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path: root/drivers/staging/rts5208/rtsx_card.c
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Diffstat (limited to 'drivers/staging/rts5208/rtsx_card.c')
-rw-r--r--drivers/staging/rts5208/rtsx_card.c92
1 files changed, 34 insertions, 58 deletions
diff --git a/drivers/staging/rts5208/rtsx_card.c b/drivers/staging/rts5208/rtsx_card.c
index d26a8e372fce..6dc541e06fb9 100644
--- a/drivers/staging/rts5208/rtsx_card.c
+++ b/drivers/staging/rts5208/rtsx_card.c
@@ -647,9 +647,8 @@ int switch_ssc_clock(struct rtsx_chip *chip, int clk)
dev_dbg(rtsx_dev(chip), "Switch SSC clock to %dMHz (cur_clk = %d)\n",
clk, chip->cur_clk);
- if ((clk <= 2) || (n > max_n)) {
+ if ((clk <= 2) || (n > max_n))
return STATUS_FAIL;
- }
mcu_cnt = (u8)(125 / clk + 3);
if (mcu_cnt > 7)
@@ -688,15 +687,13 @@ int switch_ssc_clock(struct rtsx_chip *chip, int clk)
}
retval = rtsx_send_cmd(chip, 0, WAIT_TIME);
- if (retval < 0) {
+ if (retval < 0)
return STATUS_ERROR;
- }
udelay(10);
retval = rtsx_write_register(chip, CLK_CTL, CLK_LOW_FREQ, 0);
- if (retval) {
+ if (retval)
return retval;
- }
chip->cur_clk = clk;
@@ -790,49 +787,41 @@ int switch_normal_clock(struct rtsx_chip *chip, int clk)
}
retval = rtsx_write_register(chip, CLK_CTL, 0xFF, CLK_LOW_FREQ);
- if (retval) {
+ if (retval)
return retval;
- }
if (sd_vpclk_phase_reset) {
retval = rtsx_write_register(chip, SD_VPCLK0_CTL,
PHASE_NOT_RESET, 0);
- if (retval) {
+ if (retval)
return retval;
- }
retval = rtsx_write_register(chip, SD_VPCLK1_CTL,
PHASE_NOT_RESET, 0);
- if (retval) {
+ if (retval)
return retval;
- }
}
retval = rtsx_write_register(chip, CLK_DIV, 0xFF,
(div << 4) | mcu_cnt);
- if (retval) {
+ if (retval)
return retval;
- }
retval = rtsx_write_register(chip, CLK_SEL, 0xFF, sel);
- if (retval) {
+ if (retval)
return retval;
- }
if (sd_vpclk_phase_reset) {
udelay(200);
retval = rtsx_write_register(chip, SD_VPCLK0_CTL,
PHASE_NOT_RESET, PHASE_NOT_RESET);
- if (retval) {
+ if (retval)
return retval;
- }
retval = rtsx_write_register(chip, SD_VPCLK1_CTL,
PHASE_NOT_RESET, PHASE_NOT_RESET);
- if (retval) {
+ if (retval)
return retval;
- }
udelay(200);
}
retval = rtsx_write_register(chip, CLK_CTL, 0xFF, 0);
- if (retval) {
+ if (retval)
return retval;
- }
chip->cur_clk = clk;
@@ -878,9 +867,8 @@ int enable_card_clock(struct rtsx_chip *chip, u8 card)
clk_en |= MS_CLK_EN;
retval = rtsx_write_register(chip, CARD_CLK_EN, clk_en, clk_en);
- if (retval) {
+ if (retval)
return retval;
- }
return STATUS_SUCCESS;
}
@@ -898,9 +886,8 @@ int disable_card_clock(struct rtsx_chip *chip, u8 card)
clk_en |= MS_CLK_EN;
retval = rtsx_write_register(chip, CARD_CLK_EN, clk_en, 0);
- if (retval) {
+ if (retval)
return retval;
- }
return STATUS_SUCCESS;
}
@@ -924,9 +911,8 @@ int card_power_on(struct rtsx_chip *chip, u8 card)
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, mask, val1);
