Commit 5eefe22d authored by Rui Feng's avatar Rui Feng Committed by Ulf Hansson
Browse files

misc: rtsx: Fix clock timing for RTS5261 



This patch fix clock timing for RTS5261, using 256 divide
for the version higher than version C.

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/1604397321-3026-1-git-send-email-rui_feng@realsil.com.cn


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 1672617d

drivers/misc/cardreader/rts5261.c

+2 −2
Original line number Diff line number Diff line
@@ -649,7 +649,7 @@ int rts5261_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock, 


	if (initial_mode) {

		/* We use 250k(around) here, in initial stage */

		if (is_version(pcr, PID_5261, IC_VER_D)) {

		if (is_version_higher_than(pcr, PID_5261, IC_VER_C)) {

			clk_divider = SD_CLK_DIVIDE_256;

			card_clock = 60000000;

		} else {
@@ -700,7 +700,7 @@ int rts5261_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock, 
		div++;

	}



	n = (n / 2);

	n = (n / 2) - 1;

	pcr_dbg(pcr, "n = %d, div = %d\n", n, div);



	ssc_depth = depth[ssc_depth];