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authorKangjie Lu <kjlu@umn.edu>2019-03-11 06:53:33 +0100
committerUlf Hansson <ulf.hansson@linaro.org>2019-04-15 11:55:54 +0200
commit611025983b7976df0183390a63a2166411d177f1 (patch)
tree9981d2458249e557310bdca207525192fc8447de /drivers/mmc/host/mmc_spi.c
parentmmc: sdhci-of-esdhc: add quirk to ignore command inhibit for data (diff)
downloadlinux-611025983b7976df0183390a63a2166411d177f1.tar.xz
linux-611025983b7976df0183390a63a2166411d177f1.zip
mmc_spi: add a status check for spi_sync_locked
In case spi_sync_locked fails, the fix reports the error and returns the error code upstream. Signed-off-by: Kangjie Lu <kjlu@umn.edu> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/mmc_spi.c')
-rw-r--r--drivers/mmc/host/mmc_spi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 1b1498805972..a3533935e282 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -819,6 +819,10 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
}
status = spi_sync_locked(spi, &host->m);
+ if (status < 0) {
+ dev_dbg(&spi->dev, "read error %d\n", status);
+ return status;
+ }
if (host->dma_dev) {
dma_sync_single_for_cpu(host->dma_dev,