tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
authored by
Rui Feng
and committed by
Ulf Hansson
5b0f429e
6f61dd28
+10
+8
drivers/misc/cardreader/rts5261.c
+8
drivers/misc/cardreader/rts5261.c
···
67
67
pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
68
68
69
69
if (!rts5261_vendor_setting_valid(reg)) {
70
+
/* Not support MMC default */
71
+
pcr->extra_caps |= EXTRA_CAPS_NO_MMC;
70
72
pcr_dbg(pcr, "skip fetch vendor setting\n");
71
73
return;
72
74
}
75
+
76
+
if (!rts5261_reg_check_mmc_support(reg))
77
+
pcr->extra_caps |= EXTRA_CAPS_NO_MMC;
78
+
79
+
/* TO do: need to add rtd3 function */
80
+
pcr->rtd3_en = rts5261_reg_to_rtd3(reg);
73
81
74
82
if (rts5261_reg_check_reverse_socket(reg))
75
83
pcr->flags |= PCR_REVERSE_SOCKET;
+2
drivers/misc/cardreader/rts5261.h
+2
drivers/misc/cardreader/rts5261.h
···
17
17
#define rts5261_reg_check_reverse_socket(reg) ((reg) & 0x04)
18
18
#define rts5261_reg_to_sd30_drive_sel_1v8(reg) (((reg) >> 22) & 0x03)
19
19
#define rts5261_reg_to_sd30_drive_sel_3v3(reg) (((reg) >> 16) & 0x03)
20
+
#define rts5261_reg_to_rtd3(reg) ((reg) & 0x08)
21
+
#define rts5261_reg_check_mmc_support(reg) ((reg) & 0x10)
20
22
21
23
#define RTS5261_AUTOLOAD_CFG0 0xFF7B
22
24
#define RTS5261_AUTOLOAD_CFG1 0xFF7C