mfd: rtsx: Fix PM suspend for 5227 & 5249
Fix rts5227&5249 failed send buffer cmd after suspend,
PM_CTRL3 should reset before send any buffer cmd after suspend.
Otherwise, buffer cmd will failed, this will lead resume fail.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
index 74346d5..1604dda 100644
--- a/include/linux/mfd/rtsx_pci.h
+++ b/include/linux/mfd/rtsx_pci.h
@@ -707,6 +707,14 @@
#define PM_CTRL1 0xFF44
#define PM_CTRL2 0xFF45
#define PM_CTRL3 0xFF46
+#define SDIO_SEND_PME_EN 0x80
+#define FORCE_RC_MODE_ON 0x40
+#define FORCE_RX50_LINK_ON 0x20
+#define D3_DELINK_MODE_EN 0x10
+#define USE_PESRTB_CTL_DELINK 0x08
+#define DELAY_PIN_WAKE 0x04
+#define RESET_PIN_WAKE 0x02
+#define PM_WAKE_EN 0x01
#define PM_CTRL4 0xFF47
/* Memory mapping */
@@ -752,6 +760,14 @@
#define PHY_DUM_REG 0x1F
#define LCTLR 0x80
+#define LCTLR_EXT_SYNC 0x80
+#define LCTLR_COMMON_CLOCK_CFG 0x40
+#define LCTLR_RETRAIN_LINK 0x20
+#define LCTLR_LINK_DISABLE 0x10
+#define LCTLR_RCB 0x08
+#define LCTLR_RESERVED 0x04
+#define LCTLR_ASPM_CTL_MASK 0x03
+
#define PCR_SETTING_REG1 0x724
#define PCR_SETTING_REG2 0x814
#define PCR_SETTING_REG3 0x747
@@ -967,4 +983,16 @@
return (u8 *)(pcr->host_cmds_ptr);
}
+static inline int rtsx_pci_update_cfg_byte(struct rtsx_pcr *pcr, int addr,
+ u8 mask, u8 append)
+{
+ int err;
+ u8 val;
+
+ err = pci_read_config_byte(pcr->pci, addr, &val);
+ if (err < 0)
+ return err;
+ return pci_write_config_byte(pcr->pci, addr, (val & mask) | append);
+}
+
#endif