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Diffstat (limited to 'target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c')
-rw-r--r--target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
index 572127889..72f732d54 100644
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_mdio.c
@@ -21,7 +21,13 @@ struct ag71xx_mdio *ag71xx_mdio_bus;
static inline void ag71xx_mdio_wr(struct ag71xx_mdio *am, unsigned reg,
u32 value)
{
- __raw_writel(value, am->mdio_base + reg);
+ void __iomem *r;
+
+ r = am->mdio_base + reg;
+ __raw_writel(value, r);
+
+ /* flush write */
+ (void) __raw_readl(r);
}
static inline u32 ag71xx_mdio_rr(struct ag71xx_mdio *am, unsigned reg)