retval = rtsx_send_cmd(chip, 0, 100);
- if (retval != STATUS_SUCCESS) {
+ if (retval != STATUS_SUCCESS)
return STATUS_FAIL;
- }
udelay(chip->pmos_pwr_on_interval);
@@ -934,9 +920,8 @@ int card_power_on(struct rtsx_chip *chip, u8 card)
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, mask, val2);
retval = rtsx_send_cmd(chip, 0, 100);
- if (retval != STATUS_SUCCESS) {
+ if (retval != STATUS_SUCCESS)
return STATUS_FAIL;
- }
return STATUS_SUCCESS;
}
@@ -955,9 +940,8 @@ int card_power_off(struct rtsx_chip *chip, u8 card)
}
retval = rtsx_write_register(chip, CARD_PWR_CTL, mask, val);
- if (retval) {
+ if (retval)
return retval;
- }
return STATUS_SUCCESS;
}
@@ -969,9 +953,8 @@ int card_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip,
unsigned int lun = SCSI_LUN(srb);
int i;
- if (!chip->rw_card[lun]) {
+ if (!chip->rw_card[lun])
return STATUS_FAIL;
- }
for (i = 0; i < 3; i++) {
chip->rw_need_retry = 0;
@@ -1009,36 +992,33 @@ int card_share_mode(struct rtsx_chip *chip, int card)
if (CHECK_PID(chip, 0x5208)) {
mask = CARD_SHARE_MASK;
- if (card == SD_CARD) {
+ if (card == SD_CARD)
value = CARD_SHARE_48_SD;
- } else if (card == MS_CARD) {
+ else if (card == MS_CARD)
value = CARD_SHARE_48_MS;
- } else if (card == XD_CARD) {
+ else if (card == XD_CARD)
value = CARD_SHARE_48_XD;
- } else {
+ else
return STATUS_FAIL;
- }
} else if (CHECK_PID(chip, 0x5288)) {
mask = 0x03;
- if (card == SD_CARD) {
+ if (card == SD_CARD)
value = CARD_SHARE_BAROSSA_SD;
- } else if (card == MS_CARD) {
+ else if (card == MS_CARD)
value = CARD_SHARE_BAROSSA_MS;
- } else if (card == XD_CARD) {
+ else if (card == XD_CARD)
value = CARD_SHARE_BAROSSA_XD;
- } else {
+ else
return STATUS_FAIL;
- }
} else {
return STATUS_FAIL;
}
retval = rtsx_write_register(chip, CARD_SHARE_MODE, mask, value);
- if (retval) {
+ if (retval)
return retval;
- }
return STATUS_SUCCESS;
}
@@ -1050,28 +1030,25 @@ int select_card(struct rtsx_chip *chip, int card)
if (chip->cur_card != card) {
u8 mod;
- if (card == SD_CARD) {
+ if (card == SD_CARD)
mod = SD_MOD_SEL;
- } else if (card == MS_CARD) {
+ else if (card == MS_CARD)
mod = MS_MOD_SEL;
- } else if (card == XD_CARD) {
+ else if (card == XD_CARD)
mod = XD_MOD_SEL;
- } else if (card == SPI_CARD) {
+ else if (card == SPI_CARD)
mod = SPI_MOD_SEL;
- } else {
+ else
return STATUS_FAIL;
- }
retval = rtsx_write_register(chip, CARD_SELECT, 0x07, mod);
- if (retval) {
+ if (retval)
return retval;
- }
chip->cur_card = card;
retval = card_share_mode(chip, card);
- if (retval != STATUS_SUCCESS) {
+ if (retval != STATUS_SUCCESS)
return STATUS_FAIL;
- }
}
return STATUS_SUCCESS;
@@ -1120,9 +1097,8 @@ int detect_card_cd(struct rtsx_chip *chip, int card)
}
status = rtsx_readl(chip, RTSX_BIPR);
- if (!(status & card_cd)) {
+ if (!(status & card_cd))
return STATUS_FAIL;
- }
return STATUS_SUCCESS;
}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-05 00:44:28 +0200