diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2024-05-03 20:15:53 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-04 18:09:29 +0200 |
| commit | 53ea31bb6b8a132bb7994b1dd211d715f1b0c0d7 (patch) | |
| tree | 529d849b87ef2714500355aa9df6cc20725ede35 /drivers/tty/serial | |
| parent | 660a708098569a66a47d0abdad998e29e1259de6 (diff) | |
serial: 8250_exar: Don't return positive values as error codes
PCI core may return positive codes for the specific errors.
There is a special API to convert them to negative stanrard ones.
Use that API to avoid returning positive values as error codes.
Fixes: f7ce07062988 ("serial: exar: add CTI specific setup code")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Parker Newman <pnewman@connecttech.com>
Link: https://lore.kernel.org/r/20240503171917.2921250-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/8250/8250_exar.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index 5e42558cbb01..9930668610ca 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -1162,12 +1162,12 @@ static int cti_board_init_fpga(struct exar8250 *priv, struct pci_dev *pcidev) // Enable external interrupts in special cfg space register ret = pci_read_config_word(pcidev, CTI_FPGA_CFG_INT_EN_REG, &cfg_val); if (ret) - return ret; + return pcibios_err_to_errno(ret); cfg_val |= CTI_FPGA_CFG_INT_EN_EXT_BIT; ret = pci_write_config_word(pcidev, CTI_FPGA_CFG_INT_EN_REG, cfg_val); if (ret) - return ret; + return pcibios_err_to_errno(ret); // RS485 gate needs to be enabled; otherwise RTS/CTS will not work exar_write_reg(priv, CTI_FPGA_RS485_IO_REG, 0x01); |