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-rw-r--r--drivers/mmc/core/core.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 23fb2c39d9ed..d84c880fac84 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -708,7 +708,13 @@ static void mmc_power_up(struct mmc_host *host)
*/
mmc_delay(10);
- host->ios.clock = host->f_min;
+ if (host->f_min > 400000) {
+ pr_warning("%s: Minimum clock frequency too high for "
+ "identification mode\n", mmc_hostname(host));
+ host->ios.clock = host->f_min;
+ } else
+ host->ios.clock = 400000;
+
host->ios.power_mode = MMC_POWER_ON;
mmc_set_ios(host);