From: Sanjay Chitroda <sanjayembeddedse@gmail.com>
To: jic23@kernel.org
Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org,
sanjayembeddedse@gmail.com, tglx@kernel.org,
christophe.jaillet@wanadoo.fr, mingo@kernel.org, kees@kernel.org,
nabijaczleweli@nabijaczleweli.xyz, kyungmin.park@samsung.com,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v8 10/12] iio: ssp_sensors: Use dev_err_probe()
Date: Fri, 15 May 2026 23:10:15 +0530 [thread overview]
Message-ID: <20260515174017.3962168-11-sanjayembedded@gmail.com> (raw)
In-Reply-To: <20260515174017.3962168-1-sanjayembedded@gmail.com>
From: Sanjay Chitroda <sanjayembeddedse@gmail.com>
dev_err_probe() makes error code handling simpler and handle
deferred probe nicely (avoid spamming logs).
Signed-off-by: Sanjay Chitroda <sanjayembeddedse@gmail.com>
---
changes in v8:
- Address coding style comment based on input from Andy
- v7 change: https://lore.kernel.org/all/20260426091710.3722035-9-sanjayembedded@gmail.com/
changes in v7:
- Drop redundant else with refactor as guided by Andy
- Add new change in series for local dev variable with input from Andy
- v6 change: https://lore.kernel.org/all/20260415050749.3858046-7-sanjayembedded@gmail.com/
---
drivers/iio/common/ssp_sensors/ssp_dev.c | 34 +++++++++---------------
1 file changed, 12 insertions(+), 22 deletions(-)
diff --git a/drivers/iio/common/ssp_sensors/ssp_dev.c b/drivers/iio/common/ssp_sensors/ssp_dev.c
index 441416c612a4..2cd06c85ffe1 100644
--- a/drivers/iio/common/ssp_sensors/ssp_dev.c
+++ b/drivers/iio/common/ssp_sensors/ssp_dev.c
@@ -513,24 +513,18 @@ static int ssp_probe(struct spi_device *spi)
int ret;
data = ssp_parse_dt(dev);
- if (!data) {
- dev_err(dev, "Failed to find platform data\n");
- return -ENODEV;
- }
+ if (!data)
+ return dev_err_probe(dev, -ENODEV, "Failed to find platform data\n");
ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE, sensorhub_sensor_devs,
ARRAY_SIZE(sensorhub_sensor_devs), NULL, 0, NULL);
- if (ret < 0) {
- dev_err(dev, "mfd add devices fail\n");
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "mfd add devices fail\n");
spi->mode = SPI_MODE_1;
ret = spi_setup(spi);
- if (ret < 0) {
- dev_err(dev, "Failed to setup spi\n");
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Failed to setup spi\n");
data->fw_dl_state = SSP_FW_DL_STATE_NONE;
data->spi = spi;
@@ -588,16 +582,12 @@ static int ssp_probe(struct spi_device *spi)
enable_irq_wake(data->spi->irq);
data->fw_dl_state = ssp_check_fwbl(data);
- if (data->fw_dl_state == SSP_FW_DL_STATE_NONE) {
- ret = ssp_initialize_mcu(data);
- if (ret < 0) {
- dev_err(dev, "Initialize_mcu failed\n");
- return ret;
- }
- } else {
- dev_err(dev, "Firmware version not supported\n");
- return -EPERM;
- }
+ if (data->fw_dl_state != SSP_FW_DL_STATE_NONE)
+ return dev_err_probe(dev, -EPERM, "Firmware version not supported\n");
+
+ ret = ssp_initialize_mcu(data);
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Initialize_mcu failed\n");
/*
* Managed shutdown action for the SSP device lifecycle.
--
2.34.1
next prev parent reply other threads:[~2026-05-15 17:41 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-15 17:40 [PATCH v8 00/12] iio: ssp_sensors: driver fixes, refactor and cleanup Sanjay Chitroda
2026-05-15 17:40 ` [PATCH v8 01/12] iio: ssp_sensors: cancel delayed work_refresh on remove Sanjay Chitroda
2026-05-15 17:40 ` [PATCH v8 02/12] iio: ssp_sensors: factor out pending list add/remove helpers Sanjay Chitroda
2026-05-15 17:40 ` [PATCH v8 03/12] iio: ssp_sensors: refactor transfer logic into helper Sanjay Chitroda
2026-05-15 17:40 ` [PATCH v8 04/12] iio: ssp_sensors: factor out MCU enable/disable helpers Sanjay Chitroda
2026-05-15 17:40 ` [PATCH v8 05/12] iio: ssp_sensors: use local struct device Sanjay Chitroda
2026-05-15 17:40 ` [PATCH v8 06/12] iio: ssp_sensors: fix variable type and declaration order in probe() Sanjay Chitroda
2026-05-15 17:40 ` [PATCH v8 07/12] iio: ssp_sensors: Drop duplicated wdt timer and work cleanup Sanjay Chitroda
2026-05-15 17:40 ` [PATCH v8 08/12] iio: ssp_sensors: convert probe and teardown to devm-managed resources Sanjay Chitroda
2026-05-15 17:40 ` [PATCH v8 09/12] iio: ssp_sensors: use guard() to release mutexes Sanjay Chitroda
2026-05-15 17:40 ` Sanjay Chitroda [this message]
2026-05-15 17:40 ` [PATCH v8 11/12] iio: ssp_sensors: return errors directly from ssp_irq_msg() Sanjay Chitroda
2026-05-15 17:40 ` [PATCH v8 12/12] iio: ssp_sensors: reuse embedded RX buffer for SPI transfers Sanjay Chitroda
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