[PATCH v3 3/3] mmc: sdhci_am654: Print error message if the DLL fails to lock

From: Faiz Abbas
Date: Tue May 28 2019 - 06:02:39 EST


Print an error message and return if DLL fails to lock.

Signed-off-by: Faiz Abbas <faiz_abbas@xxxxxx>
---
drivers/mmc/host/sdhci_am654.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c
index 3c32d9fb6e1e..d0b20780dd0f 100644
--- a/drivers/mmc/host/sdhci_am654.c
+++ b/drivers/mmc/host/sdhci_am654.c
@@ -137,6 +137,11 @@ static void sdhci_am654_set_clock(struct sdhci_host *host, unsigned int clock)
ret = regmap_read_poll_timeout(sdhci_am654->base, PHY_STAT1,
val, val & DLLRDY_MASK, 1000,
1000000);
+ if (ret) {
+ dev_err(mmc_dev(host->mmc), "DLL failed to relock\n");
+ return;
+ }
+
sdhci_am654->dll_on = true;
}
}
--
2.19.2