mtd: rawnand: gpmi: Restore nfc timing setup after suspend/resume

As we reset the GPMI block at resume, the timing parameters setup by a
previous exec_op is lost.  Rewriting GPMI timing registers on first exec_op
after resume fixes the problem.

Fixes: ef347c0 ("mtd: rawnand: gpmi: Implement exec_op")
Cc: [email protected]
Signed-off-by: Esben Haabendal <[email protected]>
Acked-by: Han Xu <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>

Author: esben

drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c

@@ -2727,6 +2727,10 @@ static int gpmi_pm_resume(struct device *dev)
 		return ret;
 	}
 
+	/* Set flag to get timing setup restored for next exec_op */
+	if (this->hw.clk_rate)
+		this->hw.must_apply_timings = true;
+
 	/* re-init the BCH registers */
 	ret = bch_set_geometry(this);
 	if (ret) {