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| author | Raffaele Recalcati <lamiaposta71@gmail.com> | 2011-03-23 04:06:50 +0000 |
|---|---|---|
| committer | Andy Fleming <afleming@freescale.com> | 2011-04-13 07:09:04 -0500 |
| commit | 8511cd84ab2749c8edf41d123f365a1d2353528e (patch) | |
| tree | 02102c27f040a69107e7423e241b39df6d76fbcf | |
| parent | 5db2fe3ad9bdf4f32d72dbf2d3e3042bcd137a52 (diff) | |
| download | u-boot-imx-8511cd84ab2749c8edf41d123f365a1d2353528e.zip u-boot-imx-8511cd84ab2749c8edf41d123f365a1d2353528e.tar.gz u-boot-imx-8511cd84ab2749c8edf41d123f365a1d2353528e.tar.bz2 | |
MMC may wrongly regconize 2GB eMMC as high capacity
Hi Terry,
> So I guess:
> mmc_init calls mmc_send_op_cond that set high_capacity,
> than it calls mmc_startup, that, with MMC_CMD_SEND_CSD command, set
> the capacity, using values in CSD register.
> So I guess that mmc_change_freq should not recalculate high_capacity.
>
> It seems better, isn't it?
>
> Regards,
> Raffaele
>
Finally I think that it is enough to apply the following patch in order
to fix the issue.
Regards,
Raffaele
Signed-off-by: Andy Fleming <afleming@freescale.com>
| -rw-r--r-- | drivers/mmc/mmc.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 36f80fa..f27b7c7 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -553,9 +553,6 @@ int mmc_change_freq(struct mmc *mmc) if (err) return err; - if (ext_csd[212] || ext_csd[213] || ext_csd[214] || ext_csd[215]) - mmc->high_capacity = 1; - cardtype = ext_csd[196] & 0xf; err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 1); |