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| author | Fabio Falzoi <fabio.falzoi84@gmail.com> | 2014-10-19 19:30:02 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-10-29 09:28:51 (GMT) |
| commit | 5d069c8886fe80ce001dd6bdfadee1d42a6c8efa (patch) | |
| tree | 35349ffa0b00a822d5dd8519290c457df5f13b70 /drivers/staging/rts5208 | |
| parent | b7da2d68bb72b9565747bf4b5e785428867b4165 (diff) | |
| download | linux-5d069c8886fe80ce001dd6bdfadee1d42a6c8efa.tar.xz | |
Staging: rts5208: helper function to manage aspm during reset
Define the helper function rtsx_reset_aspm to shorten the
rtsx_reset_chip code and get rid of the LONG_LINE checkpatch warnings.
Signed-off-by: Fabio Falzoi <fabio.falzoi84@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpente@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rts5208')
| -rw-r--r-- | drivers/staging/rts5208/rtsx_chip.c | 70 |
1 files changed, 39 insertions, 31 deletions
diff --git a/drivers/staging/rts5208/rtsx_chip.c b/drivers/staging/rts5208/rtsx_chip.c index ffcf5de..ea6cfd1 100644 --- a/drivers/staging/rts5208/rtsx_chip.c +++ b/drivers/staging/rts5208/rtsx_chip.c @@ -227,6 +227,42 @@ static int rtsx_pre_handle_sdio_new(struct rtsx_chip *chip) } #endif +static int rtsx_reset_aspm(struct rtsx_chip *chip) +{ + int ret; + + if (chip->dynamic_aspm) { + if (!CHK_SDIO_EXIST(chip) || !CHECK_PID(chip, 0x5288)) + return STATUS_SUCCESS; + + ret = rtsx_write_cfg_dw(chip, 2, 0xC0, 0xFF, + chip->aspm_l0s_l1_en); + if (ret != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + return STATUS_SUCCESS; + } + + if (CHECK_PID(chip, 0x5208)) + RTSX_WRITE_REG(chip, ASPM_FORCE_CTL, 0xFF, 0x3F); + ret = rtsx_write_config_byte(chip, LCTLR, chip->aspm_l0s_l1_en); + if (ret != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + chip->aspm_level[0] = chip->aspm_l0s_l1_en; + if (CHK_SDIO_EXIST(chip)) { + chip->aspm_level[1] = chip->aspm_l0s_l1_en; + ret = rtsx_write_cfg_dw(chip, CHECK_PID(chip, 0x5288) ? 2 : 1, + 0xC0, 0xFF, chip->aspm_l0s_l1_en); + if (ret != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + } + + chip->aspm_enabled = 1; + + return STATUS_SUCCESS; +} + int rtsx_reset_chip(struct rtsx_chip *chip) { int retval; @@ -289,37 +325,9 @@ int rtsx_reset_chip(struct rtsx_chip *chip) /* Enable ASPM */ if (chip->aspm_l0s_l1_en) { - if (chip->dynamic_aspm) { - if (CHK_SDIO_EXIST(chip) && CHECK_PID(chip, 0x5288)) { - retval = rtsx_write_cfg_dw(chip, 2, 0xC0, 0xFF, - chip->aspm_l0s_l1_en); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - } - } else { - if (CHECK_PID(chip, 0x5208)) - RTSX_WRITE_REG(chip, ASPM_FORCE_CTL, - 0xFF, 0x3F); - - retval = rtsx_write_config_byte(chip, LCTLR, - chip->aspm_l0s_l1_en); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - chip->aspm_level[0] = chip->aspm_l0s_l1_en; - if (CHK_SDIO_EXIST(chip)) { - chip->aspm_level[1] = chip->aspm_l0s_l1_en; - retval = rtsx_write_cfg_dw(chip, - CHECK_PID(chip, 0x5288) ? 2 : 1, - 0xC0, 0xFF, - chip->aspm_l0s_l1_en); - - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - } - - chip->aspm_enabled = 1; - } + retval = rtsx_reset_aspm(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); } else { if (chip->asic_code && CHECK_PID(chip, 0x5208)) { retval = rtsx_write_phy_register(chip, 0x07, 0x0129); |