diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-06-30 13:07:25 +0400 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2015-01-19 11:56:26 +0300 |
| commit | 25185f3f31c924eecc6ff4f55f7acceabf24de11 (patch) | |
| tree | 240b6d8ac9db0e2688938926f545b43335808d9f /drivers/mmc/core/bus.c | |
| parent | a31edf1e582111f05fb8315da9dd118c837bede5 (diff) | |
| download | linux-25185f3f31c924eecc6ff4f55f7acceabf24de11.tar.xz | |
mmc: Add SDIO function devicetree subnode parsing
This adds SDIO devicetree subnode parsing to the mmc core. While
SDIO devices are runtime probable they sometimes need nonprobable
additional information on embedded systems, like an additional gpio
interrupt or a clock. This patch makes it possible to supply this
information from the devicetree. SDIO drivers will find a pointer
to the devicenode in their devices of_node pointer.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
[hdegoede@redhat.com: Misc. cleanups]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/core/bus.c')
| -rw-r--r-- | drivers/mmc/core/bus.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 86d271148528..c5ef10065a4a 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -16,6 +16,7 @@ #include <linux/err.h> #include <linux/slab.h> #include <linux/stat.h> +#include <linux/of.h> #include <linux/pm_runtime.h> #include <linux/mmc/card.h> @@ -321,6 +322,8 @@ int mmc_add_card(struct mmc_card *card) #endif mmc_init_context_info(card->host); + card->dev.of_node = mmc_of_find_child_device(card->host, 0); + ret = device_add(&card->dev); if (ret) return ret; @@ -349,6 +352,7 @@ void mmc_remove_card(struct mmc_card *card) mmc_hostname(card->host), card->rca); } device_del(&card->dev); + of_node_put(card->dev.of_node); } put_device(&card->dev); |