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: Rui Feng <[e-mail]>
Acked-by: Greg Kroah-Hartman <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Ulf Hansson <[e-mail]>

drivers/misc/cardreader/rts5261.c

···
 
 	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 {
···
 		div++;
 	}
 
-	n = (n / 2);
+	n = (n / 2) - 1;
 	pcr_dbg(pcr, "n = %d, div = %d\n", n, div);
 
 	ssc_depth = depth[ssc_depth];