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pinctrl: qcom: pmic-gpio/mpp: of_irq_count() == npins

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The number of interrupts is always equal to the number of pins
provided by the PMIC gpio and MPP hardware blocks. Count the
number of irqs to figure out the number of pins instead of adding
more compatible strings or doing math on the reg property. This
should make the code more generic and ease the number of changes
we have to make to the driver for each new pmic revision.

Cc: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: Andy Gross <agross@codeaurora.org>
Reviewed-by: Björn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Stephen Boyd
2015-11-18 11:33:17 -08:00
committed by Linus Walleij
parent beee39099b
commit ab4256cfea
4 changed files with 32 additions and 23 deletions
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12
drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
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@@ -14,6 +14,7 @@
#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/pinctrl/pinconf-generic.h>
#include <linux/pinctrl/pinconf.h>
#include <linux/pinctrl/pinmux.h>
@@ -693,16 +694,15 @@ static int pmic_gpio_probe(struct platform_device *pdev)
struct pmic_gpio_pad *pad, *pads;
struct pmic_gpio_state *state;
int ret, npins, i;
u32 res[2];
u32 reg;
ret = of_property_read_u32_array(dev->of_node, "reg", res, 2);
ret = of_property_read_u32(dev->of_node, "reg", &reg);
if (ret < 0) {
dev_err(dev, "missing base address and/or range");
dev_err(dev, "missing base address");
return ret;
}
npins = res[1] / PMIC_GPIO_ADDRESS_RANGE;
npins = of_irq_count(dev->of_node);
if (!npins)
return -EINVAL;
@@ -752,7 +752,7 @@ static int pmic_gpio_probe(struct platform_device *pdev)
if (pad->irq < 0)
return pad->irq;
pad->base = res[0] + i * PMIC_GPIO_ADDRESS_RANGE;
pad->base = reg + i * PMIC_GPIO_ADDRESS_RANGE;
ret = pmic_gpio_populate(state, pad);
if (ret < 0)