diff options
| author | Sujit Reddy Thumma <sthumma@codeaurora.org> | 2012-02-04 21:14:50 (GMT) |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2012-02-14 01:38:58 (GMT) |
| commit | 2c4967f741e87cdd63de7271b97807041dccbf3b (patch) | |
| tree | e9792b49e457393d275db4ab3948fa95f1ef57d6 /drivers/mmc/core/host.h | |
| parent | b6bf30d912ddc9a3ac2ce264a04e3ec6d4e74a34 (diff) | |
| download | linux-fsl-qoriq-2c4967f741e87cdd63de7271b97807041dccbf3b.tar.xz | |
mmc: core: Ensure clocks are always enabled before host interaction
Ensure clocks are always enabled before any interaction with the
host controller driver. This makes sure that there is no race
between host execution and the core layer turning off clocks
in different context with clock gating framework.
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Per Forlin <per.forlin@stericsson.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/core/host.h')
| -rw-r--r-- | drivers/mmc/core/host.h | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h index fb8a5cd..08a7852 100644 --- a/drivers/mmc/core/host.h +++ b/drivers/mmc/core/host.h @@ -14,27 +14,6 @@ int mmc_register_host_class(void); void mmc_unregister_host_class(void); - -#ifdef CONFIG_MMC_CLKGATE -void mmc_host_clk_hold(struct mmc_host *host); -void mmc_host_clk_release(struct mmc_host *host); -unsigned int mmc_host_clk_rate(struct mmc_host *host); - -#else -static inline void mmc_host_clk_hold(struct mmc_host *host) -{ -} - -static inline void mmc_host_clk_release(struct mmc_host *host) -{ -} - -static inline unsigned int mmc_host_clk_rate(struct mmc_host *host) -{ - return host->ios.clock; -} -#endif - void mmc_host_deeper_disable(struct work_struct *work); #endif |