[PATCH] mmc: au1xmmc: return errors for unknown response types

From: Manuel Lauss
Date: Thu Jan 25 2007 - 04:28:22 EST



au1xmmc: return error when encountering unhandled/unknown response type.

Signed-off-by: Manuel Lauss <mano@xxxxxxxxxxxxxxxxxxxxxxx>

--- a/drivers/mmc/au1xmmc.c.orig 2007-01-25 09:56:10.851983000 +0100
+++ b/drivers/mmc/au1xmmc.c 2007-01-25 10:13:12.121983000 +0100
@@ -193,6 +194,8 @@ static int au1xmmc_send_command(struct a
u32 mmccmd = (cmd->opcode << SD_CMD_CI_SHIFT);

switch (mmc_resp_type(cmd)) {
+ case MMC_RSP_NONE:
+ break;
case MMC_RSP_R1:
mmccmd |= SD_CMD_RT_1;
break;
@@ -205,6 +208,10 @@ static int au1xmmc_send_command(struct a
case MMC_RSP_R3:
mmccmd |= SD_CMD_RT_3;
break;
+ default:
+ printk(KERN_INFO "au1xmmc: unhandled response type %02x\n",
+ mmc_resp_type(cmd));
+ return MMC_ERR_INVALID;
}

switch(cmd->opcode) {
-
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