From mboxrd@z Thu Jan 1 00:00:00 1970 From: Igor Grinberg Date: Sun, 02 Nov 2014 15:23:57 +0200 Subject: [U-Boot] [PATCH v3 1/2] mmc: Board-specific MMC power initializations In-Reply-To: <1414839138-6587-2-git-send-email-contact@paulk.fr> References: <1414839138-6587-1-git-send-email-contact@paulk.fr> <1414839138-6587-2-git-send-email-contact@paulk.fr> Message-ID: <5456306D.4080201@compulab.co.il> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Paul, On 11/01/14 12:52, Paul Kocialkowski wrote: > 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 > --- > drivers/mmc/mmc.c | 8 ++++++++ > include/mmc.h | 1 + > 2 files changed, 9 insertions(+) > > diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c > index 44a4feb..125f347 100644 > --- a/drivers/mmc/mmc.c > +++ b/drivers/mmc/mmc.c > @@ -1277,6 +1277,12 @@ block_dev_desc_t *mmc_get_dev(int dev) > } > #endif > > +/* board-specific MMC power initializations. */ > +__weak int board_mmc_power_init(void) > +{ > + return -1; > +} > + > int mmc_start_init(struct mmc *mmc) > { > int err; > @@ -1293,6 +1299,8 @@ int mmc_start_init(struct mmc *mmc) > if (mmc->has_init) > return 0; > > + board_mmc_power_init(); > + Shouldn't we have some error handling here? > /* made sure it's not NULL earlier */ > err = mmc->cfg->ops->init(mmc); > > diff --git a/include/mmc.h b/include/mmc.h > index d74a190..aaea644 100644 > --- a/include/mmc.h > +++ b/include/mmc.h > @@ -385,6 +385,7 @@ struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode); > int mmc_legacy_init(int verbose); > #endif > > +int board_mmc_power_init(void); > int board_mmc_init(bd_t *bis); > int cpu_mmc_init(bd_t *bis); > int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr); > -- Regards, Igor.