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mmc: core: Refactor code to register the MMC PM notifier

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Instead of checking for "#ifdef" directly in the code, let's invent a pair
of mmc core functions to deal with register/unregister the MMC PM notifier
block. Implement stubs for these functions when CONFIG_PM_SLEEP is unset,
as in that case the PM notifiers isn't used.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Ulf Hansson
2015-11-05 16:11:12 +01:00
parent 7b6471a968
commit 8dede18e2e
4 changed files with 26 additions and 12 deletions
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4
include/linux/mmc/host.h
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@@ -212,7 +212,9 @@ struct mmc_host {
u32 ocr_avail_sdio; /* SDIO-specific OCR */
u32 ocr_avail_sd; /* SD-specific OCR */
u32 ocr_avail_mmc; /* MMC-specific OCR */
#ifdef CONFIG_PM_SLEEP
struct notifier_block pm_notify;
#endif
u32 max_current_330;
u32 max_current_300;
u32 max_current_180;
@@ -433,8 +435,6 @@ static inline int mmc_regulator_set_vqmmc(struct mmc_host *mmc,
int mmc_regulator_get_supply(struct mmc_host *mmc);
int mmc_pm_notify(struct notifier_block *notify_block, unsigned long, void *);
static inline int mmc_card_is_removable(struct mmc_host *host)
{
return !(host->caps & MMC_CAP_NONREMOVABLE);