diff options
Diffstat (limited to 'recipes/linux/linux-2.6.18/mmc-core-dma-fix.patch')
| -rw-r--r-- | recipes/linux/linux-2.6.18/mmc-core-dma-fix.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/recipes/linux/linux-2.6.18/mmc-core-dma-fix.patch b/recipes/linux/linux-2.6.18/mmc-core-dma-fix.patch new file mode 100644 index 0000000000..4106970035 --- /dev/null +++ b/recipes/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); + } |