diff options
| author | Fabio Falzoi <fabio.falzoi84@gmail.com> | 2014-10-19 21:30:03 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-10-29 17:28:51 +0800 |
| commit | 506fe17daee8040f642150df504db09a4573214e (patch) | |
| tree | 81226dafc08e9ff8702f40b6337452b99d3ec9fb /drivers/staging/rts5208/rtsx_chip.c | |
| parent | 5d069c8886fe80ce001dd6bdfadee1d42a6c8efa (diff) | |
Staging: rts5208: helper function to enable interrupts during reset
Define the helper function rtsx_enable_pcie_intr 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/rtsx_chip.c')
| -rw-r--r-- | drivers/staging/rts5208/rtsx_chip.c | 95 |
1 files changed, 48 insertions, 47 deletions
diff --git a/drivers/staging/rts5208/rtsx_chip.c b/drivers/staging/rts5208/rtsx_chip.c index ea6cfd1f7282..9593d8132938 100644 --- a/drivers/staging/rts5208/rtsx_chip.c +++ b/drivers/staging/rts5208/rtsx_chip.c @@ -263,6 +263,51 @@ static int rtsx_reset_aspm(struct rtsx_chip *chip) return STATUS_SUCCESS; } +static int rtsx_enable_pcie_intr(struct rtsx_chip *chip) +{ + int ret; + + if (!chip->asic_code || !CHECK_PID(chip, 0x5208)) { + rtsx_enable_bus_int(chip); + return STATUS_SUCCESS; + } + + if (chip->phy_debug_mode) { + RTSX_WRITE_REG(chip, CDRESUMECTL, 0x77, 0); + rtsx_disable_bus_int(chip); + } else { + rtsx_enable_bus_int(chip); + } + + if (chip->ic_version >= IC_VER_D) { + u16 reg; + + ret = rtsx_read_phy_register(chip, 0x00, ®); + if (ret != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + reg &= 0xFE7F; + reg |= 0x80; + ret = rtsx_write_phy_register(chip, 0x00, reg); + if (ret != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + ret = rtsx_read_phy_register(chip, 0x1C, ®); + if (ret != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + + reg &= 0xFFF7; + ret = rtsx_write_phy_register(chip, 0x1C, reg); + if (ret != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); + } + + if (chip->driver_first_load && (chip->ic_version < IC_VER_C)) + rtsx_calibration(chip); + + return STATUS_SUCCESS; +} + int rtsx_reset_chip(struct rtsx_chip *chip) { int retval; @@ -367,53 +412,9 @@ int rtsx_reset_chip(struct rtsx_chip *chip) RTSX_WRITE_REG(chip, PERST_GLITCH_WIDTH, 0xFF, 0x80); - /* Enable PCIE interrupt */ - if (chip->asic_code) { - if (CHECK_PID(chip, 0x5208)) { - if (chip->phy_debug_mode) { - RTSX_WRITE_REG(chip, CDRESUMECTL, 0x77, 0); - rtsx_disable_bus_int(chip); - } else { - rtsx_enable_bus_int(chip); - } - - if (chip->ic_version >= IC_VER_D) { - u16 reg; - - retval = rtsx_read_phy_register(chip, 0x00, - ®); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - reg &= 0xFE7F; - reg |= 0x80; - retval = rtsx_write_phy_register(chip, 0x00, - reg); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - retval = rtsx_read_phy_register(chip, 0x1C, - ®); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - - reg &= 0xFFF7; - retval = rtsx_write_phy_register(chip, 0x1C, - reg); - if (retval != STATUS_SUCCESS) - TRACE_RET(chip, STATUS_FAIL); - } - - if (chip->driver_first_load && - (chip->ic_version < IC_VER_C)) - rtsx_calibration(chip); - - } else { - rtsx_enable_bus_int(chip); - } - } else { - rtsx_enable_bus_int(chip); - } + retval = rtsx_enable_pcie_intr(chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, STATUS_FAIL); chip->need_reset = 0; |