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 <haijun.zh...@freescale.com> Signed-off-by: Xie Shaohui-B21989 <b21...@freescale.com> --- 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 U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot