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| author |   Rui Feng <rui_feng@realsil.com.cn> | 2020-11-03 17:55:21 +0800 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2020-11-16 11:59:30 +0100 |
| commit | 5eefe22d223573a32afb9be7e53bff2acff6423a (patch) | |
| tree | 37ac2c05fdcff392c79c271580fb01a367aea58b /drivers/misc/cardreader/rts5261.c | |
| parent | misc: rtsx: Add hardware auto power off for RTS5261 (diff) | |
| download | linux-dev-5eefe22d223573a32afb9be7e53bff2acff6423a.tar.xz linux-dev-5eefe22d223573a32afb9be7e53bff2acff6423a.zip | |
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 <rui_feng@realsil.com.cn>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1604397321-3026-1-git-send-email-rui_feng@realsil.com.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/misc/cardreader/rts5261.c')
| -rw-r--r-- | drivers/misc/cardreader/rts5261.c | 4 |
1 files 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]; |