KumiSystems/openwrtv3
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

add fixes for mmc_sdhci needed after [10637]

Browse source 
SVN-Revision: 10997
This commit is contained in:
Nicolas Thill 2008-05-01 23:38:34 +00:00
parent bd507b0146
commit f6f49c75a0
1 changed files with 154 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

154
target/linux/generic-2.6/patches-2.6.23/301-mmc_sdhci_fixes.patch Normal file
View file

@ -0,0 +1,154 @@
Index: linux-2.6.23.16/drivers/mmc/host/sdhci.c
===================================================================
--- linux-2.6.23.16.orig/drivers/mmc/host/sdhci.c 2008-04-28 08:33:14.000000000 +0200
+++ linux-2.6.23.16/drivers/mmc/host/sdhci.c 2008-04-28 08:36:40.000000000 +0200
@@ -487,16 +487,16 @@
* Controller doesn't count down when in single block mode.
*/
if (data->blocks == 1)
- blocks = (data->error == MMC_ERR_NONE) ? 0 : 1;
+ blocks = (data->error == 0) ? 0 : 1;
else
blocks = readw(host->ioaddr + SDHCI_BLOCK_COUNT);
data->bytes_xfered = data->blksz * (data->blocks - blocks);
- if ((data->error == MMC_ERR_NONE) && blocks) {
+ if (!data->error && blocks) {
printk(KERN_ERR "%s: Controller signalled completion even "
"though there were blocks left.\n",
mmc_hostname(host->mmc));
- data->error = MMC_ERR_FAILED;
+ data->error = -EIO;
}
if (data->stop) {
@@ -504,7 +504,7 @@
* The controller needs a reset of internal state machines
* upon error conditions.
*/
- if (data->error != MMC_ERR_NONE) {
+ if (data->error) {
sdhci_reset(host, SDHCI_RESET_CMD);
sdhci_reset(host, SDHCI_RESET_DATA);
}
@@ -539,7 +539,7 @@
printk(KERN_ERR "%s: Controller never released "
"inhibit bit(s).\n", mmc_hostname(host->mmc));
sdhci_dumpregs(host);
- cmd->error = MMC_ERR_FAILED;
+ cmd->error = -EIO;
tasklet_schedule(&host->finish_tasklet);
return;
}
@@ -560,7 +560,7 @@
if ((cmd->flags & MMC_RSP_136) && (cmd->flags & MMC_RSP_BUSY)) {
printk(KERN_ERR "%s: Unsupported response type!\n",
mmc_hostname(host->mmc));
- cmd->error = MMC_ERR_INVALID;
+ cmd->error = -EINVAL;
tasklet_schedule(&host->finish_tasklet);
return;
}
@@ -607,7 +607,7 @@
}
}
- host->cmd->error = MMC_ERR_NONE;
+ host->cmd->error = 0;
if (host->data && host->data_early)
sdhci_finish_data(host);
@@ -730,7 +730,7 @@
host->mrq = mrq;
if (!(readl(host->ioaddr + SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT)) {
- host->mrq->cmd->error = MMC_ERR_TIMEOUT;
+ host->mrq->cmd->error = -ENOMEDIUM;
tasklet_schedule(&host->finish_tasklet);
} else
sdhci_send_command(host, mrq->cmd);
@@ -839,7 +839,7 @@
sdhci_reset(host, SDHCI_RESET_CMD);
sdhci_reset(host, SDHCI_RESET_DATA);
- host->mrq->cmd->error = MMC_ERR_FAILED;
+ host->mrq->cmd->error = -ENOMEDIUM;
tasklet_schedule(&host->finish_tasklet);
}
}
@@ -867,9 +867,9 @@
* The controller needs a reset of internal state machines
* upon error conditions.
*/
- if ((mrq->cmd->error != MMC_ERR_NONE) ||
- (mrq->data && ((mrq->data->error != MMC_ERR_NONE) ||
- (mrq->data->stop && (mrq->data->stop->error != MMC_ERR_NONE))))) {
+ if (mrq->cmd->error ||
+ (mrq->data && (mrq->data->error ||
+ (mrq->data->stop && mrq->data->stop->error)))) {
/* Some controllers need this kick or reset won't work here */
if (host->chip->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) {
@@ -914,13 +914,13 @@
sdhci_dumpregs(host);
if (host->data) {
- host->data->error = MMC_ERR_TIMEOUT;
+ host->data->error = -ETIMEDOUT;
sdhci_finish_data(host);
} else {
if (host->cmd)
- host->cmd->error = MMC_ERR_TIMEOUT;
+ host->cmd->error = -ETIMEDOUT;
else
- host->mrq->cmd->error = MMC_ERR_TIMEOUT;
+ host->mrq->cmd->error = -ETIMEDOUT;
tasklet_schedule(&host->finish_tasklet);
}
@@ -949,13 +949,12 @@
}
if (intmask & SDHCI_INT_TIMEOUT)
- host->cmd->error = MMC_ERR_TIMEOUT;
- else if (intmask & SDHCI_INT_CRC)
- host->cmd->error = MMC_ERR_BADCRC;
- else if (intmask & (SDHCI_INT_END_BIT | SDHCI_INT_INDEX))
- host->cmd->error = MMC_ERR_FAILED;
+ host->cmd->error = -ETIMEDOUT;
+ else if (intmask & (SDHCI_INT_CRC | SDHCI_INT_END_BIT |
+ SDHCI_INT_INDEX))
+ host->cmd->error = -EILSEQ;
- if (host->cmd->error != MMC_ERR_NONE)
+ if (host->cmd->error)
tasklet_schedule(&host->finish_tasklet);
else if (intmask & SDHCI_INT_RESPONSE)
sdhci_finish_command(host);
@@ -982,13 +981,11 @@
}
if (intmask & SDHCI_INT_DATA_TIMEOUT)
- host->data->error = MMC_ERR_TIMEOUT;
- else if (intmask & SDHCI_INT_DATA_CRC)
- host->data->error = MMC_ERR_BADCRC;
- else if (intmask & SDHCI_INT_DATA_END_BIT)
- host->data->error = MMC_ERR_FAILED;
+ host->data->error = -ETIMEDOUT;
+ else if (intmask & (SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_END_BIT))
+ host->data->error = -EILSEQ;
- if (host->data->error != MMC_ERR_NONE)
+ if (host->data->error)
sdhci_finish_data(host);
else {
if (intmask & (SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL))
@@ -1320,7 +1317,7 @@
mmc->ops = &sdhci_ops;
mmc->f_min = host->max_clk / 256;
mmc->f_max = host->max_clk;
- mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE | MMC_CAP_BYTEBLOCK;
+ mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE;
if (caps & SDHCI_CAN_DO_HISPD)
mmc->caps |= MMC_CAP_SD_HIGHSPEED;