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bus: fsl-mc: dprc: Push down error message from fsl_mc_driver_remove()

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The error message emitted in fsl_mc_driver_remove() is very generic.
Replace it by a message that mentions the reason for the failure.

Returning zero instead of a negative value has no side effect apart from
suppressing the generic error message.

The first if condition in dprc_remove() can never be true, as this would
prevent successful probing of the device and then .remove wasn't called.
So this can just be dropped.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Tested-by: Ioana Ciornei <ioana.ciornei@nxp.com> # sanity checks
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Tested-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This commit is contained in:
Uwe Kleine-König 2023-03-10 23:41:24 +01:00 committed by Li Yang
parent b816b9444c
commit f8fce83183
1 changed files with 4 additions and 5 deletions
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9
drivers/bus/fsl-mc/dprc-driver.c
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@ -839,11 +839,10 @@ static int dprc_remove(struct fsl_mc_device *mc_dev)
{
struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_dev);
if (!is_fsl_mc_bus_dprc(mc_dev))
return -EINVAL;
if (!mc_bus->irq_resources)
return -EINVAL;
if (!mc_bus->irq_resources) {
dev_err(&mc_dev->dev, "No irq resources, so unbinding the device failed\n");
return 0;
}
if (dev_get_msi_domain(&mc_dev->dev))
dprc_teardown_irq(mc_dev);