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Commit 1b3b2631 authored by Carlos Eduardo Aguiar's avatar Carlos Eduardo Aguiar Committed by Pierre Ossman
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omap: Update MMC response types 



This patch is a fix in order to update MMC response types. This modification is
needed to allow SD card support on OMAP platforms.

Signed-off-by: default avatarCarlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
Signed-off-by: default avatarYuha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: default avatarPierre Ossman <drzeus@drzeus.cx>
parent 0404f87f

drivers/mmc/omap.c

+11 −5
Original line number Diff line number Diff line
@@ -91,7 +91,6 @@ 




#define DRIVER_NAME "mmci-omap"

#define RSP_TYPE(x)	((x) & ~(MMC_RSP_BUSY|MMC_RSP_OPCODE))



/* Specifies how often in millisecs to poll for card status changes

 * when the cover switch is open */
@@ -204,18 +203,25 @@ mmc_omap_start_command(struct mmc_omap_host *host, struct mmc_command *cmd) 
	cmdtype = 0;



	/* Our hardware needs to know exact type */

	switch (RSP_TYPE(mmc_resp_type(cmd))) {

	case RSP_TYPE(MMC_RSP_R1):

	switch (mmc_resp_type(cmd)) {

	case MMC_RSP_NONE:

		break;

	case MMC_RSP_R1:

	case MMC_RSP_R1B:

		/* resp 1, resp 1b */

		resptype = 1;

		break;

	case RSP_TYPE(MMC_RSP_R2):

	case MMC_RSP_R2:

		resptype = 2;

		break;

	case RSP_TYPE(MMC_RSP_R3):

	case MMC_RSP_R3:

		resptype = 3;

		break;

	case MMC_RSP_R6:

		resptype = 6;

		break;

	default:

		dev_err(mmc_dev(host->mmc), "Invalid response type: %04x\n", mmc_resp_type(cmd));

		break;

	}