On Tue, Feb 7, 2017 at 6:09 PM, Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote:
> pcim_iomap_table only returns the table of mapping, it does not perform
> them. For that, we need to call pcim_iomap, but only if that mapping was
> not done before.
Basically by this change you answered to one of my question during review.
FWIW:
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Fixes: d0aeaa83f0b0 ("serial: exar: split out the exar code from 8250_pci")
> Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
> ---
> drivers/tty/serial/8250/8250_exar.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
> index e6b44a7..58469d9 100644
> --- a/drivers/tty/serial/8250/8250_exar.c
> +++ b/drivers/tty/serial/8250/8250_exar.c
> @@ -72,6 +72,9 @@ static int default_setup(struct exar8250 *priv, struct pci_dev *pcidev,
> const struct exar8250_board *board = priv->board;
> unsigned int bar = 0;
>
> + if (!pcim_iomap_table(pcidev)[bar] && !pcim_iomap(pcidev, bar, 0))
> + return -ENOMEM;
> +
> port->port.iotype = UPIO_MEM;
> port->port.mapbase = pci_resource_start(pcidev, bar) + offset;
> port->port.membase = pcim_iomap_table(pcidev)[bar] + offset;
> --
> 2.1.4
>
--
With Best Regards,
Andy Shevchenko
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