Instead of referring to a global static variable for the sgpio locking, use the state container to contain the lock.
Signed-off-by: Linus Walleij <[email protected]> --- drivers/pinctrl/sirf/pinctrl-sirf.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/pinctrl/sirf/pinctrl-sirf.c b/drivers/pinctrl/sirf/pinctrl-sirf.c index 0613e0c77e8a..2ca5424b2bca 100644 --- a/drivers/pinctrl/sirf/pinctrl-sirf.c +++ b/drivers/pinctrl/sirf/pinctrl-sirf.c @@ -40,10 +40,9 @@ struct sirfsoc_gpio_chip { struct of_mm_gpio_chip chip; bool is_marco; /* for marco, some registers are different with prima2 */ struct sirfsoc_gpio_bank sgpio_bank[SIRFSOC_GPIO_NO_OF_BANKS]; + spinlock_t lock; }; -static DEFINE_SPINLOCK(sgpio_lock); - static struct sirfsoc_pin_group *sirfsoc_pin_groups; static int sirfsoc_pingrp_cnt; @@ -450,13 +449,13 @@ static void sirfsoc_gpio_irq_ack(struct irq_data *d) offset = SIRFSOC_GPIO_CTRL(bank->id, idx); - spin_lock_irqsave(&sgpio_lock, flags); + spin_lock_irqsave(&sgpio->lock, flags); val = readl(sgpio->chip.regs + offset); writel(val, sgpio->chip.regs + offset); - spin_unlock_irqrestore(&sgpio_lock, flags); + spin_unlock_irqrestore(&sgpio->lock, flags); } static void __sirfsoc_gpio_irq_mask(struct sirfsoc_gpio_chip *sgpio, @@ -468,14 +467,14 @@ static void __sirfsoc_gpio_irq_mask(struct sirfsoc_gpio_chip *sgpio, offset = SIRFSOC_GPIO_CTRL(bank->id, idx); - spin_lock_irqsave(&sgpio_lock, flags); + spin_lock_irqsave(&sgpio->lock, flags); val = readl(sgpio->chip.regs + offset); val &= ~SIRFSOC_GPIO_CTL_INTR_EN_MASK; val &= ~SIRFSOC_GPIO_CTL_INTR_STS_MASK; writel(val, sgpio->chip.regs + offset); - spin_unlock_irqrestore(&sgpio_lock, flags); + spin_unlock_irqrestore(&sgpio->lock, flags); } static void sirfsoc_gpio_irq_mask(struct irq_data *d) @@ -498,14 +497,14 @@ static void sirfsoc_gpio_irq_unmask(struct irq_data *d) offset = SIRFSOC_GPIO_CTRL(bank->id, idx); - spin_lock_irqsave(&sgpio_lock, flags); + spin_lock_irqsave(&sgpio->lock, flags); val = readl(sgpio->chip.regs + offset); val &= ~SIRFSOC_GPIO_CTL_INTR_STS_MASK; val |= SIRFSOC_GPIO_CTL_INTR_EN_MASK; writel(val, sgpio->chip.regs + offset); - spin_unlock_irqrestore(&sgpio_lock, flags); + spin_unlock_irqrestore(&sgpio->lock, flags); } static int sirfsoc_gpio_irq_type(struct irq_data *d, unsigned type) @@ -519,7 +518,7 @@ static int sirfsoc_gpio_irq_type(struct irq_data *d, unsigned type) offset = SIRFSOC_GPIO_CTRL(bank->id, idx); - spin_lock_irqsave(&sgpio_lock, flags); + spin_lock_irqsave(&sgpio->lock, flags); val = readl(sgpio->chip.regs + offset); val &= ~(SIRFSOC_GPIO_CTL_INTR_STS_MASK | SIRFSOC_GPIO_CTL_OUT_EN_MASK); @@ -551,7 +550,7 @@ static int sirfsoc_gpio_irq_type(struct irq_data *d, unsigned type) writel(val, sgpio->chip.regs + offset); - spin_unlock_irqrestore(&sgpio_lock, flags); + spin_unlock_irqrestore(&sgpio->lock, flags); return 0; } @@ -714,11 +713,11 @@ static int sirfsoc_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, offset = SIRFSOC_GPIO_CTRL(bank->id, idx); - spin_lock_irqsave(&sgpio_lock, flags); + spin_lock_irqsave(&sgpio->lock, flags); sirfsoc_gpio_set_output(sgpio, bank, offset, value); - spin_unlock_irqrestore(&sgpio_lock, flags); + spin_unlock_irqrestore(&sgpio->lock, flags); return 0; } @@ -811,6 +810,7 @@ static int sirfsoc_gpio_probe(struct device_node *np) sgpio = devm_kzalloc(&pdev->dev, sizeof(*sgpio), GFP_KERNEL); if (!sgpio) return -ENOMEM; + spin_lock_init(&sgpio->lock); regs = of_iomap(np, 0); if (!regs) -- 1.9.0 -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
