evie/android_kernel_oneplus_msm8998
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Merge "mmc: core: Update the logic of controlling clk scaling through sysfs"

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Linux Build Service Account 2017-05-01 00:11:58 -07:00 • committed by Gerrit - the friendly Code Review server
commit 6e0bd9c66b
1 changed files with 6 additions and 6 deletions
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12
drivers/mmc/core/host.c
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@ -653,19 +653,19 @@ static ssize_t store_enable(struct device *dev,
mmc_get_card(host->card);
if (!value) {
/*turning off clock scaling*/
mmc_exit_clk_scaling(host);
/* Suspend the clock scaling and mask host capability */
if (host->clk_scaling.enable)
mmc_suspend_clk_scaling(host);
host->caps2 &= ~MMC_CAP2_CLK_SCALE;
host->clk_scaling.state = MMC_LOAD_HIGH;
/* Set to max. frequency when disabling */
mmc_clk_update_freq(host, host->card->clk_scaling_highest,
host->clk_scaling.state);
} else if (value) {
/* starting clock scaling, will restart in case started */
/* Unmask host capability and resume scaling */
host->caps2 |= MMC_CAP2_CLK_SCALE;
if (host->clk_scaling.enable)
mmc_exit_clk_scaling(host);
mmc_init_clk_scaling(host);
if (!host->clk_scaling.enable)
mmc_resume_clk_scaling(host);
}
mmc_put_card(host->card);