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misc: rtsx: Check mmc support for RTS5261

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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>
This commit is contained in:
Rui Feng 2020-11-03 17:54:58 +08:00 committed by Ulf Hansson
parent 6f61dd2844
commit 5b0f429ede
2 changed files with 10 additions and 0 deletions
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8
drivers/misc/cardreader/rts5261.c
View File

@ -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;

2
drivers/misc/cardreader/rts5261.h
View File

@ -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