projects
/
linux-2.6-microblaze.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
19df2f8
)
misc: rtsx: Improve compatibility for rts5261
author
Rui Feng
<rui_feng@realsil.com.cn>
Wed, 15 Apr 2020 02:37:17 +0000
(10:37 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Thu, 23 Apr 2020 14:55:24 +0000
(16:55 +0200)
Change initial clock to improve compatibility for rts5261
Signed-off-by: Rui 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/cardreader/rts5261.c
patch
|
blob
|
history
diff --git
a/drivers/misc/cardreader/rts5261.c
b/drivers/misc/cardreader/rts5261.c
index
78c3b1d
..
4ed8612
100644
(file)
--- a/
drivers/misc/cardreader/rts5261.c
+++ b/
drivers/misc/cardreader/rts5261.c
@@
-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 */
- clk_divider = SD_CLK_DIVIDE_128;
- card_clock = 30000000;
+ 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;
}