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 ce65c5703453ffda45b9d5747ed814bc8e2da366..0ef6b3e04a8d38217a354ec81d6a9e74f0ca8809 100644 (file)
--- 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.