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spi: Handle SPI device setup callback failure. 

If the setup callback failed, but the controller has auto_runtime_pm
and set_cs, the setup failure could be missed.

Signed-off-by: Joe Burmeister <joe.burmeister@devtank.co.uk>
Link: https://lore.kernel.org/r/20210419130631.4586-1-joe.burmeister@devtank.co.uk
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Joe Burmeister 2021-04-19 14:06:31 +01:00 committed by Mark Brown
parent d347b4aaa1
commit c914dbf88f
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GPG Key ID: 24D68B725D5487D0
1 changed files with 8 additions and 1 deletions
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9
drivers/spi/spi.c
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@ -3378,8 +3378,15 @@ int spi_setup(struct spi_device *spi)
mutex_lock(&spi->controller->io_mutex);
if (spi->controller->setup)
if (spi->controller->setup) {
status = spi->controller->setup(spi);
if (status) {
mutex_unlock(&spi->controller->io_mutex);
dev_err(&spi->controller->dev, "Failed to setup device: %d\n",
status);
return status;
}
}
if (spi->controller->auto_runtime_pm && spi->controller->set_cs) {
status = pm_runtime_get_sync(spi->controller->dev.parent);