mmc: sdhci-iproc: handle mmc_of_parse() errors during probe
commit 2bd44dadd5bfb4135162322fd0b45a174d4ad5bf upstream.
We need to handle mmc_of_parse() errors during probe.
This finally fixes the wifi regression on Raspberry Pi 3 series.
In error case the wifi chip was permanently in reset because of
the power sequence depending on the deferred probe of the GPIO expander.
Fixes: b580c52d58
("mmc: sdhci-iproc: add IPROC SDHCI driver")
Cc: stable@vger.kernel.org
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
8a32f086ff
commit
50a874a4aa
1 changed files with 4 additions and 1 deletions
|
@ -279,7 +279,10 @@ static int sdhci_iproc_probe(struct platform_device *pdev)
|
|||
|
||||
iproc_host->data = iproc_data;
|
||||
|
||||
mmc_of_parse(host->mmc);
|
||||
ret = mmc_of_parse(host->mmc);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
sdhci_get_of_property(pdev);
|
||||
|
||||
host->mmc->caps |= iproc_host->data->mmc_caps;
|
||||
|
|
Loading…
Reference in a new issue