From 8ee775f92c8af2eb1626d39f06feac04fe0cb6e0 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Wed, 25 Mar 2015 12:54:26 -0700 Subject: staging: rts5208: Remove RTSX_READ_REG and RTSX_WRITE_REG macros Macros with hidden flow control are bad form as the code path taken can be unexpected for the reader. Expand these in-place and remove the macros. Done with coccinelle script: @@ expression chip; expression arg1; expression arg2; expression arg3; @@ - RTSX_WRITE_REG(chip, arg1, arg2, arg3); + retval = rtsx_write_register(chip, arg1, arg2, arg3); + if (retval) { + rtsx_trace(chip); + return retval; + } @@ expression chip; expression arg1; expression arg2; @@ - RTSX_READ_REG(chip, arg1, arg2); + retval = rtsx_read_register(chip, arg1, arg2); + if (retval) { + rtsx_trace(chip); + return retval; + } Signed-off-by: Joe Perches Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rts5208/xd.c | 154 +++++++++++++++++++++++++++++++++++-------- 1 file changed, 127 insertions(+), 27 deletions(-) (limited to 'drivers/staging/rts5208/xd.c') diff --git a/drivers/staging/rts5208/xd.c b/drivers/staging/rts5208/xd.c index 2afa6021c33b..8fd108e50509 100644 --- a/drivers/staging/rts5208/xd.c +++ b/drivers/staging/rts5208/xd.c @@ -252,14 +252,22 @@ static int xd_read_cis(struct rtsx_chip *chip, u32 page_addr, u8 *buf, return STATUS_FAIL; } - RTSX_READ_REG(chip, XD_PAGE_STATUS, ®); + retval = rtsx_read_register(chip, XD_PAGE_STATUS, ®); + if (retval) { + rtsx_trace(chip); + return retval; + } if (reg != XD_GPG) { rtsx_clear_xd_error(chip); rtsx_trace(chip); return STATUS_FAIL; } - RTSX_READ_REG(chip, XD_CTL, ®); + retval = rtsx_read_register(chip, XD_CTL, ®); + if (retval) { + rtsx_trace(chip); + return retval; + } if (!(reg & XD_ECC1_ERROR) || !(reg & XD_ECC1_UNCORRECTABLE)) { retval = xd_read_data_from_ppb(chip, 0, buf, buf_len); if (retval != STATUS_SUCCESS) { @@ -269,8 +277,18 @@ static int xd_read_cis(struct rtsx_chip *chip, u32 page_addr, u8 *buf, if (reg & XD_ECC1_ERROR) { u8 ecc_bit, ecc_byte; - RTSX_READ_REG(chip, XD_ECC_BIT1, &ecc_bit); - RTSX_READ_REG(chip, XD_ECC_BYTE1, &ecc_byte); + retval = rtsx_read_register(chip, XD_ECC_BIT1, + &ecc_bit); + if (retval) { + rtsx_trace(chip); + return retval; + } + retval = rtsx_read_register(chip, XD_ECC_BYTE1, + &ecc_byte); + if (retval) { + rtsx_trace(chip); + return retval; + } dev_dbg(rtsx_dev(chip), "ECC_BIT1 = 0x%x, ECC_BYTE1 = 0x%x\n", ecc_bit, ecc_byte); @@ -293,8 +311,18 @@ static int xd_read_cis(struct rtsx_chip *chip, u32 page_addr, u8 *buf, if (reg & XD_ECC2_ERROR) { u8 ecc_bit, ecc_byte; - RTSX_READ_REG(chip, XD_ECC_BIT2, &ecc_bit); - RTSX_READ_REG(chip, XD_ECC_BYTE2, &ecc_byte); + retval = rtsx_read_register(chip, XD_ECC_BIT2, + &ecc_bit); + if (retval) { + rtsx_trace(chip); + return retval; + } + retval = rtsx_read_register(chip, XD_ECC_BYTE2, + &ecc_byte); + if (retval) { + rtsx_trace(chip); + return retval; + } dev_dbg(rtsx_dev(chip), "ECC_BIT2 = 0x%x, ECC_BYTE2 = 0x%x\n", ecc_bit, ecc_byte); @@ -385,24 +413,71 @@ static void xd_fill_pull_ctl_enable(struct rtsx_chip *chip) static int xd_pull_ctl_disable(struct rtsx_chip *chip) { + int retval; + if (CHECK_PID(chip, 0x5208)) { - RTSX_WRITE_REG(chip, CARD_PULL_CTL1, 0xFF, - XD_D3_PD | XD_D2_PD | XD_D1_PD | XD_D0_PD); - RTSX_WRITE_REG(chip, CARD_PULL_CTL2, 0xFF, - XD_D7_PD | XD_D6_PD | XD_D5_PD | XD_D4_PD); - RTSX_WRITE_REG(chip, CARD_PULL_CTL3, 0xFF, - XD_WP_PD | XD_CE_PD | XD_CLE_PD | XD_CD_PU); - RTSX_WRITE_REG(chip, CARD_PULL_CTL4, 0xFF, - XD_RDY_PD | XD_WE_PD | XD_RE_PD | XD_ALE_PD); - RTSX_WRITE_REG(chip, CARD_PULL_CTL5, 0xFF, - MS_INS_PU | SD_WP_PD | SD_CD_PU | SD_CMD_PD); - RTSX_WRITE_REG(chip, CARD_PULL_CTL6, 0xFF, MS_D5_PD | MS_D4_PD); + retval = rtsx_write_register(chip, CARD_PULL_CTL1, 0xFF, + XD_D3_PD | XD_D2_PD | XD_D1_PD | XD_D0_PD); + if (retval) { + rtsx_trace(chip); + return retval; + } + retval = rtsx_write_register(chip, CARD_PULL_CTL2, 0xFF, + XD_D7_PD | XD_D6_PD | XD_D5_PD | XD_D4_PD); + if (retval) { + rtsx_trace(chip); + return retval; + } + retval = rtsx_write_register(chip, CARD_PULL_CTL3, 0xFF, + XD_WP_PD | XD_CE_PD | XD_CLE_PD | XD_CD_PU); + if (retval) { + rtsx_trace(chip); + return retval; + } + retval = rtsx_write_register(chip, CARD_PULL_CTL4, 0xFF, + XD_RDY_PD | XD_WE_PD | XD_RE_PD | XD_ALE_PD); + if (retval) { + rtsx_trace(chip); + return retval; + } + retval = rtsx_write_register(chip, CARD_PULL_CTL5, 0xFF, + MS_INS_PU | SD_WP_PD | SD_CD_PU | SD_CMD_PD); + if (retval) { + rtsx_trace(chip); + return retval; + } + retval = rtsx_write_register(chip, CARD_PULL_CTL6, 0xFF, + MS_D5_PD | MS_D4_PD); + if (retval) { + rtsx_trace(chip); + return retval; + } } else if (CHECK_PID(chip, 0x5288)) { if (CHECK_BARO_PKG(chip, QFN)) { - RTSX_WRITE_REG(chip, CARD_PULL_CTL1, 0xFF, 0x55); - RTSX_WRITE_REG(chip, CARD_PULL_CTL2, 0xFF, 0x55); - RTSX_WRITE_REG(chip, CARD_PULL_CTL3, 0xFF, 0x4B); - RTSX_WRITE_REG(chip, CARD_PULL_CTL4, 0xFF, 0x69); + retval = rtsx_write_register(chip, CARD_PULL_CTL1, + 0xFF, 0x55); + if (retval) { + rtsx_trace(chip); + return retval; + } + retval = rtsx_write_register(chip, CARD_PULL_CTL2, + 0xFF, 0x55); + if (retval) { + rtsx_trace(chip); + return retval; + } + retval = rtsx_write_register(chip, CARD_PULL_CTL3, + 0xFF, 0x4B); + if (retval) { + rtsx_trace(chip); + return retval; + } + retval = rtsx_write_register(chip, CARD_PULL_CTL4, + 0xFF, 0x69); + if (retval) { + rtsx_trace(chip); + return retval; + } } } @@ -1144,7 +1219,12 @@ static int xd_copy_page(struct rtsx_chip *chip, u32 old_blk, u32 new_blk, XD_CLR_BAD_NEWBLK(xd_card); - RTSX_WRITE_REG(chip, CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER); + retval = rtsx_write_register(chip, CARD_DATA_SOURCE, 0x01, + PINGPONG_BUFFER); + if (retval) { + rtsx_trace(chip); + return retval; + } for (i = start_page; i < end_page; i++) { if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) { @@ -1619,12 +1699,20 @@ static int xd_read_multiple_pages(struct rtsx_chip *chip, u32 phy_blk, return STATUS_SUCCESS; Fail: - RTSX_READ_REG(chip, XD_PAGE_STATUS, ®_val); + retval = rtsx_read_register(chip, XD_PAGE_STATUS, ®_val); + if (retval) { + rtsx_trace(chip); + return retval; + } if (reg_val != XD_GPG) xd_set_err_code(chip, XD_PRG_ERROR); - RTSX_READ_REG(chip, XD_CTL, ®_val); + retval = rtsx_read_register(chip, XD_CTL, ®_val); + if (retval) { + rtsx_trace(chip); + return retval; + } if (((reg_val & (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE)) == (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE)) @@ -1847,7 +1935,11 @@ static int xd_write_multiple_pages(struct rtsx_chip *chip, u32 old_blk, return STATUS_SUCCESS; Fail: - RTSX_READ_REG(chip, XD_DAT, ®_val); + retval = rtsx_read_register(chip, XD_DAT, ®_val); + if (retval) { + rtsx_trace(chip); + return retval; + } if (reg_val & PROGRAM_ERROR) { xd_set_err_code(chip, XD_PRG_ERROR); xd_mark_bad_block(chip, new_blk); @@ -2197,7 +2289,11 @@ int xd_power_off_card3v3(struct rtsx_chip *chip) return STATUS_FAIL; } - RTSX_WRITE_REG(chip, CARD_OE, XD_OUTPUT_EN, 0); + retval = rtsx_write_register(chip, CARD_OE, XD_OUTPUT_EN, 0); + if (retval) { + rtsx_trace(chip); + return retval; + } if (!chip->ft2_fast_mode) { retval = card_power_off(chip, XD_CARD); @@ -2216,7 +2312,11 @@ int xd_power_off_card3v3(struct rtsx_chip *chip) return STATUS_FAIL; } } else { - RTSX_WRITE_REG(chip, FPGA_PULL_CTL, 0xFF, 0xDF); + retval = rtsx_write_register(chip, FPGA_PULL_CTL, 0xFF, 0xDF); + if (retval) { + rtsx_trace(chip); + return retval; + } } return STATUS_SUCCESS; -- cgit v1.2.3