From: Rui Feng <rui_feng@xxxxxxxxxxxxxx>
This patch fix clock timing for RTS5261, using 256 divide
for the version higher than version C.
Signed-off-by: Rui Feng <rui_feng@xxxxxxxxxxxxxx>
---
drivers/misc/cardreader/rts5261.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/cardreader/rts5261.c b/drivers/misc/cardreader/rts5261.c
index 2ada973a0f33..6c64dade8e1a 100644
--- a/drivers/misc/cardreader/rts5261.c
+++ b/drivers/misc/cardreader/rts5261.c
@@ -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];
--
2.17.1
