Commit cd13656b authored Mar 30, 2017 by Subhash Jadavani

mmc: sdhci: skip printing register dumps on CRC errors



On Certain chipsets, SDR104 mode might be unstable causing CRC error on
the interface. So we need a workaround to skip printing register
dumps on CRC errors to reduce the recovery time.

Change-Id: I73986d89a080a842e01cdf88ad8d3b953755e993
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>

parent af6a03e6

drivers/mmc/host/sdhci.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -3096,6 +3096,9 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
		mmc_hostname(host->mmc), intmask,
		host->data->error, ktime_to_ms(ktime_sub(
		ktime_get(), host->data_start_time)));

		if (!host->mmc->sdr104_wa \|\|
		(host->mmc->ios.timing != MMC_TIMING_UHS_SDR104))
		sdhci_dumpregs(host);
		}
		sdhci_finish_data(host);