Commit 085aacaa authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Wolfram Sang
Browse files

i2c: imx: If pm_runtime_get_sync() returned 1 device access is possible 



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: default avatarDan Carpenter <dan.carpenter@oracle.com>
Fixes: d98bdd3a ("i2c: imx: Make sure to unregister adapter on remove()")
Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent 80e78fcc

drivers/i2c/busses/i2c-imx.c

+1 −1
Original line number Diff line number Diff line
@@ -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);