MMC core expects (now) valid mmc->dev pointer. During conversion in commit cffe5d86 not every driver was updated.
This patch fixes crash while accessing MMC on boards using Qualcomm SDHCI controller.
Signed-off-by: Mateusz Kulikowski mateusz.kulikowski@gmail.com --- This patch fixes MMC support on dragonboard.
Without it attempts to access MMC caused null-pointer derefernece.
drivers/mmc/msm_sdhci.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/msm_sdhci.c b/drivers/mmc/msm_sdhci.c index 64bbf0c..96dcdbe 100644 --- a/drivers/mmc/msm_sdhci.c +++ b/drivers/mmc/msm_sdhci.c @@ -136,7 +136,12 @@ static int msm_sdc_probe(struct udevice *dev) host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
/* automatically detect max and min speed */ - return add_sdhci(host, 0, 0); + ret = add_sdhci(host, 0, 0); + if (ret) + return ret; + host->mmc->dev = dev; + + return 0; }
static int msm_sdc_remove(struct udevice *dev)