diff options
| author | Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> | 2010-11-25 12:11:51 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-01-07 13:58:41 -0800 |
| commit | 4be61e8c34498beb3364de68e16ca779b9ed609f (patch) | |
| tree | a1d4f47534549a1b030688f64f8d2566853a33d3 /mm/fadvise.c | |
| parent | 2ea51982aef2d656e0ce5f0cf725c1c449730cba (diff) | |
mmc: at91_mci: fix multiblock SDIO transfers
commit a2255ff45143001fecbc5e5a4b58fcb999d393ae upstream.
The AT91 MCI has special SDIO transfer types: SDIO block and SDIO byte
transfers, but at91_mci driver doesn't use them and handles all SDIO
transfers as ordinary MMC block transfers. This causes problems for
multiple-block SDIO transfers (in particular for 256-bytes blocks).
Fix this situation by checking the opcode for SDIO CMD53 and setting
the transfer type in the AT91_MCI_CMDR register properly.
This patch was tested with libertas SDIO driver: problem with TX
timeouts on big packets was eliminated.
Signed-off-by: Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'mm/fadvise.c')
0 files changed, 0 insertions, 0 deletions