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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.c44
1 files changed, 28 insertions, 16 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index bd8a0982aec..9ddef476354 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -898,8 +898,13 @@ static void sdhci_set_transfer_mode(struct sdhci_host *host,
u16 mode;
struct mmc_data *data = cmd->data;
- if (data == NULL)
+ if (data == NULL) {
+ /* clear Auto CMD settings for no data CMDs */
+ mode = sdhci_readw(host, SDHCI_TRANSFER_MODE);
+ sdhci_writew(host, mode & ~(SDHCI_TRNS_AUTO_CMD12 |
+ SDHCI_TRNS_AUTO_CMD23), SDHCI_TRANSFER_MODE);
return;
+ }
WARN_ON(!host->data);
@@ -1013,7 +1018,12 @@ void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
mdelay(1);
}
- mod_timer(&host->timer, jiffies + 10 * HZ);
+ timeout = jiffies;
+ if (!cmd->data && cmd->cmd_timeout_ms > 9000)
+ timeout += DIV_ROUND_UP(cmd->cmd_timeout_ms, 1000) * HZ + HZ;
+ else
+ timeout += 10 * HZ;
+ mod_timer(&host->timer, timeout);
host->cmd = cmd;
@@ -1391,6 +1401,13 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
mmc->card->type == MMC_TYPE_MMC ?
MMC_SEND_TUNING_BLOCK_HS200 :
MMC_SEND_TUNING_BLOCK;
+
+ /* Here we need to set the host->mrq to NULL,
+ * in case the pending finish_tasklet
+ * finishes it incorrectly.
+ */
+ host->mrq = NULL;
+
spin_unlock_irqrestore(&host->lock, flags);
sdhci_execute_tuning(mmc, tuning_opcode);
spin_lock_irqsave(&host->lock, flags);
@@ -1845,12 +1862,12 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
unsigned long timeout;
int err = 0;
bool requires_tuning_nonuhs = false;
+ unsigned long flags;
host = mmc_priv(mmc);
sdhci_runtime_pm_get(host);
- disable_irq(host->irq);
- spin_lock(&host->lock);
+ spin_lock_irqsave(&host->lock, flags);
ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2);
@@ -1870,15 +1887,13 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
requires_tuning_nonuhs)
ctrl |= SDHCI_CTRL_EXEC_TUNING;
else {
- spin_unlock(&host->lock);
- enable_irq(host->irq);
+ spin_unlock_irqrestore(&host->lock, flags);
sdhci_runtime_pm_put(host);
return 0;
}
if (host->ops->platform_execute_tuning) {
- spin_unlock(&host->lock);
- enable_irq(host->irq);
+ spin_unlock_irqrestore(&host->lock, flags);
err = host->ops->platform_execute_tuning(host, opcode);
sdhci_runtime_pm_put(host);
return err;
@@ -1951,15 +1966,12 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
host->cmd = NULL;
host->mrq = NULL;
- spin_unlock(&host->lock);
- enable_irq(host->irq);
-
+ spin_unlock_irqrestore(&host->lock, flags);
/* Wait for Buffer Read Ready interrupt */
wait_event_interruptible_timeout(host->buf_ready_int,
(host->tuning_done == 1),
msecs_to_jiffies(50));
- disable_irq(host->irq);
- spin_lock(&host->lock);
+ spin_lock_irqsave(&host->lock, flags);
if (!host->tuning_done) {
pr_info(DRIVER_NAME ": Timeout waiting for "
@@ -2034,8 +2046,7 @@ out:
err = 0;
sdhci_clear_set_irqs(host, SDHCI_INT_DATA_AVAIL, ier);
- spin_unlock(&host->lock);
- enable_irq(host->irq);
+ spin_unlock_irqrestore(&host->lock, flags);
sdhci_runtime_pm_put(host);
return err;
@@ -3004,7 +3015,8 @@ int sdhci_add_host(struct sdhci_host *host)
/* SD3.0: SDR104 is supported so (for eMMC) the caps2
* field can be promoted to support HS200.
*/
- mmc->caps2 |= MMC_CAP2_HS200;
+ if (!(host->quirks2 & SDHCI_QUIRK2_BROKEN_HS200))
+ mmc->caps2 |= MMC_CAP2_HS200;
} else if (caps[1] & SDHCI_SUPPORT_SDR50)
mmc->caps |= MMC_CAP_UHS_SDR50;