Commit 44a0d880 authored by Wenhua Lin's avatar Wenhua Lin Committed by Bartosz Golaszewski
Browse files

gpio: eic-sprd: Optimize the calculation method of eic number 



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: default avatarWenhua Lin <Wenhua.Lin@unisoc.com>
Acked-by: default avatarChunyan Zhang <zhang.lyra@gmail.com>
Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
parent c055f7ed

drivers/gpio/gpio-eic-sprd.c

+4 −6
Original line number Diff line number Diff line
@@ -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,
@@ -595,6 +590,7 @@ 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);
@@ -628,10 +624,12 @@ 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;