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mmc: dw_mmc: Add more capabilities field 

This patch adds another capabilities field for MMC_CAPS2_XXX.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Seungwon Jeon 2011-12-09 14:55:52 +09:00 committed by Chris Ball
parent 6fe8890d02
commit 4f408cc67a
2 changed files with 7 additions and 0 deletions
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6
drivers/mmc/host/dw_mmc.c
View File

@ -1681,6 +1681,12 @@ static int __init dw_mci_init_slot(struct dw_mci *host, unsigned int id)
else
mmc->caps = 0;
if (host->pdata->caps2)
mmc->caps2 = host->pdata->caps2;
else
mmc->caps2 = 0;
if (host->pdata->get_bus_wd)
if (host->pdata->get_bus_wd(slot->id) >= 4)
mmc->caps |= MMC_CAP_4_BIT_DATA;

1
include/linux/mmc/dw_mmc.h
View File

@ -214,6 +214,7 @@ struct dw_mci_board {
unsigned int bus_hz; /* Bus speed */
unsigned int caps; /* Capabilities */
unsigned int caps2; /* More capabilities */
/*
* Override fifo depth. If 0, autodetect it from the FIFOTH register,
* but note that this may not be reliable after a bootloader has used