2010/9/30 Tony Lindgren <[email protected]>: > * Tony Lindgren <[email protected]> [100930 12:07]: >> * Michał Mirosław <[email protected]> [100930 11:57]: >> > 2010/9/30 Tony Lindgren <[email protected]>: >> > > * Cory Maccarrone <[email protected]> [100930 11:34]: >> > >> > Looks like also board-sx1-mmc.c and board-h[23]-mmc.c have the >> > >> > same spotty voltage range. >> > >> > Cory, care to do a patch that fixes it for all of them? >> > >> Yeah, I can do that. I'll resubmit this patch too with the fixed up >> > >> ranges. >> > > Turns out I already did it :) Care to test/ack this one? >> > >> > [...] >> > > diff --git a/arch/arm/mach-omap1/board-sx1-mmc.c >> > > b/arch/arm/mach-omap1/board-sx1-mmc.c >> > > index 5b33ae8..be5a365 100644 >> > > --- a/arch/arm/mach-omap1/board-sx1-mmc.c >> > > +++ b/arch/arm/mach-omap1/board-sx1-mmc.c >> > > @@ -44,7 +44,8 @@ static struct omap_mmc_platform_data mmc1_data = { >> > > .nr_slots = 1, >> > > .slots[0] = { >> > > .set_power = mmc_set_power, >> > > - .ocr_mask = MMC_VDD_28_29 | MMC_VDD_30_31 | >> > > + .ocr_mask = MMC_VDD_28_29 | MMC_VDD_29_30 | >> > > + MMC_VDD_30_31 | MMC_VDD_31_32 | >> > > MMC_VDD_32_33 | MMC_VDD_33_34, >> > > .name = "mmcblk", >> > > }, >> > [...] >> > >> > Al least this one seems wrong (haven't checked others) as the >> > mmc_set_power() ignores vdd parameter. This suggests that the board >> > supports only one particular voltage, not the whole range. >> >> Hmm yeah good catch. With the external power it's board specific. > > Most likely they all support only 3.3V cards except for n8x0. Not changing > the n8x0 for what voltages it handles although it may be missing the > MMC_VDD_27_28 voltage. Here's the updated patch. > > Regards, > > Tony > > From: Tony Lindgren <[email protected]> > Subject: [PATCH] omap: Fix spotty MMC voltages > ...
Finally got around to testing this, and it indeed works perfectly for me. I still get a bunch of weird CMD5 and CMD8 errors on init, but no ill effects were introduced by it, and the card works fine. - Cory -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
