basic_mmio_gpio: convert to non-__raw* accessors
The __raw_* accessors don't include memory barriers and can cause
problems when writes get stuck in write buffers.
Suggested-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/gpio/basic_mmio_gpio.c b/drivers/gpio/basic_mmio_gpio.c
index f4afd96..b2ec45f 100644
--- a/drivers/gpio/basic_mmio_gpio.c
+++ b/drivers/gpio/basic_mmio_gpio.c
@@ -101,43 +101,43 @@
static void bgpio_write8(void __iomem *reg, unsigned long data)
{
- __raw_writeb(data, reg);
+ writeb(data, reg);
}
static unsigned long bgpio_read8(void __iomem *reg)
{
- return __raw_readb(reg);
+ return readb(reg);
}
static void bgpio_write16(void __iomem *reg, unsigned long data)
{
- __raw_writew(data, reg);
+ writew(data, reg);
}
static unsigned long bgpio_read16(void __iomem *reg)
{
- return __raw_readw(reg);
+ return readw(reg);
}
static void bgpio_write32(void __iomem *reg, unsigned long data)
{
- __raw_writel(data, reg);
+ writel(data, reg);
}
static unsigned long bgpio_read32(void __iomem *reg)
{
- return __raw_readl(reg);
+ return readl(reg);
}
#if BITS_PER_LONG >= 64
static void bgpio_write64(void __iomem *reg, unsigned long data)
{
- __raw_writeq(data, reg);
+ writeq(data, reg);
}
static unsigned long bgpio_read64(void __iomem *reg)
{
- return __raw_readq(reg);
+ return readq(reg);
}
#endif /* BITS_PER_LONG >= 64 */