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Diffstat (limited to 'drivers/mmc/wbsd.c')
-rw-r--r--drivers/mmc/wbsd.c41
1 files changed, 40 insertions, 1 deletions
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
index cf16e44c0301..c1dd6ad8dab3 100644
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * linux/drivers/mmc/wbsd.c - Winbond W83L51xD SD/MMC driver 2 * linux/drivers/mmc/wbsd.c - Winbond W83L51xD SD/MMC driver
3 * 3 *
4 * Copyright (C) 2004-2005 Pierre Ossman, All Rights Reserved. 4 * Copyright (C) 2004-2006 Pierre Ossman, All Rights Reserved.
5 * 5 *
6 * This program is free software; you can redistribute it and/or modify 6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by 7 * it under the terms of the GNU General Public License as published by
@@ -910,6 +910,45 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
910 */ 910 */
911 if (cmd->data && (cmd->error == MMC_ERR_NONE)) { 911 if (cmd->data && (cmd->error == MMC_ERR_NONE)) {
912 /* 912 /*
913 * The hardware is so delightfully stupid that it has a list
914 * of "data" commands. If a command isn't on this list, it'll
915 * just go back to the idle state and won't send any data
916 * interrupts.
917 */
918 switch (cmd->opcode) {
919 case 11:
920 case 17:
921 case 18:
922 case 20:
923 case 24:
924 case 25:
925 case 26:
926 case 27:
927 case 30:
928 case 42:
929 case 56:
930 break;
931
932 /* ACMDs. We don't keep track of state, so we just treat them
933 * like any other command. */
934 case 51:
935 break;
936
937 default:
938#ifdef CONFIG_MMC_DEBUG
939 printk(KERN_WARNING "%s: Data command %d is not "
940 "supported by this controller.\n",
941 mmc_hostname(host->mmc), cmd->opcode);
942#endif
943 cmd->data->error = MMC_ERR_INVALID;
944
945 if (cmd->data->stop)
946 wbsd_send_command(host, cmd->data->stop);
947
948 goto done;
949 };
950
951 /*
913 * Dirty fix for hardware bug. 952 * Dirty fix for hardware bug.
914 */ 953 */
915 if (host->dma == -1) 954 if (host->dma == -1)