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-rw-r--r--drivers/pinctrl/pinctrl-single.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index cf9bafa10acf..bfdf720db270 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -1580,6 +1580,9 @@ static inline void pcs_irq_set(struct pcs_soc_data *pcs_soc,
else
mask &= ~soc_mask;
pcs->write(mask, pcswi->reg);
+
+ /* flush posted write */
+ mask = pcs->read(pcswi->reg);
raw_spin_unlock(&pcs->lock);
}