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Diffstat (limited to 'drivers/pinctrl/tegra/pinctrl-tegra.c')
-rw-r--r--drivers/pinctrl/tegra/pinctrl-tegra.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pinctrl/tegra/pinctrl-tegra.c b/drivers/pinctrl/tegra/pinctrl-tegra.c
index 5e3c00137d71..e9a7cbb9aa33 100644
--- a/drivers/pinctrl/tegra/pinctrl-tegra.c
+++ b/drivers/pinctrl/tegra/pinctrl-tegra.c
@@ -677,6 +677,10 @@ static int tegra_pinctrl_resume(struct device *dev)
writel_relaxed(*backup_regs++, regs++);
}
+ /* flush all the prior writes */
+ readl_relaxed(pmx->regs[0]);
+ /* wait for pinctrl register read to complete */
+ rmb();
return 0;
}