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gpio: tegra: Don't open code of_device_get_match_data() 

Use of_device_get_match_data() for getting matched data
instead of implementing this locally.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Laxman Dewangan 2016-04-25 16:08:31 +05:30 committed by Linus Walleij
parent 3484f1be2d
commit 171b92c830
1 changed files with 24 additions and 26 deletions
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50
drivers/gpio/gpio-tegra.c
View File

@ -75,6 +75,11 @@ struct tegra_gpio_bank {
#endif
};
struct tegra_gpio_soc_config {
u32 bank_stride;
u32 upper_offset;
};
static struct device *dev;
static struct irq_domain *irq_domain;
static void __iomem *regs;
@ -445,27 +450,6 @@ static const struct dev_pm_ops tegra_gpio_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(tegra_gpio_suspend, tegra_gpio_resume)
};
struct tegra_gpio_soc_config {
u32 bank_stride;
u32 upper_offset;
};
static struct tegra_gpio_soc_config tegra20_gpio_config = {
.bank_stride = 0x80,
.upper_offset = 0x800,
};
static struct tegra_gpio_soc_config tegra30_gpio_config = {
.bank_stride = 0x100,
.upper_offset = 0x80,
};
static const struct of_device_id tegra_gpio_of_match[] = {
{ .compatible = "nvidia,tegra30-gpio", .data = &tegra30_gpio_config },
{ .compatible = "nvidia,tegra20-gpio", .data = &tegra20_gpio_config },
{ },
};
/* This lock class tells lockdep that GPIO irqs are in a different
* category than their parents, so it won't report false recursion.
*/
@ -473,8 +457,7 @@ static struct lock_class_key gpio_lock_class;
static int tegra_gpio_probe(struct platform_device *pdev)
{
const struct of_device_id *match;
struct tegra_gpio_soc_config *config;
const struct tegra_gpio_soc_config *config;
struct resource *res;
struct tegra_gpio_bank *bank;
int ret;
@ -484,12 +467,11 @@ static int tegra_gpio_probe(struct platform_device *pdev)
dev = &pdev->dev;
match = of_match_device(tegra_gpio_of_match, &pdev->dev);
if (!match) {
config = of_device_get_match_data(&pdev->dev);
if (!config) {
dev_err(&pdev->dev, "Error: No device match found\n");
return -ENODEV;
}
config = (struct tegra_gpio_soc_config *)match->data;
tegra_gpio_bank_stride = config->bank_stride;
tegra_gpio_upper_offset = config->upper_offset;
@ -578,6 +560,22 @@ static int tegra_gpio_probe(struct platform_device *pdev)
return 0;
}
static struct tegra_gpio_soc_config tegra20_gpio_config = {
.bank_stride = 0x80,
.upper_offset = 0x800,
};
static struct tegra_gpio_soc_config tegra30_gpio_config = {
.bank_stride = 0x100,
.upper_offset = 0x80,
};
static const struct of_device_id tegra_gpio_of_match[] = {
{ .compatible = "nvidia,tegra30-gpio", .data = &tegra30_gpio_config },
{ .compatible = "nvidia,tegra20-gpio", .data = &tegra20_gpio_config },
{ },
};
static struct platform_driver tegra_gpio_driver = {
.driver = {
.name = "tegra-gpio",