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Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.23/301-mmc_sdhci_fixes.patch')
-rw-r--r--target/linux/generic-2.6/patches-2.6.23/301-mmc_sdhci_fixes.patch154
1 files changed, 154 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.23/301-mmc_sdhci_fixes.patch b/target/linux/generic-2.6/patches-2.6.23/301-mmc_sdhci_fixes.patch
new file mode 100644
index 0000000000..6694f58959
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.23/301-mmc_sdhci_fixes.patch
@@ -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;