From 085aacaa73163f4b8a89dec24ecb32cfacd34017 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Mon, 12 Sep 2022 15:20:40 +0200
Subject: [PATCH] i2c: imx: If pm_runtime_get_sync() returned 1 device access is possible
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Git-commit: 085aacaa73163f4b8a89dec24ecb32cfacd34017
Patch-mainline: v6.0-rc7
References: git-fixes

pm_runtime_get_sync() returning 1 also means the device is powered. So
resetting the chip registers in .remove() is possible and should be
done.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: d98bdd3a5b50 ("i2c: imx: Make sure to unregister adapter on remove()")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/i2c/busses/i2c-imx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index e47fa3465671..3082183bd66a 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1583,7 +1583,7 @@ static int i2c_imx_remove(struct platform_device *pdev)
 	if (i2c_imx->dma)
 		i2c_imx_dma_free(i2c_imx);
 
-	if (ret == 0) {
+	if (ret >= 0) {
 		/* setup chip registers to defaults */
 		imx_i2c_write_reg(0, i2c_imx, IMX_I2C_IADR);
 		imx_i2c_write_reg(0, i2c_imx, IMX_I2C_IFDR);
-- 
2.35.3