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spi: fix misleading controller registration kernel-doc

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The controller reference count is not decremented on registration
failures (and has not been for a very long time) contrary to what the
outdated kernel-doc says.

Drop the entire sentence about return values which are now documented in
the Return section.

Fixes: b885244eb2 ("[PATCH] spi: add spi_driver to SPI framework")
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260312151817.32100-5-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Johan Hovold 2026-03-12 16:18:16 +01:00 committed by Mark Brown
parent d5b4cb41b9
commit edc463d72d
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1 changed files with 2 additions and 2 deletions
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drivers/spi/spi.c
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@ -3388,8 +3388,8 @@ static int spi_controller_id_alloc(struct spi_controller *ctlr, int start, int e
* device identification, boards need configuration tables telling which
* chip is at which address.
*
* This must be called from context that can sleep. It returns zero on
* success, else a negative error code (dropping the controller's refcount).
* This must be called from context that can sleep.
*
* After a successful return, the caller is responsible for calling
* spi_unregister_controller().
*