Hi Arnd,
On Wed, Jul 31, 2019 at 4:00 PM Arnd Bergmann <arnd@xxxxxxxx> wrote:
>
> The driver uses hardwire MMIO addresses instead of the data
> that is passed in device tree. Change it over to only
> hardcode the register offset values and allow compile-testing.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/gpio/Kconfig | 8 +++++
> drivers/gpio/Makefile | 2 +-
> drivers/gpio/gpio-lpc32xx.c | 63 ++++++++++++++++++++++++-------------
> 3 files changed, 50 insertions(+), 23 deletions(-)
>
[...]
> diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
> index 24885b3db3d5..548f7cb69386 100644
> --- a/drivers/gpio/gpio-lpc32xx.c
> +++ b/drivers/gpio/gpio-lpc32xx.c
[...]
> @@ -498,6 +509,10 @@ static int lpc32xx_gpio_probe(struct platform_device *pdev)
> {
> int i;
>
> + gpio_reg_base = devm_platform_ioremap_resource(pdev, 0);
> + if (gpio_reg_base)
> + return -ENXIO;
The probe function will always return an error.
Please replace the previous 2 lines with:
if (IS_ERR(gpio_reg_base))
return PTR_ERR(gpio_reg_base);
You can add my acked-by and tested-by in the v2 patch.
Acked-by: Sylvain Lemieux <slemieux.tyco@xxxxxxxxx>
Tested-by: Sylvain Lemieux <slemieux.tyco@xxxxxxxxx>
> +
> for (i = 0; i < ARRAY_SIZE(lpc32xx_gpiochip); i++) {
> if (pdev->dev.of_node) {
> lpc32xx_gpiochip[i].chip.of_xlate = lpc32xx_of_xlate;
> @@ -527,3 +542,7 @@ static struct platform_driver lpc32xx_gpio_driver = {
> };
>
> module_platform_driver(lpc32xx_gpio_driver);
> +
> +MODULE_AUTHOR("Kevin Wells <kevin.wells@xxxxxxx>");
> +MODULE_LICENSE("GPL");
> +MODULE_DESCRIPTION("GPIO driver for LPC32xx SoC");
> --
> 2.20.0
>
Sylvain
