From: Andy Shevchenko andriy.shevchenko@linux.intel.com
[ Upstream commit 9c22ec4ac27bcc5a54dd406da168f403327a5b55 ]
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: 87e59b36e5e2 ("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.int... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/spi/spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 2e6d6bbeb784..e1065768c537 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -2416,7 +2416,7 @@ 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; }