On 01/07/2021 10:00, Akhil R wrote:
> Add ACPI module ID to probe the driver from the ACPI based bootloader
> firmware.
>
> Signed-off-by: Akhil R <akhilrajeev@xxxxxxxxxx>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> ---
> v5 changes:
> * Updated ioremap_resource check as per Jon's comments.
>
> drivers/gpio/gpio-tegra186.c | 30 ++++++++++++++++++++++++------
> 1 file changed, 24 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c
> index 1bd9e44..8a64dcb 100644
> --- a/drivers/gpio/gpio-tegra186.c
> +++ b/drivers/gpio/gpio-tegra186.c
> @@ -620,15 +620,21 @@ static int tegra186_gpio_probe(struct platform_device *pdev)
> if (!gpio)
> return -ENOMEM;
>
> - gpio->soc = of_device_get_match_data(&pdev->dev);
> + gpio->soc = device_get_match_data(&pdev->dev);
>
> gpio->secure = devm_platform_ioremap_resource_byname(pdev, "security");
> - if (IS_ERR(gpio->secure))
> - return PTR_ERR(gpio->secure);
> + if (IS_ERR(gpio->secure)) {
> + gpio->secure = devm_platform_ioremap_resource(pdev, 0);
> + if (IS_ERR(gpio->secure))
> + return PTR_ERR(gpio->secure);
> + }
>
> gpio->base = devm_platform_ioremap_resource_byname(pdev, "gpio");
> - if (IS_ERR(gpio->base))
> - return PTR_ERR(gpio->base);
> + if (IS_ERR(gpio->base)) {
> + gpio->base = devm_platform_ioremap_resource(pdev, 1);
> + if (IS_ERR(gpio->base))
> + return PTR_ERR(gpio->base);
> + }
>
> err = platform_irq_count(pdev);
> if (err < 0)
> @@ -690,11 +696,13 @@ static int tegra186_gpio_probe(struct platform_device *pdev)
>
> gpio->gpio.names = (const char * const *)names;
>
> +#if defined(CONFIG_OF_GPIO)
> gpio->gpio.of_node = pdev->dev.of_node;
> gpio->gpio.of_gpio_n_cells = 2;
> gpio->gpio.of_xlate = tegra186_gpio_of_xlate;
> +#endif /* CONFIG_OF_GPIO */
>
> - gpio->intc.name = pdev->dev.of_node->name;
> + gpio->intc.name = dev_name(&pdev->dev);
> gpio->intc.irq_ack = tegra186_irq_ack;
> gpio->intc.irq_mask = tegra186_irq_mask;
> gpio->intc.irq_unmask = tegra186_irq_unmask;
> @@ -918,10 +926,20 @@ static const struct of_device_id tegra186_gpio_of_match[] = {
> };
> MODULE_DEVICE_TABLE(of, tegra186_gpio_of_match);
>
> +static const struct acpi_device_id tegra186_gpio_acpi_match[] = {
> + { .id = "NVDA0108", .driver_data = (kernel_ulong_t)&tegra186_main_soc },
> + { .id = "NVDA0208", .driver_data = (kernel_ulong_t)&tegra186_aon_soc },
> + { .id = "NVDA0308", .driver_data = (kernel_ulong_t)&tegra194_main_soc },
> + { .id = "NVDA0408", .driver_data = (kernel_ulong_t)&tegra194_aon_soc },
> + {}
> +};
> +MODULE_DEVICE_TABLE(acpi, tegra186_gpio_acpi_match);
> +
> static struct platform_driver tegra186_gpio_driver = {
> .driver = {
> .name = "tegra186-gpio",
> .of_match_table = tegra186_gpio_of_match,
> + .acpi_match_table = tegra186_gpio_acpi_match,
> },
> .probe = tegra186_gpio_probe,
> .remove = tegra186_gpio_remove,
>
Looks good to me.
Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx>
Cheers
Jon
--
nvpublic
