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sdio: fix the use of hard coded timeout value. 

This adds reading and using of enable_timeout from the CIS

Signed-off-by: Benzi Zbit <benzi.zbit@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
hifive-unleashed-5.1
Benzi Zbit 2008-07-10 02:41:43 +03:00 committed by Pierre Ossman
parent c71f65129a
commit 62a7573ee9
3 changed files with 9 additions and 5 deletions
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6
drivers/mmc/core/sdio_cis.c
View File

@ -129,6 +129,12 @@ static int cistpl_funce_func(struct sdio_func *func,
/* TPLFE_MAX_BLK_SIZE */
func->max_blksize = buf[12] | (buf[13] << 8);
/* TPLFE_ENABLE_TIMEOUT_VAL, present in ver 1.1 and above */
if (vsn > SDIO_SDIO_REV_1_00)
func->enable_timeout = (buf[28] | (buf[29] << 8)) * 10;
else
func->enable_timeout = jiffies_to_msecs(HZ);
return 0;
}

6
drivers/mmc/core/sdio_io.c
View File

@ -76,11 +76,7 @@ int sdio_enable_func(struct sdio_func *func)
if (ret)
goto err;
/*
* FIXME: This should timeout based on information in the CIS,
* but we don't have card to parse that yet.
*/
timeout = jiffies + HZ;
timeout = jiffies + msecs_to_jiffies(func->enable_timeout);
while (1) {
ret = mmc_io_rw_direct(func->card, 0, 0, SDIO_CCCR_IORx, 0, &reg);

2
include/linux/mmc/sdio_func.h
View File

@ -46,6 +46,8 @@ struct sdio_func {
unsigned max_blksize; /* maximum block size */
unsigned cur_blksize; /* current block size */
unsigned enable_timeout; /* max enable timeout in msec */
unsigned int state; /* function state */
#define SDIO_STATE_PRESENT (1<<0) /* present in sysfs */