I'll need to double-check the spec, but I believe the BUSY bit has the opposite meaning of common sense.
On Jan 26, 2013, at 22:32, "Marek Vasut" <ma...@denx.de> wrote: > Hi Andy, > > I was going through the MMC code, trying to get Phison 8007 SD-to-NAND bridge > working (don't ask please, this chip's sole existence defies any logic). > > So, I found the following code and I was wondering if the following patch is > not > needed. Maybe my brain is just giving up though. Give it some thought please > and > let me know, thanks! > > diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c > index 72e8ce6..94926ca 100644 > --- a/drivers/mmc/mmc.c > +++ b/drivers/mmc/mmc.c > @@ -475,8 +474,11 @@ static int sd_send_op_cond(struct mmc *mmc) > if (err) > return err; > > + if (!(cmd.response[0] & OCR_BUSY)) > + break; > + > udelay(1000); > - } while ((!(cmd.response[0] & OCR_BUSY)) && timeout--); > + } while (timeout--); > > if (timeout <= 0) > return UNUSABLE_ERR; > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot