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authorPaul Kocialkowski <contact@paulk.fr>2014-11-08 20:55:45 +0100
committerTom Rini <trini@ti.com>2014-12-04 11:04:40 -0500
commit95de9ab201e9c43c8969321711de9e93e444e420 (patch)
treecce448faa986d0ad8c028a78b67e1ebd6250a0b9 /drivers/mmc/mmc.c
parent1e4ad74b875f4da91193afffb0bb0db90ec7b886 (diff)
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mmc: Board-specific MMC power initializations
Some devices may use non-standard combinations of regulators to power MMC: this allows these devices to provide a board-specific MMC power init function to set everything up in their own way. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'drivers/mmc/mmc.c')
-rw-r--r--drivers/mmc/mmc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 44a4feb..8436bc7 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1277,6 +1277,11 @@ block_dev_desc_t *mmc_get_dev(int dev)
}
#endif
+/* board-specific MMC power initializations. */
+__weak void board_mmc_power_init(void)
+{
+}
+
int mmc_start_init(struct mmc *mmc)
{
int err;
@@ -1293,6 +1298,8 @@ int mmc_start_init(struct mmc *mmc)
if (mmc->has_init)
return 0;
+ board_mmc_power_init();
+
/* made sure it's not NULL earlier */
err = mmc->cfg->ops->init(mmc);