From: Manuel Lauss <mano@roarinelk.homelinux.net>
Date: Thu, 25 Jan 2007 09:27:41 +0000 (+0100)
Subject: mmc: au1xmmc: return errors for unknown response types
X-Git-Tag: v3.12-rc1~31390^2~20^2~30
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=279bc4450989215e741c2c9d3a726f1ac96ede40;p=kernel%2Fkernel-generic.git

mmc: au1xmmc: return errors for unknown response types

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

Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
---

diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c
index 212e41f..6d6fe6e 100644
--- a/drivers/mmc/au1xmmc.c
+++ b/drivers/mmc/au1xmmc.c
@@ -194,6 +194,8 @@ static int au1xmmc_send_command(struct au1xmmc_host *host, int wait,
 	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;
@@ -206,6 +208,10 @@ static int au1xmmc_send_command(struct au1xmmc_host *host, int wait,
 	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) {