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mmc: core: Remove unnecessary validations for bus_ops callbacks 

Due to the removal of the Kconfig option MMC_UNSAFE_RESUME, several
validations of a present bus_ops callback became redundant. Let's
remove these.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>
This commit is contained in:
Ulf Hansson 2013-10-30 23:15:30 +01:00 committed by Chris Ball
parent 2501c9179d
commit 5601aaf73e
2 changed files with 7 additions and 18 deletions
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12
drivers/mmc/core/bus.c
View File

@ -185,24 +185,16 @@ static int mmc_runtime_suspend(struct device *dev)
{ {
struct mmc_card *card = mmc_dev_to_card(dev); struct mmc_card *card = mmc_dev_to_card(dev);
struct mmc_host *host = card->host; struct mmc_host *host = card->host;
int ret = 0;
if (host->bus_ops->runtime_suspend) return host->bus_ops->runtime_suspend(host);
ret = host->bus_ops->runtime_suspend(host);
return ret;
} }
static int mmc_runtime_resume(struct device *dev) static int mmc_runtime_resume(struct device *dev)
{ {
struct mmc_card *card = mmc_dev_to_card(dev); struct mmc_card *card = mmc_dev_to_card(dev);
struct mmc_host *host = card->host; struct mmc_host *host = card->host;
int ret = 0;
if (host->bus_ops->runtime_resume) return host->bus_ops->runtime_resume(host);
ret = host->bus_ops->runtime_resume(host);
return ret;
} }
static int mmc_runtime_idle(struct device *dev) static int mmc_runtime_idle(struct device *dev)

13
drivers/mmc/core/core.c
View File

@ -2231,9 +2231,6 @@ static int mmc_do_hw_reset(struct mmc_host *host, int check)
{ {
struct mmc_card *card = host->card; struct mmc_card *card = host->card;
if (!host->bus_ops->power_restore)
return -EOPNOTSUPP;
if (!(host->caps & MMC_CAP_HW_RESET) || !host->ops->hw_reset) if (!(host->caps & MMC_CAP_HW_RESET) || !host->ops->hw_reset)
return -EOPNOTSUPP; return -EOPNOTSUPP;
@ -2335,7 +2332,7 @@ int _mmc_detect_card_removed(struct mmc_host *host)
{ {
int ret; int ret;
if ((host->caps & MMC_CAP_NONREMOVABLE) || !host->bus_ops->alive) if (host->caps & MMC_CAP_NONREMOVABLE)
return 0; return 0;
if (!host->card || mmc_card_removed(host->card)) if (!host->card || mmc_card_removed(host->card))
@ -2418,7 +2415,7 @@ void mmc_rescan(struct work_struct *work)
* if there is a _removable_ card registered, check whether it is * if there is a _removable_ card registered, check whether it is
* still present * still present
*/ */
if (host->bus_ops && host->bus_ops->detect && !host->bus_dead if (host->bus_ops && !host->bus_dead
&& !(host->caps & MMC_CAP_NONREMOVABLE)) && !(host->caps & MMC_CAP_NONREMOVABLE))
host->bus_ops->detect(host); host->bus_ops->detect(host);
@ -2520,7 +2517,7 @@ int mmc_power_save_host(struct mmc_host *host)
mmc_bus_get(host); mmc_bus_get(host);
if (!host->bus_ops || host->bus_dead || !host->bus_ops->power_restore) { if (!host->bus_ops || host->bus_dead) {
mmc_bus_put(host); mmc_bus_put(host);
return -EINVAL; return -EINVAL;
} }
@ -2546,7 +2543,7 @@ int mmc_power_restore_host(struct mmc_host *host)
mmc_bus_get(host); mmc_bus_get(host);
if (!host->bus_ops || host->bus_dead || !host->bus_ops->power_restore) { if (!host->bus_ops || host->bus_dead) {
mmc_bus_put(host); mmc_bus_put(host);
return -EINVAL; return -EINVAL;
} }
@ -2651,7 +2648,7 @@ int mmc_pm_notify(struct notifier_block *notify_block,
/* Validate prerequisites for suspend */ /* Validate prerequisites for suspend */
if (host->bus_ops->pre_suspend) if (host->bus_ops->pre_suspend)
err = host->bus_ops->pre_suspend(host); err = host->bus_ops->pre_suspend(host);
if (!err && host->bus_ops->suspend) if (!err)
break; break;
/* Calling bus_ops->remove() with a claimed host can deadlock */ /* Calling bus_ops->remove() with a claimed host can deadlock */