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| author | Ben Chuang <ben.chuang@genesyslogic.com.tw> | 2019-08-27 08:32:42 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2019-09-11 15:58:39 +0200 |
| commit | 4a9e0d1a6256024582c225ce0d86b51e109062c4 (patch) | |
| tree | 723abfa77f772fe78a3cd50a93f1ed6e00a63d48 | |
| parent | 5c1a4f4070a831e2959f9ea4b9514d357d001feb (diff) | |
| download | linux-stable-4a9e0d1a6256024582c225ce0d86b51e109062c4.tar.gz linux-stable-4a9e0d1a6256024582c225ce0d86b51e109062c4.tar.bz2 linux-stable-4a9e0d1a6256024582c225ce0d86b51e109062c4.zip | |
mmc: sdhci: Change timeout of loop for checking internal clock stable
According to section 3.2.1 internal clock setup in SD Host Controller
Simplified Specifications 4.20, the timeout of loop for checking
internal clock stable is defined as 150ms.
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Co-developed-by: Michael K Johnson <johnsonm@danlj.org>
Signed-off-by: Michael K Johnson <johnsonm@danlj.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index a5dc5aae973e..40de56d6da0b 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1636,8 +1636,8 @@ void sdhci_enable_clk(struct sdhci_host *host, u16 clk) clk |= SDHCI_CLOCK_INT_EN; sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); - /* Wait max 20 ms */ - timeout = ktime_add_ms(ktime_get(), 20); + /* Wait max 150 ms */ + timeout = ktime_add_ms(ktime_get(), 150); while (1) { bool timedout = ktime_after(ktime_get(), timeout); |