RE: [PATCH 03/13] hwmon: max31722: Warn about failure to put device in stand-by in .remove()
From: "Hennerich, Michael" <Michael.Hennerich@analog.com>
Date: 2021-10-11 13:42:18
Also in:
linux-spi
-----Original Message----- From: Uwe Kleine-König <redacted> Sent: Montag, 11. Oktober 2021 15:28 To: Dmitry Torokhov <dmitry.torokhov@gmail.com>; Hennerich, Michael [off-list ref] Cc: Mark Brown <broonie@kernel.org>; linux-spi@vger.kernel.org; kernel@pengutronix.de; linux-input@vger.kernel.org Subject: [PATCH 03/13] hwmon: max31722: Warn about failure to put device in stand-by in .remove() When an spi driver's remove function returns a non-zero error code nothing happens apart from emitting a generic error message. Make this error message more device specific and return zero instead. Signed-off-by: Uwe Kleine-König <redacted>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
quoted hunk ↗ jump to hunk
--- drivers/hwmon/max31722.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)diff --git a/drivers/hwmon/max31722.c b/drivers/hwmon/max31722.c index613338cbcb17..4cf4fe6809a3 100644--- a/drivers/hwmon/max31722.c +++ b/drivers/hwmon/max31722.c@@ -103,10 +103,16 @@ static int max31722_probe(struct spi_device *spi)static int max31722_remove(struct spi_device *spi) { struct max31722_data *data = spi_get_drvdata(spi); + int ret; hwmon_device_unregister(data->hwmon_dev); - return max31722_set_mode(data, MAX31722_MODE_STANDBY); + ret = max31722_set_mode(data, MAX31722_MODE_STANDBY); + if (ret) + /* There is nothing we can do about this ... */ + dev_warn(&spi->dev, "Failed to put device in stand-by mode\n"); + + return 0; } static int __maybe_unused max31722_suspend(struct device *dev) -- 2.30.2