From: Rui Feng <rui_feng@realsil.com.cn>
Date: Tue, 3 Nov 2020 09:55:05 +0000 (+0800)
Subject: misc: rtsx: Add CD & WP reverse support for RTS5261
X-Git-Tag: io_uring-5.11-2020-12-23~66^2~51
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=1da3c51512ce01dec42ad763421ab24c3dc1e3dd;p=linux-block.git

misc: rtsx: Add CD & WP reverse support for RTS5261

This patch add CD & WP reverse support for RTS5261

Signed-off-by: Rui Feng <rui_feng@realsil.com.cn>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1604397305-2956-1-git-send-email-rui_feng@realsil.com.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---

diff --git a/drivers/misc/cardreader/rts5261.c b/drivers/misc/cardreader/rts5261.c
index ce65c5703453..0ef6b3e04a8d 100644
--- a/drivers/misc/cardreader/rts5261.c
+++ b/drivers/misc/cardreader/rts5261.c
@@ -510,6 +510,11 @@ static int rts5261_extra_init_hw(struct rtsx_pcr *pcr)
 	/* Configure driving */
 	rts5261_fill_driving(pcr, OUTPUT_3V3);
 
+	if (pcr->flags & PCR_REVERSE_SOCKET)
+		rtsx_pci_write_register(pcr, PETXCFG, 0x30, 0x30);
+	else
+		rtsx_pci_write_register(pcr, PETXCFG, 0x30, 0x00);
+
 	/*
 	 * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced
 	 * to drive low, and we forcibly request clock.