diff options
Diffstat (limited to 'arch/arm/mach-omap2/hsmmc.c')
-rw-r--r-- | arch/arm/mach-omap2/hsmmc.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index bd844af13af5..19dd1657245c 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c | |||
@@ -175,14 +175,15 @@ static void hsmmc2_select_input_clk_src(struct omap_mmc_platform_data *mmc) | |||
175 | { | 175 | { |
176 | u32 reg; | 176 | u32 reg; |
177 | 177 | ||
178 | if (mmc->slots[0].internal_clock) { | 178 | reg = omap_ctrl_readl(control_devconf1_offset); |
179 | reg = omap_ctrl_readl(control_devconf1_offset); | 179 | if (mmc->slots[0].internal_clock) |
180 | reg |= OMAP2_MMCSDIO2ADPCLKISEL; | 180 | reg |= OMAP2_MMCSDIO2ADPCLKISEL; |
181 | omap_ctrl_writel(reg, control_devconf1_offset); | 181 | else |
182 | } | 182 | reg &= ~OMAP2_MMCSDIO2ADPCLKISEL; |
183 | omap_ctrl_writel(reg, control_devconf1_offset); | ||
183 | } | 184 | } |
184 | 185 | ||
185 | static void hsmmc23_before_set_reg(struct device *dev, int slot, | 186 | static void hsmmc2_before_set_reg(struct device *dev, int slot, |
186 | int power_on, int vdd) | 187 | int power_on, int vdd) |
187 | { | 188 | { |
188 | struct omap_mmc_platform_data *mmc = dev->platform_data; | 189 | struct omap_mmc_platform_data *mmc = dev->platform_data; |
@@ -292,8 +293,8 @@ static inline void omap_hsmmc_mux(struct omap_mmc_platform_data *mmc_controller, | |||
292 | } | 293 | } |
293 | } | 294 | } |
294 | 295 | ||
295 | static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, | 296 | static int omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, |
296 | struct omap_mmc_platform_data *mmc) | 297 | struct omap_mmc_platform_data *mmc) |
297 | { | 298 | { |
298 | char *hc_name; | 299 | char *hc_name; |
299 | 300 | ||
@@ -407,14 +408,13 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, | |||
407 | c->caps &= ~MMC_CAP_8_BIT_DATA; | 408 | c->caps &= ~MMC_CAP_8_BIT_DATA; |
408 | c->caps |= MMC_CAP_4_BIT_DATA; | 409 | c->caps |= MMC_CAP_4_BIT_DATA; |
409 | } | 410 | } |
410 | /* FALLTHROUGH */ | ||
411 | case 3: | ||
412 | if (mmc->slots[0].features & HSMMC_HAS_PBIAS) { | 411 | if (mmc->slots[0].features & HSMMC_HAS_PBIAS) { |
413 | /* off-chip level shifting, or none */ | 412 | /* off-chip level shifting, or none */ |
414 | mmc->slots[0].before_set_reg = hsmmc23_before_set_reg; | 413 | mmc->slots[0].before_set_reg = hsmmc2_before_set_reg; |
415 | mmc->slots[0].after_set_reg = NULL; | 414 | mmc->slots[0].after_set_reg = NULL; |
416 | } | 415 | } |
417 | break; | 416 | break; |
417 | case 3: | ||
418 | case 4: | 418 | case 4: |
419 | case 5: | 419 | case 5: |
420 | mmc->slots[0].before_set_reg = NULL; | 420 | mmc->slots[0].before_set_reg = NULL; |
@@ -428,9 +428,10 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, | |||
428 | return 0; | 428 | return 0; |
429 | } | 429 | } |
430 | 430 | ||
431 | static int omap_hsmmc_done; | ||
431 | #define MAX_OMAP_MMC_HWMOD_NAME_LEN 16 | 432 | #define MAX_OMAP_MMC_HWMOD_NAME_LEN 16 |
432 | 433 | ||
433 | void __init omap_init_hsmmc(struct omap2_hsmmc_info *hsmmcinfo, int ctrl_nr) | 434 | void omap_init_hsmmc(struct omap2_hsmmc_info *hsmmcinfo, int ctrl_nr) |
434 | { | 435 | { |
435 | struct omap_hwmod *oh; | 436 | struct omap_hwmod *oh; |
436 | struct platform_device *pdev; | 437 | struct platform_device *pdev; |
@@ -487,10 +488,15 @@ done: | |||
487 | kfree(mmc_data); | 488 | kfree(mmc_data); |
488 | } | 489 | } |
489 | 490 | ||
490 | void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers) | 491 | void omap2_hsmmc_init(struct omap2_hsmmc_info *controllers) |
491 | { | 492 | { |
492 | u32 reg; | 493 | u32 reg; |
493 | 494 | ||
495 | if (omap_hsmmc_done) | ||
496 | return; | ||
497 | |||
498 | omap_hsmmc_done = 1; | ||
499 | |||
494 | if (!cpu_is_omap44xx()) { | 500 | if (!cpu_is_omap44xx()) { |
495 | if (cpu_is_omap2430()) { | 501 | if (cpu_is_omap2430()) { |
496 | control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE; | 502 | control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE; |