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tty: serial: export serial_8250_warn_need_ioport

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The newly added function is used from a loadable module, so it has
to be exported the same way as the other function in this file:

ERROR: modpost: "serial_8250_warn_need_ioport" [drivers/tty/serial/8250/8250_pci.ko] undefined!

Fixes: 7c7e6c8924 ("tty: serial: handle HAS_IOPORT dependencies")
Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2024-10-29 10:36:32 +00:00
parent 5a8b4b4001
commit c0dc92144b
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1 changed files with 1 additions and 0 deletions
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drivers/tty/serial/8250/8250_pcilib.c
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@ -19,6 +19,7 @@ int serial_8250_warn_need_ioport(struct pci_dev *dev)
return -ENXIO;
}
EXPORT_SYMBOL_NS_GPL(serial_8250_warn_need_ioport, SERIAL_8250_PCI);
int serial8250_pci_setup_port(struct pci_dev *dev, struct uart_8250_port *port,
u8 bar, unsigned int offset, int regshift)