redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

misc: rtsx: Improve compatibility for rts5261 

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>
alistair/sunxi64-5.8
Rui Feng 2020-04-15 10:37:17 +08:00 committed by Greg Kroah-Hartman
parent 19df2f8ea9
commit c18c1f1035
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/misc/cardreader/rts5261.c
View File

@ -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;
}