提交 085aacaa 编写于 作者: U Uwe Kleine-König 提交者: Wolfram Sang

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: NDan Carpenter <dan.carpenter@oracle.com>
Fixes: d98bdd3a ("i2c: imx: Make sure to unregister adapter on remove()")
Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: NOleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: NWolfram Sang <wsa@kernel.org>
上级 80e78fcc
......@@ -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);
......
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