From 000bee0ed70af79e610444096fb453430220960f Mon Sep 17 00:00:00 2001 From: Stefan Binding Date: Fri, 21 Jan 2022 17:24:24 +0000 Subject: spi: Create helper API to lookup ACPI info for spi device This can then be used to find a spi resource inside an ACPI node, and allocate a spi device. Signed-off-by: Stefan Binding Reviewed-by: Hans de Goede Link: https://lore.kernel.org/r/20220121172431.6876-3-sbinding@opensource.cirrus.com Signed-off-by: Mark Brown --- include/linux/spi/spi.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/linux/spi/spi.h') diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 0346a3ff27fd..d159cef12f1a 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -16,6 +16,7 @@ #include #include +#include struct dma_chan; struct software_node; @@ -759,6 +760,11 @@ extern int devm_spi_register_controller(struct device *dev, struct spi_controller *ctlr); extern void spi_unregister_controller(struct spi_controller *ctlr); +#if IS_ENABLED(CONFIG_ACPI) +extern struct spi_device *acpi_spi_device_alloc(struct spi_controller *ctlr, + struct acpi_device *adev); +#endif + /* * SPI resource management while processing a SPI message */ -- cgit