From: Jan Kiszka Date: Tue, 2 May 2017 06:42:40 +0000 (+0200) Subject: gpio: exar: Fix iomap request X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8847f5f9ef554269d2a06100b311d363b9727da6;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git gpio: exar: Fix iomap request The UART driver already maps the resource for us. Trying to do this here only fails and leaves us with a non-working device. Signed-off-by: Jan Kiszka Reviewed-by: Andy Shevchenko Acked-by: Linus Walleij --- diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c index 139d54008ad0..f3585a184f39 100644 --- a/drivers/gpio/gpio-exar.c +++ b/drivers/gpio/gpio-exar.c @@ -125,14 +125,10 @@ static int gpio_exar_probe(struct platform_device *pdev) int index, ret; /* - * Map the pci device to get the register addresses. - * We will need to read and write those registers to control - * the GPIO pins. - * Using managed functions will save us from unmaping on exit. - * As the device is enabled using managed functions by the - * UART driver we can also use managed functions here. + * The UART driver must have mapped region 0 prior to registering this + * device - use it. */ - p = pcim_iomap(pcidev, 0, 0); + p = pcim_iomap_table(pcidev)[0]; if (!p) return -ENOMEM;