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authorThomas Gleixner <[email protected]>2018-06-22 21:20:35 +0200
committerThomas Gleixner <[email protected]>2018-06-22 21:20:35 +0200
commit7731b8bc94e599c9a79e428f3359ff2c34b7576a (patch)
tree879f18ccbe274122f2d4f095b43cbc7f953e0ada /drivers/mmc/core/sd.c
parent48e315618dc4dc8904182cd221e3d395d5d97005 (diff)
parent9ffc59d57228d74809700be6f7ecb1db10292f05 (diff)
Merge branch 'linus' into x86/urgent
Required to queue a dependent fix.
Diffstat (limited to 'drivers/mmc/core/sd.c')
-rw-r--r--drivers/mmc/core/sd.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index baf3d5da4ccb..d0d9f90e7cdf 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -1058,6 +1058,14 @@ retry:
mmc_set_bus_width(host, MMC_BUS_WIDTH_4);
}
}
+
+ if (host->caps2 & MMC_CAP2_AVOID_3_3V &&
+ host->ios.signal_voltage == MMC_SIGNAL_VOLTAGE_330) {
+ pr_err("%s: Host failed to negotiate down from 3.3V\n",
+ mmc_hostname(host));
+ err = -EINVAL;
+ goto free_card;
+ }
done:
host->card = card;
return 0;
@@ -1214,7 +1222,7 @@ static int mmc_sd_runtime_resume(struct mmc_host *host)
return 0;
}
-static int mmc_sd_reset(struct mmc_host *host)
+static int mmc_sd_hw_reset(struct mmc_host *host)
{
mmc_power_cycle(host, host->card->ocr);
return mmc_sd_init_card(host, host->card->ocr, host->card);
@@ -1229,7 +1237,7 @@ static const struct mmc_bus_ops mmc_sd_ops = {
.resume = mmc_sd_resume,
.alive = mmc_sd_alive,
.shutdown = mmc_sd_suspend,
- .reset = mmc_sd_reset,
+ .hw_reset = mmc_sd_hw_reset,
};
/*