From: Bean Huo <beanhuo@xxxxxxxxxx>
In case CQE is enabled, the timeout value of data transmission is always
set to be maximum in sdhci_cqe_enable(), so, calculating its timeout value
is obviously superfluous. Change to return directly, which can save some CPU
cycle time.
Signed-off-by: Bean Huo <beanhuo@xxxxxxxxxx>
---
drivers/mmc/core/core.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 240c5af793dc..0b571a3bc988 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -649,6 +649,7 @@ EXPORT_SYMBOL(mmc_wait_for_cmd);
void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
{
unsigned int mult;
+ struct mmc_host *host = card->host;
/*
* SDIO cards only define an upper 1 s limit on access.
@@ -659,6 +660,13 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
return;
}
+ /*
+ * In case CQE is enabled, the timeout will be set a maximum timeout in
+ * sdhci_cqe_enable(), so, no need to go through the below algorithm.
+ */
+ if (host->cqe_enabled)
+ return;
+
/*
* SD cards use a 100 multiplier rather than 10
*/
--
2.25.1
