aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/mmc/host/rtsx_pci_sdmmc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mmc/host/rtsx_pci_sdmmc.c')
-rw-r--r--drivers/mmc/host/rtsx_pci_sdmmc.c30
1 files changed, 5 insertions, 25 deletions
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index 571915dfb218..f74b5adca642 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -1060,26 +1060,6 @@ static int sd_wait_voltage_stable_2(struct realtek_pci_sdmmc *host)
1060 return 0; 1060 return 0;
1061} 1061}
1062 1062
1063static int sd_change_bank_voltage(struct realtek_pci_sdmmc *host, u8 voltage)
1064{
1065 struct rtsx_pcr *pcr = host->pcr;
1066 int err;
1067
1068 if (voltage == SD_IO_3V3) {
1069 err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24);
1070 if (err < 0)
1071 return err;
1072 } else if (voltage == SD_IO_1V8) {
1073 err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24);
1074 if (err < 0)
1075 return err;
1076 } else {
1077 return -EINVAL;
1078 }
1079
1080 return 0;
1081}
1082
1083static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios) 1063static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios)
1084{ 1064{
1085 struct realtek_pci_sdmmc *host = mmc_priv(mmc); 1065 struct realtek_pci_sdmmc *host = mmc_priv(mmc);
@@ -1098,11 +1078,11 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios)
1098 rtsx_pci_start_run(pcr); 1078 rtsx_pci_start_run(pcr);
1099 1079
1100 if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_330) 1080 if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_330)
1101 voltage = SD_IO_3V3; 1081 voltage = OUTPUT_3V3;
1102 else 1082 else
1103 voltage = SD_IO_1V8; 1083 voltage = OUTPUT_1V8;
1104 1084
1105 if (voltage == SD_IO_1V8) { 1085 if (voltage == OUTPUT_1V8) {
1106 err = rtsx_pci_write_register(pcr, 1086 err = rtsx_pci_write_register(pcr,
1107 SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_B); 1087 SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_B);
1108 if (err < 0) 1088 if (err < 0)
@@ -1113,11 +1093,11 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios)
1113 goto out; 1093 goto out;
1114 } 1094 }
1115 1095
1116 err = sd_change_bank_voltage(host, voltage); 1096 err = rtsx_pci_switch_output_voltage(pcr, voltage);
1117 if (err < 0) 1097 if (err < 0)
1118 goto out; 1098 goto out;
1119 1099
1120 if (voltage == SD_IO_1V8) { 1100 if (voltage == OUTPUT_1V8) {
1121 err = sd_wait_voltage_stable_2(host); 1101 err = sd_wait_voltage_stable_2(host);
1122 if (err < 0) 1102 if (err < 0)
1123 goto out; 1103 goto out;