diff options
Diffstat (limited to 'arch/arm/mach-shmobile/clock-sh7372.c')
-rw-r--r-- | arch/arm/mach-shmobile/clock-sh7372.c | 39 |
1 files changed, 10 insertions, 29 deletions
diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index 7db31e6c6bf2..3aa026069435 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c | |||
@@ -220,8 +220,7 @@ static void pllc2_disable(struct clk *clk) | |||
220 | __raw_writel(__raw_readl(PLLC2CR) & ~0x80000000, PLLC2CR); | 220 | __raw_writel(__raw_readl(PLLC2CR) & ~0x80000000, PLLC2CR); |
221 | } | 221 | } |
222 | 222 | ||
223 | static int pllc2_set_rate(struct clk *clk, | 223 | static int pllc2_set_rate(struct clk *clk, unsigned long rate) |
224 | unsigned long rate, int algo_id) | ||
225 | { | 224 | { |
226 | unsigned long value; | 225 | unsigned long value; |
227 | int idx; | 226 | int idx; |
@@ -230,21 +229,13 @@ static int pllc2_set_rate(struct clk *clk, | |||
230 | if (idx < 0) | 229 | if (idx < 0) |
231 | return idx; | 230 | return idx; |
232 | 231 | ||
233 | if (rate == clk->parent->rate) { | 232 | if (rate == clk->parent->rate) |
234 | pllc2_disable(clk); | 233 | return -EINVAL; |
235 | return 0; | ||
236 | } | ||
237 | 234 | ||
238 | value = __raw_readl(PLLC2CR) & ~(0x3f << 24); | 235 | value = __raw_readl(PLLC2CR) & ~(0x3f << 24); |
239 | 236 | ||
240 | if (value & 0x80000000) | ||
241 | pllc2_disable(clk); | ||
242 | |||
243 | __raw_writel((value & ~0x80000000) | ((idx + 19) << 24), PLLC2CR); | 237 | __raw_writel((value & ~0x80000000) | ((idx + 19) << 24), PLLC2CR); |
244 | 238 | ||
245 | if (value & 0x80000000) | ||
246 | return pllc2_enable(clk); | ||
247 | |||
248 | return 0; | 239 | return 0; |
249 | } | 240 | } |
250 | 241 | ||
@@ -453,32 +444,24 @@ static int fsidiv_enable(struct clk *clk) | |||
453 | unsigned long value; | 444 | unsigned long value; |
454 | 445 | ||
455 | value = __raw_readl(clk->mapping->base) >> 16; | 446 | value = __raw_readl(clk->mapping->base) >> 16; |
456 | if (value < 2) { | 447 | if (value < 2) |
457 | fsidiv_disable(clk); | 448 | return -EIO; |
458 | return -ENOENT; | ||
459 | } | ||
460 | 449 | ||
461 | __raw_writel((value << 16) | 0x3, clk->mapping->base); | 450 | __raw_writel((value << 16) | 0x3, clk->mapping->base); |
462 | 451 | ||
463 | return 0; | 452 | return 0; |
464 | } | 453 | } |
465 | 454 | ||
466 | static int fsidiv_set_rate(struct clk *clk, | 455 | static int fsidiv_set_rate(struct clk *clk, unsigned long rate) |
467 | unsigned long rate, int algo_id) | ||
468 | { | 456 | { |
469 | int idx; | 457 | int idx; |
470 | 458 | ||
471 | if (clk->parent->rate == rate) { | ||
472 | fsidiv_disable(clk); | ||
473 | return 0; | ||
474 | } | ||
475 | |||
476 | idx = (clk->parent->rate / rate) & 0xffff; | 459 | idx = (clk->parent->rate / rate) & 0xffff; |
477 | if (idx < 2) | 460 | if (idx < 2) |
478 | return -ENOENT; | 461 | return -EINVAL; |
479 | 462 | ||
480 | __raw_writel(idx << 16, clk->mapping->base); | 463 | __raw_writel(idx << 16, clk->mapping->base); |
481 | return fsidiv_enable(clk); | 464 | return 0; |
482 | } | 465 | } |
483 | 466 | ||
484 | static struct clk_ops fsidiv_clk_ops = { | 467 | static struct clk_ops fsidiv_clk_ops = { |
@@ -609,8 +592,6 @@ static struct clk_lookup lookups[] = { | |||
609 | CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]), | 592 | CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]), |
610 | CLKDEV_CON_ID("fmsi_clk", &div6_clks[DIV6_FMSI]), | 593 | CLKDEV_CON_ID("fmsi_clk", &div6_clks[DIV6_FMSI]), |
611 | CLKDEV_CON_ID("fmso_clk", &div6_clks[DIV6_FMSO]), | 594 | CLKDEV_CON_ID("fmso_clk", &div6_clks[DIV6_FMSO]), |
612 | CLKDEV_CON_ID("fsia_clk", &div6_reparent_clks[DIV6_FSIA]), | ||
613 | CLKDEV_CON_ID("fsib_clk", &div6_reparent_clks[DIV6_FSIB]), | ||
614 | CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]), | 595 | CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]), |
615 | CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]), | 596 | CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]), |
616 | CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]), | 597 | CLKDEV_CON_ID("vou_clk", &div6_clks[DIV6_VOU]), |
@@ -647,8 +628,8 @@ static struct clk_lookup lookups[] = { | |||
647 | CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */ | 628 | CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */ |
648 | CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI2 */ | 629 | CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI2 */ |
649 | CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */ | 630 | CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */ |
650 | CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP323]), /* USB0 */ | 631 | CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP322]), /* USB0 */ |
651 | CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP323]), /* USB0 */ | 632 | CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP322]), /* USB0 */ |
652 | CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ | 633 | CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ |
653 | CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ | 634 | CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ |
654 | CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */ | 635 | CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */ |