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trunk: add ks7010 support patch

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This commit is contained in:
kyak 2011-05-15 12:20:29 +04:00
parent 7bb7d4687e
commit a6a4c8c466
1 changed files with 49 additions and 0 deletions
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49
target/linux/xburst/patches-2.6.37/850-ks7010-support.patch Normal file
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@ -0,0 +1,49 @@
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -922,7 +922,7 @@ static void mmc_power_up(struct mmc_host
* This delay should be sufficient to allow the power supply
* to reach the minimum voltage.
*/
- mmc_delay(10);
+ mmc_delay(200);
host->ios.clock = host->f_init;
@@ -933,7 +933,7 @@ static void mmc_power_up(struct mmc_host
* This delay must be at least 74 clock sizes, or 1 ms, or the
* time required to reach a stable voltage.
*/
- mmc_delay(10);
+ mmc_delay(200);
}
static void mmc_power_off(struct mmc_host *host)
--- a/drivers/mmc/core/sdio_cis.c
+++ b/drivers/mmc/core/sdio_cis.c
@@ -156,7 +156,8 @@ static int cistpl_funce_common(struct mm
/* TPLFE_MAX_TRAN_SPEED */
card->cis.max_dtr = speed_val[(buf[3] >> 3) & 15] *
speed_unit[buf[3] & 7];
-
+ if(card->cis.max_dtr > 25000000 && card->cccr.sdio_vsn < SDIO_SDIO_REV_2_00)
+ card->cis.max_dtr = 25000000;
return 0;
}
@@ -177,14 +178,14 @@ static int cistpl_funce_func(struct mmc_
vsn = func->card->cccr.sdio_vsn;
min_size = (vsn == SDIO_SDIO_REV_1_00) ? 28 : 42;
- if (size < min_size)
+ if (buf[0] != 1)
return -EINVAL;
/* 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)
+ if (vsn > SDIO_SDIO_REV_1_00 && size >= min_size)
func->enable_timeout = (buf[28] | (buf[29] << 8)) * 10;
else
func->enable_timeout = jiffies_to_msecs(HZ);