Aw: [PATCH 3/3] mmc: mediatek: add optional module reset property

Wenbin Mei wenbin.mei at mediatek.com
Wed Aug 12 07:55:52 EDT 2020


Thanks for your reply.
I will add this in the next version.
On Wed, 2020-08-12 at 12:07 +0200, Frank Wunderlich wrote:
> > Gesendet: Mittwoch, 12. August 2020 um 11:37 Uhr
> > Von: "Wenbin Mei" <wenbin.mei at mediatek.com>
> > Betreff: [PATCH 3/3] mmc: mediatek: add optional module reset property
> 
> > This patch adds a optional reset management for msdc.
> > Sometimes the bootloader does not bring msdc register
> > to default state, so need reset the msdc controller.
> >
> > Signed-off-by: Wenbin Mei <wenbin.mei at mediatek.com>
> 
> Thanks for posting the fix to Mainline
> 
> imho this should contain a fixes-Tag as it fixes eMMC-Access on mt7622/Bpi-R64
> 
> before we got these Errors on mounting eMMC ion R64:
> 
> [   48.664925] blk_update_request: I/O error, dev mmcblk0, sector 204800 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
> [   48.676019] Buffer I/O error on dev mmcblk0p1, logical block 0, lost sync page write
> 
> Fixes: 966580ad236e ("mmc: mediatek: add support for MT7622 SoC")
> Tested-By: Frank Wunderlich <frank-w at public-files.de>
> 
> and it needs to be fixed at least for 5.4+, so adding stable-CC
> 
> Cc: stable at vger.kernel.org



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