Commit c18c1f10 authored by Rui Feng's avatar Rui Feng Committed by Greg Kroah-Hartman
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misc: rtsx: Improve compatibility for rts5261 



Change initial clock to improve compatibility for rts5261

Signed-off-by: default avatarRui Feng <rui_feng@realsil.com.cn>
Link: https://lore.kernel.org/r/1586918237-3016-1-git-send-email-rui_feng@realsil.com.cn


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 19df2f8e

drivers/misc/cardreader/rts5261.c

+7 −2
Original line number Diff line number Diff line
@@ -639,8 +639,13 @@ 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)) {

			clk_divider = SD_CLK_DIVIDE_256;

			card_clock = 60000000;

		} else {

			clk_divider = SD_CLK_DIVIDE_128;

			card_clock = 30000000;

		}

	} else {

		clk_divider = SD_CLK_DIVIDE_0;

	}