summaryrefslogtreecommitdiff
path: root/packages/linux/linux-2.6.18/mmc-core-dma-fix.patch
diff options
context:
space:
mode:
Diffstat (limited to 'packages/linux/linux-2.6.18/mmc-core-dma-fix.patch')
-rw-r--r--packages/linux/linux-2.6.18/mmc-core-dma-fix.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/packages/linux/linux-2.6.18/mmc-core-dma-fix.patch b/packages/linux/linux-2.6.18/mmc-core-dma-fix.patch
new file mode 100644
index 0000000000..4106970035
--- /dev/null
+++ b/packages/linux/linux-2.6.18/mmc-core-dma-fix.patch
@@ -0,0 +1,33 @@
+Index: linux-2.6.18-avr32/drivers/mmc/mmc.c
+===================================================================
+--- linux-2.6.18-avr32.orig/drivers/mmc/mmc.c 2007-01-04 09:54:56.000000000 +0100
++++ linux-2.6.18-avr32/drivers/mmc/mmc.c 2007-01-04 09:58:08.000000000 +0100
+@@ -961,6 +961,7 @@ static void mmc_read_scrs(struct mmc_hos
+ struct mmc_command cmd;
+ struct mmc_data data;
+ struct scatterlist sg;
++ u32 *buf;
+
+ list_for_each_entry(card, &host->cards, node) {
+ if (card->state & (MMC_STATE_DEAD|MMC_STATE_PRESENT))
+@@ -1008,7 +1009,8 @@ static void mmc_read_scrs(struct mmc_hos
+ mrq.cmd = &cmd;
+ mrq.data = &data;
+
+- sg_init_one(&sg, (u8*)card->raw_scr, 8);
++ buf = kmalloc(8, GFP_KERNEL);
++ sg_init_one(&sg, (u8*)buf, 8);
+
+ mmc_wait_for_req(host, &mrq);
+
+@@ -1017,8 +1019,8 @@ static void mmc_read_scrs(struct mmc_hos
+ continue;
+ }
+
+- card->raw_scr[0] = ntohl(card->raw_scr[0]);
+- card->raw_scr[1] = ntohl(card->raw_scr[1]);
++ card->raw_scr[0] = ntohl(buf[0]);
++ card->raw_scr[1] = ntohl(buf[1]);
+
+ mmc_decode_scr(card);
+ }