[PATCH 4.19 080/133] mtd: rawnand: oxnas: Release all devices in the _remove() path

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From: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>

commit 0a5f45e57e35d0840bedb816974ce2e63406cd8b upstream.

oxnans_nand_remove() should release all MTD devices and clean all NAND
devices, not only the first one registered.

Fixes: 668592492409 ("mtd: nand: Add OX820 NAND Support")
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Link: https://lore.kernel.org/linux-mtd/20200519130035.1883-39-miquel.raynal@xxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/mtd/nand/raw/oxnas_nand.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

--- a/drivers/mtd/nand/raw/oxnas_nand.c
+++ b/drivers/mtd/nand/raw/oxnas_nand.c
@@ -184,9 +184,13 @@ err_clk_unprepare:
 static int oxnas_nand_remove(struct platform_device *pdev)
 {
 	struct oxnas_nand_ctrl *oxnas = platform_get_drvdata(pdev);
+	struct nand_chip *chip;
+	int i;
 
-	if (oxnas->chips[0])
-		nand_release(oxnas->chips[0]);
+	for (i = 0; i < oxnas->nchips; i++) {
+		chip = oxnas->chips[i];
+		nand_release(chip);
+	}
 
 	clk_disable_unprepare(oxnas->clk);
 





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