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spi: Return deferred probe error when controller isn't yet available

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If the controller is not available, it might be in the future and
we would like to re-probe the peripheral again. For that purpose
return deferred probe.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=215993
Fixes: 87e59b36e5 ("spi: Support selection of the index of the ACPI Spi Resource before alloc")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220709212956.25530-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andy Shevchenko 2022-07-10 00:29:56 +03:00 committed by Mark Brown
parent 41cae19e4c
commit 9c22ec4ac2
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1 changed files with 1 additions and 1 deletions
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2
drivers/spi/spi.c
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@ -2475,7 +2475,7 @@ static int acpi_spi_add_resource(struct acpi_resource *ares, void *data)
ctlr = acpi_spi_find_controller_by_adev(adev);
if (!ctlr)
return -ENODEV;
return -EPROBE_DEFER;
lookup->ctlr = ctlr;
}