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gpio: tc3589x: get rid of static IRQ base

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The static IRQ base is not used on any platforms with this chip
(only Ux500). Get rid of it forever, and rely on dynamic IRQ
descriptor allocation.

Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2014-04-09 12:50:40 +02:00
parent 033f275236
commit 5c81f2078b
2 changed files with 1 additions and 10 deletions
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10
drivers/gpio/gpio-tc3589x.c
View File

@ -32,9 +32,6 @@ struct tc3589x_gpio {
struct device *dev;
struct mutex irq_lock;
struct irq_domain *domain;
int irq_base;
/* Caches of interrupt control registers for bus_lock */
u8 regs[CACHE_NR_REGS][CACHE_NR_BANKS];
u8 oldregs[CACHE_NR_REGS][CACHE_NR_BANKS];
@ -290,8 +287,6 @@ static struct irq_domain_ops tc3589x_irq_ops = {
static int tc3589x_gpio_irq_init(struct tc3589x_gpio *tc3589x_gpio,
struct device_node *np)
{
int base = tc3589x_gpio->irq_base;
/*
* If this results in a linear domain, irq_create_mapping() will
* take care of allocating IRQ descriptors at runtime. When a base
@ -299,7 +294,7 @@ static int tc3589x_gpio_irq_init(struct tc3589x_gpio *tc3589x_gpio,
* domain is instantiated.
*/
tc3589x_gpio->domain = irq_domain_add_simple(np,
tc3589x_gpio->chip.ngpio, base, &tc3589x_irq_ops,
tc3589x_gpio->chip.ngpio, 0, &tc3589x_irq_ops,
tc3589x_gpio);
if (!tc3589x_gpio->domain) {
dev_err(tc3589x_gpio->dev, "Failed to create irqdomain\n");
@ -348,9 +343,6 @@ static int tc3589x_gpio_probe(struct platform_device *pdev)
tc3589x_gpio->chip.of_node = np;
#endif
tc3589x_gpio->irq_base = tc3589x->irq_base ?
tc3589x->irq_base + TC3589x_INT_GPIO(0) : 0;
/* Bring the GPIO module out of reset */
ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL,
TC3589x_RSTCTRL_GPIRST, 0);

1
include/linux/mfd/tc3589x.h
View File

@ -111,7 +111,6 @@ enum tx3589x_block {
#define TC3589x_INT_PORIRQ 7
#define TC3589x_NR_INTERNAL_IRQS 8
#define TC3589x_INT_GPIO(x) (TC3589x_NR_INTERNAL_IRQS + (x))
struct tc3589x {
struct mutex lock;