Commit 5b0f429e authored by Rui Feng's avatar Rui Feng Committed by Ulf Hansson
Browse files

misc: rtsx: Check mmc support for RTS5261 



This patch check mmc support when RTS5261 initialize,
and not support mmc default.

Signed-off-by: default avatarRui Feng <rui_feng@realsil.com.cn>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1604397298-2921-1-git-send-email-rui_feng@realsil.com.cn


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 6f61dd28

drivers/misc/cardreader/rts5261.c

+8 −0
Original line number Diff line number Diff line
@@ -67,10 +67,18 @@ static void rtsx5261_fetch_vendor_settings(struct rtsx_pcr *pcr) 
	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);



	if (!rts5261_vendor_setting_valid(reg)) {

		/* Not support MMC default */

		pcr->extra_caps |= EXTRA_CAPS_NO_MMC;

		pcr_dbg(pcr, "skip fetch vendor setting\n");

		return;

	}



	if (!rts5261_reg_check_mmc_support(reg))

		pcr->extra_caps |= EXTRA_CAPS_NO_MMC;



	/* TO do: need to add rtd3 function */

	pcr->rtd3_en = rts5261_reg_to_rtd3(reg);



	if (rts5261_reg_check_reverse_socket(reg))

		pcr->flags |= PCR_REVERSE_SOCKET;

drivers/misc/cardreader/rts5261.h

+2 −0
Original line number Diff line number Diff line
@@ -17,6 +17,8 @@ 
#define rts5261_reg_check_reverse_socket(reg)	((reg) & 0x04)

#define rts5261_reg_to_sd30_drive_sel_1v8(reg)	(((reg) >> 22) & 0x03)

#define rts5261_reg_to_sd30_drive_sel_3v3(reg)	(((reg) >> 16) & 0x03)

#define rts5261_reg_to_rtd3(reg)		((reg) & 0x08)

#define rts5261_reg_check_mmc_support(reg)	((reg) & 0x10)



#define RTS5261_AUTOLOAD_CFG0		0xFF7B

#define RTS5261_AUTOLOAD_CFG1		0xFF7C