Re: [U-Boot] [PATCH] i.MX28: Lower the amount of blocks transfered in one DMA cycle

2012-04-09 Thread Marek Vasut
Dear Fabio Estevam, > Hi Marek, > > On 4/9/12, Marek Vasut wrote: > > Some MMC cards, like my ancient 32.0MB SanDisk RS-MMC cards had issue if > > b_max > > was set to 0x40 and DMA was enabled. Lower this value to 0x20, which > > allows these cards to work too. > > I know this is off topic here

Re: [U-Boot] [PATCH] i.MX28: Lower the amount of blocks transfered in one DMA cycle

2012-04-09 Thread Fabio Estevam
Hi Marek, On 4/9/12, Marek Vasut wrote: > Some MMC cards, like my ancient 32.0MB SanDisk RS-MMC cards had issue if > b_max > was set to 0x40 and DMA was enabled. Lower this value to 0x20, which allows > these cards to work too. I know this is off topic here, but I am wondering whether the mxs mm

[U-Boot] [PATCH] i.MX28: Lower the amount of blocks transfered in one DMA cycle

2012-04-08 Thread Marek Vasut
Some MMC cards, like my ancient 32.0MB SanDisk RS-MMC cards had issue if b_max was set to 0x40 and DMA was enabled. Lower this value to 0x20, which allows these cards to work too. Signed-off-by: Marek Vasut Cc: Stefano Babic Cc: Wolfgang Denk Cc: Detlev Zundel Cc: Fabio Estevam --- drivers/m