mmc: fix data timeout for SEND_EXT_CSD
Adrian Hunter [Tue, 10 Feb 2009 14:32:33 +0000 (16:32 +0200)]
Commit 0d3e0460f307e84904968aad6cff97bd688583d8
"MMC: CSD and CID timeout values" inadvertently broke
the timeout for the MMC command SEND_EXT_CSD.

This patch puts it back again.

Depending on the characteristics of the controller,
this bug may prevent the use of MMC cards.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

drivers/mmc/core/mmc_ops.c

index 9c50e6f..34ce270 100644 (file)
@@ -248,12 +248,15 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
 
        sg_init_one(&sg, data_buf, len);
 
-       /*
-        * The spec states that CSR and CID accesses have a timeout
-        * of 64 clock cycles.
-        */
-       data.timeout_ns = 0;
-       data.timeout_clks = 64;
+       if (opcode == MMC_SEND_CSD || opcode == MMC_SEND_CID) {
+               /*
+                * The spec states that CSR and CID accesses have a timeout
+                * of 64 clock cycles.
+                */
+               data.timeout_ns = 0;
+               data.timeout_clks = 64;
+       } else
+               mmc_set_data_timeout(&data, card);
 
        mmc_wait_for_req(host, &mrq);