[PATCH 2/9] i2c: mlxbf: Use dev_err_probe in probe function

Liao Chang
2023-07-28T01:32:40Z

Use the dev_err_probe function instead of dev_err in the probe function
so that the printed messge includes the return value and also handles
-EPROBE_DEFER nicely.

Signed-off-by: Liao Chang <liaochang1@huawei.com>
---
drivers/i2c/busses/i2c-mlxbf.c | 44 ++++++++++++----------------------
1 file changed, 15 insertions(+), 29 deletions(-)

diff --git a/drivers/i2c/busses/i2c-mlxbf.c b/drivers/i2c/busses/i2c-mlxbf.c
index ae66bdd1b737..b5f2aa2fc1db 100644
--- a/drivers/i2c/busses/i2c-mlxbf.c
+++ b/drivers/i2c/busses/i2c-mlxbf.c
@@ -2323,10 +2323,8 @@ static int mlxbf_i2c_probe(struct platform_device *pdev)

ret = mlxbf_i2c_init_resource(pdev, &priv->smbus,
MLXBF_I2C_SMBUS_RES);
- if (ret < 0) {
- dev_err(dev, "Cannot fetch smbus resource info");
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Cannot fetch smbus resource info");

priv->timer->io = priv->smbus->io;
priv->mst->io = priv->smbus->io + MLXBF_I2C_MST_ADDR_OFFSET;
@@ -2334,10 +2332,8 @@ static int mlxbf_i2c_probe(struct platform_device *pdev)
} else {
ret = mlxbf_i2c_init_resource(pdev, &priv->timer,
MLXBF_I2C_SMBUS_TIMER_RES);
- if (ret < 0) {
- dev_err(dev, "Cannot fetch timer resource info");
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Cannot fetch timer resource info");

ret = mlxbf_i2c_init_resource(pdev, &priv->mst,
MLXBF_I2C_SMBUS_MST_RES);
@@ -2348,25 +2344,19 @@ static int mlxbf_i2c_probe(struct platform_device *pdev)

ret = mlxbf_i2c_init_resource(pdev, &priv->slv,
MLXBF_I2C_SMBUS_SLV_RES);
- if (ret < 0) {
- dev_err(dev, "Cannot fetch slave resource info");
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Cannot fetch slave resource info");
}

ret = mlxbf_i2c_init_resource(pdev, &priv->mst_cause,
MLXBF_I2C_MST_CAUSE_RES);
- if (ret < 0) {
- dev_err(dev, "Cannot fetch cause master resource info");
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Cannot fetch cause master resource info");

ret = mlxbf_i2c_init_resource(pdev, &priv->slv_cause,
MLXBF_I2C_SLV_CAUSE_RES);
- if (ret < 0) {
- dev_err(dev, "Cannot fetch cause slave resource info");
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Cannot fetch cause slave resource info");

adap = &priv->adap;
adap->owner = THIS_MODULE;
@@ -2397,11 +2387,9 @@ static int mlxbf_i2c_probe(struct platform_device *pdev)
* does not really hurt, then keep the code as is.
*/
ret = mlxbf_i2c_init_master(pdev, priv);
- if (ret < 0) {
- dev_err(dev, "failed to initialize smbus master %d",
- priv->bus);
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "failed to initialize smbus master %d",
+ priv->bus);

mlxbf_i2c_init_timings(pdev, priv);

@@ -2413,10 +2401,8 @@ static int mlxbf_i2c_probe(struct platform_device *pdev)
ret = devm_request_irq(dev, irq, mlxbf_i2c_irq,
IRQF_SHARED | IRQF_PROBE_SHARED,
dev_name(dev), priv);
- if (ret < 0) {
- dev_err(dev, "Cannot get irq %d\n", irq);
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "Cannot get irq %d\n", irq);

priv->irq = irq;

--
2.25.1