Hello Kristina,
Am 03.11.2014 um 00:01 schrieb Kristina Martšenko:
> [...]
> I ran into this issue as well. Seems that a card-detect flag
> (MMC_CAP2_CD_ACTIVE_HIGH) can currently be set based on an
> uninitialized variable, which can lead to the card being reported as
> not present. This patch fixes it for me:
>
> diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
> index 03c53b72a2d6..f0e187682d3b 100644
> --- a/drivers/mmc/core/host.c
> +++ b/drivers/mmc/core/host.c
> @@ -311,7 +311,7 @@ int mmc_of_parse(struct mmc_host *host)
> struct device_node *np;
> u32 bus_width;
> int len, ret;
> - bool cap_invert, gpio_invert;
> + bool cap_invert, gpio_invert = false;
>
> if (!host->parent || !host->parent->of_node)
> return 0;
> @@ -401,6 +401,7 @@ int mmc_of_parse(struct mmc_host *host)
> else
> cap_invert = false;
>
> + gpio_invert = false;
> ret = mmc_gpiod_request_ro(host, "wp", 0, false, 0, &gpio_invert);
> if (ret) {
> if (ret == -EPROBE_DEFER)
>
> Let me know if this also fixes it for you, and I'll send in a proper
> patch.
the patch works for me too. You can also add:
Tested-by: Stefan Wahren <[email protected]>
> Thanks,
> Kristina
Thanks a lot
Stefan
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