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Commit 65767502 authored by Bao D. Nguyen's avatar Bao D. Nguyen
Browse files

mmc: core: Disable SD Card UHS-1 Support 



Disable the SD card UHS-1 SDR104 support temporarily.
The SD cards will run at SDR50 speed mode limit.

Change-Id: Id0206856cca2ae6446b950138b24b9f363db87a2
Signed-off-by: default avatarBao D. Nguyen <nguyenb@codeaurora.org>
parent 361bd47c

drivers/mmc/core/sd.c

+0 −8
Original line number Original line Diff line number Diff line
@@ -816,14 +816,6 @@ int mmc_sd_get_cid(struct mmc_host *host, u32 ocr, u32 *cid, u32 *rocr) 
	if (!err)

	if (!err)

		ocr |= SD_OCR_CCS;

		ocr |= SD_OCR_CCS;





	/*

	 * If the host supports one of UHS-I modes, request the card

	 * to switch to 1.8V signaling level. If the card has failed

	 * repeatedly to switch however, skip this.

	 */

	if (retries && mmc_host_uhs(host))

		ocr |= SD_OCR_S18R;



	/*

	/*

	 * If the host can supply more than 150mA at current voltage,

	 * If the host can supply more than 150mA at current voltage,

	 * XPC should be set to 1.

	 * XPC should be set to 1.