4773da (patch)
tree38c50fa58d76fa90004a3bab593a6fa353dc1a33 /arch/arm/mach-shmobile/clock-sh7372.c
parent5c3b9bac28c62151f133a944fe14df5e153ae493 (diff)
parent540565257101f7c52b6fc5a57651f7505f8d20fe (diff)
Merge branch 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: ARM: mach-shmobile: clock-sh7372: remove bogus pllc2 clock toggling. ARM: mach-shmobile: clock-sh7372: remove unnecessary fsi clocks ARM: mach-shmobile: clock-sh7372: modify error code ARM: mach-shmobile: ap4evb: FSI clock use proper process for ak4642 ARM: mach-shmobile: ap4evb: FSI clock use proper process for HDMI ARM: mach-shmobile: clock-sh7372: remove fsidiv bogus disable ARM: mach-shmobile: sh7372 USB0/IIC1 MSTP fix
Diffstat (limited to 'arch/arm/mach-shmobile/clock-sh7372.c')
-rw-r--r--arch/arm/mach-shmobile/clock-sh7372.c33
1 files changed, 8 insertions, 25 deletions
diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c
index b25ce90a346..3aa02606943 100644
--- a/arch/arm/mach-shmobile/clock-sh7372.c
+++ b/arch/arm/mach-shmobile/clock-sh7372.c
@@ -229,21 +229,13 @@ static int pllc2_set_rate(struct clk *clk, unsigned long rate)
if (idx < 0)
return idx;
- if (rate == clk->parent->rate) {
- pllc2_disable(clk);
- return 0;
- }
+ if (rate == clk->parent->rate)
+ return -EINVAL;
value = __raw_readl(PLLC2CR) & ~(0x3f << 24);
- if (value & 0x80000000)
- pllc2_disable(clk);
-
__raw_writel((value & ~0x80000000) | ((idx + 19) << 24), PLLC2CR);
- if (value & 0x80000000)
- return pllc2_enable(clk);
-
return 0;
}
@@ -452,10 +444,8 @@ static int fsidiv_enable(struct clk *clk)
unsigned long value;
value = __raw_readl(clk->mapping->base) >> 16;
- if (value < 2) {
- fsidiv_disable(clk);
- return -ENOENT;
- }
+ if (value < 2)
+ return -EIO;
__raw_writel((value << 16) | 0x3, clk->mapping->base);
@@ -466,17 +456,12 @@ static int fsidiv_set_rate(struct clk *clk, unsigned long rate)
{
int idx;
- if (clk->parent->rate == rate) {
- fsidiv_disable(clk);
- return 0;
- }
-
idx = (clk->parent->rate / rate) & 0xffff;
if (idx < 2)
- return -ENOENT;
+ return -EINVAL;
__raw_writel(idx << 16, clk->mapping->base);
- return fsidiv_enable(clk);
+ return 0;
}
static struct clk_ops fsidiv_clk_ops = {
@@ -607,8 +592,6 @@ static struct clk_lookup lookups[] = {
CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]),
CLKDEV_CON_ID("fmsi_clk", &div6_clks[DIV6_FMSI]),
CLKDEV_CON_ID("fmso_clk", &div6_clks[DIV6_FMSO]),
- CLKDEV_CON_ID("fsia_clk", &div6_reparent_clks[DIV6_FSIA]),
- CLKDEV_CON_ID("fsib_clk", &div6_reparent_clks[DIV6_FSIB]),
CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]),
CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]),
CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]),
@@ -645,8 +628,8 @@ static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI2 */
CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */
- CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP323]), /* USB0 */
- CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP323]), /* USB0 */
+ CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP322]), /* USB0 */
+ CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP322]), /* USB0 */
CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */