[PATCH V4 2/2] gpio: eic-sprd: Optimize the calculation method of eic number
From: Wenhua Lin
Date: Tue Jan 09 2024 - 02:40:00 EST
The num_eics is a default value, but some SoCs support more than 8.
In order to adapt to all projects, the total number of eics is
automatically calculated through dts.
Signed-off-by: Wenhua Lin <Wenhua.Lin@xxxxxxxxxx>
---
drivers/gpio/gpio-eic-sprd.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c
index 806b88d8dfb7..2dd0e46c42ad 100644
--- a/drivers/gpio/gpio-eic-sprd.c
+++ b/drivers/gpio/gpio-eic-sprd.c
@@ -108,7 +108,6 @@ static struct sprd_eic *to_sprd_eic(struct notifier_block *nb)
struct sprd_eic_variant_data {
enum sprd_eic_type type;
- u32 num_eics;
};
static const char *sprd_eic_label_name[SPRD_EIC_MAX] = {
@@ -118,22 +117,18 @@ static const char *sprd_eic_label_name[SPRD_EIC_MAX] = {
static const struct sprd_eic_variant_data sc9860_eic_dbnc_data = {
.type = SPRD_EIC_DEBOUNCE,
- .num_eics = 8,
};
static const struct sprd_eic_variant_data sc9860_eic_latch_data = {
.type = SPRD_EIC_LATCH,
- .num_eics = 8,
};
static const struct sprd_eic_variant_data sc9860_eic_async_data = {
.type = SPRD_EIC_ASYNC,
- .num_eics = 8,
};
static const struct sprd_eic_variant_data sc9860_eic_sync_data = {
.type = SPRD_EIC_SYNC,
- .num_eics = 8,
};
static inline void __iomem *sprd_eic_offset_base(struct sprd_eic *sprd_eic,
@@ -619,6 +614,7 @@ static int sprd_eic_probe(struct platform_device *pdev)
struct gpio_irq_chip *irq;
struct sprd_eic *sprd_eic;
struct resource *res;
+ u16 num_banks = 0;
int ret, i;
pdata = of_device_get_match_data(dev);
@@ -652,10 +648,12 @@ static int sprd_eic_probe(struct platform_device *pdev)
sprd_eic->base[i] = devm_ioremap_resource(dev, res);
if (IS_ERR(sprd_eic->base[i]))
return PTR_ERR(sprd_eic->base[i]);
+
+ num_banks++;
}
sprd_eic->chip.label = sprd_eic_label_name[sprd_eic->type];
- sprd_eic->chip.ngpio = pdata->num_eics;
+ sprd_eic->chip.ngpio = num_banks * SPRD_EIC_PER_BANK_NR;
sprd_eic->chip.base = -1;
sprd_eic->chip.parent = dev;
sprd_eic->chip.direction_input = sprd_eic_direction_input;
--
2.17.1