Any comments? Thanks.
Best regards, Yangbo Lu > -----Original Message----- > From: Yangbo Lu [mailto:yangbo...@nxp.com] > Sent: Wednesday, March 09, 2016 11:00 AM > To: u-boot@lists.denx.de > Cc: Pantelis Antoniou; Yangbo Lu > Subject: [PATCH] mmc: send CMD0 before CMD1 for some MMC cards > > When the MMC framework was added in u-boot, the mmc_go_idle was added > before mmc_send_op_cond_iter in function mmc_send_op_cond annotating that > some cards seemed to need this. Actually, we still need to do this in > function mmc_complete_op_cond for those cards. > This has been verified on Micron MTFC4GACAECN eMMC chip. > > Signed-off-by: Yangbo Lu <yangbo...@nxp.com> > --- > drivers/mmc/mmc.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index ede5d6e..82e3268 > 100644 > --- a/drivers/mmc/mmc.c > +++ b/drivers/mmc/mmc.c > @@ -418,6 +418,9 @@ static int mmc_complete_op_cond(struct mmc *mmc) > uint start; > int err; > > + /* Some cards seem to need this */ > + mmc_go_idle(mmc); > + > mmc->op_cond_pending = 0; > if (!(mmc->ocr & OCR_BUSY)) { > start = get_timer(0); > -- > 2.1.0.27.g96db324 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot