diff options
| author | Rui Feng <rui_feng@realsil.com.cn> | 2020-11-03 17:54:58 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2020-11-16 11:59:30 +0100 |
| commit | 5b0f429ede5af1e6da80d60a0b164346008e30ec (patch) | |
| tree | 49905f925a275ead07ec56ba78185236857d49ef /drivers/misc/cardreader | |
| parent | 6f61dd284475a82e8224b16f4376a118e01e303b (diff) | |
| download | linux-5b0f429ede5af1e6da80d60a0b164346008e30ec.tar.gz | |
misc: rtsx: Check mmc support for RTS5261
This patch check mmc support when RTS5261 initialize,
and not support mmc default.
Signed-off-by: Rui Feng <rui_feng@realsil.com.cn>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1604397298-2921-1-git-send-email-rui_feng@realsil.com.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/misc/cardreader')
| -rw-r--r-- | drivers/misc/cardreader/rts5261.c | 8 | ||||
| -rw-r--r-- | drivers/misc/cardreader/rts5261.h | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/misc/cardreader/rts5261.c b/drivers/misc/cardreader/rts5261.c index b299e472e87b9..ce65c5703453f 100644 --- a/drivers/misc/cardreader/rts5261.c +++ b/drivers/misc/cardreader/rts5261.c @@ -67,10 +67,18 @@ static void rtsx5261_fetch_vendor_settings(struct rtsx_pcr *pcr) pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg); if (!rts5261_vendor_setting_valid(reg)) { + /* Not support MMC default */ + pcr->extra_caps |= EXTRA_CAPS_NO_MMC; pcr_dbg(pcr, "skip fetch vendor setting\n"); return; } + if (!rts5261_reg_check_mmc_support(reg)) + pcr->extra_caps |= EXTRA_CAPS_NO_MMC; + + /* TO do: need to add rtd3 function */ + pcr->rtd3_en = rts5261_reg_to_rtd3(reg); + if (rts5261_reg_check_reverse_socket(reg)) pcr->flags |= PCR_REVERSE_SOCKET; diff --git a/drivers/misc/cardreader/rts5261.h b/drivers/misc/cardreader/rts5261.h index 2e47c798607bb..2344c560a6378 100644 --- a/drivers/misc/cardreader/rts5261.h +++ b/drivers/misc/cardreader/rts5261.h @@ -17,6 +17,8 @@ #define rts5261_reg_check_reverse_socket(reg) ((reg) & 0x04) #define rts5261_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 22) & 0x03) #define rts5261_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 16) & 0x03) +#define rts5261_reg_to_rtd3(reg) ((reg) & 0x08) +#define rts5261_reg_check_mmc_support(reg) ((reg) & 0x10) #define RTS5261_AUTOLOAD_CFG0 0xFF7B #define RTS5261_AUTOLOAD_CFG1 0xFF7C |