serial: 8250_pci: use to_pci_dev()
Use to_pci_dev() instead of open-coding it. Signed-off-by: Geliang Tang <geliangtang@163.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1541,10 +1541,9 @@ pci_brcm_trumanage_setup(struct serial_private *priv,
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static int pci_fintek_rs485_config(struct uart_port *port,
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struct serial_rs485 *rs485)
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{
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struct pci_dev *pci_dev = to_pci_dev(port->dev);
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u8 setting;
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u8 *index = (u8 *) port->private_data;
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struct pci_dev *pci_dev = container_of(port->dev, struct pci_dev,
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dev);
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pci_read_config_byte(pci_dev, 0x40 + 8 * *index + 7, &setting);
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