serial: exar: Enable MSI support
authorJan Kiszka <jan.kiszka@siemens.com>
Wed, 8 Feb 2017 16:09:09 +0000 (17:09 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 10 Feb 2017 14:13:26 +0000 (15:13 +0100)
commit172c33cb61da0df5ccbdf1a8e736c8837d165a00
treec4970cf40db51135afffcdaf524477c0e85ef1b2
parent7e12357ed64afdc8e60d64b8f8f17d711acf950a
serial: exar: Enable MSI support

Use pci_alloc_irq_vectors to enable MSI when available. At least the
XR17V352 supports this.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/8250/8250_exar.c