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| author | Subhash Jadavani <subhashj@codeaurora.org> | 2017-01-10 12:30:49 +0530 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-02-13 13:20:30 +0100 |
| commit | 083c9aa0ad480af8a4b4b0f6be3bdca847cc211d (patch) | |
| tree | 844c76358b642126726e40d45752f9f9c62f4a00 /drivers/mmc/host/sdhci-msm.c | |
| parent | 5574ddcc60aaf71372f4f546acfd988ea433f50d (diff) | |
| download | linux-083c9aa0ad480af8a4b4b0f6be3bdca847cc211d.tar.gz linux-083c9aa0ad480af8a4b4b0f6be3bdca847cc211d.tar.bz2 linux-083c9aa0ad480af8a4b4b0f6be3bdca847cc211d.zip | |
mmc: sdhci-msm: configure CORE_CSR_CDC_DELAY_CFG to recommended value
Program CORE_CSR_CDC_DELAY_CFG for hardware recommended 1.25ns delay.
We may see data CRC errors if it's programmed for any other delay
value.
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
Tested-by: Jeremy McNicoll <jeremymc@redhat.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-msm.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-msm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index a028568081a0..84d29dd2cc9e 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -679,7 +679,7 @@ static int sdhci_msm_cdclp533_calibration(struct sdhci_host *host) writel_relaxed(0x4, host->ioaddr + CORE_CSR_CDC_CAL_TIMER_CFG1); writel_relaxed(0xCB732020, host->ioaddr + CORE_CSR_CDC_REFCOUNT_CFG); writel_relaxed(0xB19, host->ioaddr + CORE_CSR_CDC_COARSE_CAL_CFG); - writel_relaxed(0x3AC, host->ioaddr + CORE_CSR_CDC_DELAY_CFG); + writel_relaxed(0x4E2, host->ioaddr + CORE_CSR_CDC_DELAY_CFG); writel_relaxed(0x0, host->ioaddr + CORE_CDC_OFFSET_CFG); writel_relaxed(0x16334, host->ioaddr + CORE_CDC_SLAVE_DDA_CFG); |