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pinctrl: rza1: Remove unneeded spinlock acquisitions 

rza1_get_bit() is just a single register read.  Hence there's no need to
synchronize it with other register writes to the same bank.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
hifive-unleashed-5.2
Geert Uytterhoeven 2018-11-13 09:38:35 +01:00
parent fa4d36712f
commit e005da0ef7
1 changed files with 2 additions and 16 deletions
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18
drivers/pinctrl/pinctrl-rza1.c
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@ -620,14 +620,7 @@ static void rza1_pin_reset(struct rza1_port *port, unsigned int pin)
static inline int rza1_pin_get_direction(struct rza1_port *port,
unsigned int pin)
{
unsigned long irqflags;
int input;
spin_lock_irqsave(&port->lock, irqflags);
input = rza1_get_bit(port, RZA1_PM_REG, pin);
spin_unlock_irqrestore(&port->lock, irqflags);
return !!input;
return !!rza1_get_bit(port, RZA1_PM_REG, pin);
}
/**
@ -671,14 +664,7 @@ static inline void rza1_pin_set(struct rza1_port *port, unsigned int pin,
static inline int rza1_pin_get(struct rza1_port *port, unsigned int pin)
{
unsigned long irqflags;
int val;
spin_lock_irqsave(&port->lock, irqflags);
val = rza1_get_bit(port, RZA1_PPR_REG, pin);
spin_unlock_irqrestore(&port->lock, irqflags);
return val;
return rza1_get_bit(port, RZA1_PPR_REG, pin);
}
/**