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path: root/drivers/mmc/host/sdhci.c
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Diffstat (limited to 'drivers/mmc/host/sdhci.c')
-rw-r--r--drivers/mmc/host/sdhci.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 0def99590d16..9c1a099afbbe 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1362,7 +1362,9 @@ void sdhci_enable_clk(struct sdhci_host *host, u16 clk)
return;
}
timeout--;
- mdelay(1);
+ spin_unlock_irq(&host->lock);
+ usleep_range(900, 1100);
+ spin_lock_irq(&host->lock);
}
clk |= SDHCI_CLOCK_CARD_EN;
@@ -2021,8 +2023,8 @@ static void sdhci_send_tuning(struct sdhci_host *host, u32 opcode,
unsigned long flags)
{
struct mmc_host *mmc = host->mmc;
- struct mmc_command cmd = {0};
- struct mmc_request mrq = {NULL};
+ struct mmc_command cmd = {};
+ struct mmc_request mrq = {};
cmd.opcode = opcode;
cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC;
@@ -2114,7 +2116,6 @@ int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
spin_lock_irqsave(&host->lock, flags);
hs400_tuning = host->flags & SDHCI_HS400_TUNING;
- host->flags &= ~SDHCI_HS400_TUNING;
if (host->tuning_mode == SDHCI_TUNING_MODE_1)
tuning_count = host->tuning_count;
@@ -2156,7 +2157,9 @@ int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
if (host->ops->platform_execute_tuning) {
spin_unlock_irqrestore(&host->lock, flags);
- return host->ops->platform_execute_tuning(host, opcode);
+ err = host->ops->platform_execute_tuning(host, opcode);
+ spin_lock_irqsave(&host->lock, flags);
+ goto out_unlock;
}
host->mmc->retune_period = tuning_count;
@@ -2167,6 +2170,7 @@ int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
sdhci_end_tuning(host);
out_unlock:
+ host->flags &= ~SDHCI_HS400_TUNING;
spin_unlock_irqrestore(&host->lock, flags);
return err;
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