Haijun Zhang <[email protected]> wrote on 10/24/2013 08:54:42 PM:
> struct mmc should be clear to all '0' after malloc to avoid > unexpect variable value. > > Like mmc->has_init = xxx. > In this case mmcinfo will believe the card had been initialized before > and skip the initialization. > > Test on P5040 and T4240, > Error Log: > > => mmcinfo > Device: FSL_SDHC > Manufacturer ID: 0 > OEM: 0 > Name: Tran Speed: 0 > Rd Block Len: 0 > MMC version 0.0 > High Capacity: No > Capacity: 0 Bytes > Bus Width: 0-bit > => > > Signed-off-by: Haijun Zhang <[email protected]> > Signed-off-by: Xie Shaohui-B21989 <[email protected]> Tested-by: Ryan Barnett <[email protected]> Verified that this patch fixes issues related to booting from eSDHC interface on the P2041RDB with U-Boot 2013.10. > --- > drivers/mmc/fsl_esdhc.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c > index a7170b4..d4c1eef 100644 > --- a/drivers/mmc/fsl_esdhc.c > +++ b/drivers/mmc/fsl_esdhc.c > @@ -521,6 +521,7 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg) > if (!mmc) > return -ENOMEM; > > + memset(mmc, 0, sizeof(struct mmc)); > sprintf(mmc->name, "FSL_SDHC"); > regs = (struct fsl_esdhc *)cfg->esdhc_base; > > -- > 1.8.4 > > > _______________________________________________ > U-Boot mailing list > [email protected] > http://lists.denx.de/mailman/listinfo/u-boot _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
