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-rw-r--r--include/linux/spi/spi.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 7b2170bfd6e7..a8f6606dd498 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -452,6 +452,9 @@ struct spi_controller {
#define SPI_MASTER_GPIO_SS BIT(5) /* GPIO CS must select slave */
+ /* flag indicating this is a non-devres managed controller */
+ bool devm_allocated;
+
/* flag indicating this is an SPI slave controller */
bool slave;
@@ -638,6 +641,25 @@ static inline struct spi_controller *spi_alloc_slave(struct device *host,
return __spi_alloc_controller(host, size, true);
}
+struct spi_controller *__devm_spi_alloc_controller(struct device *dev,
+ unsigned int size,
+ bool slave);
+
+static inline struct spi_controller *devm_spi_alloc_master(struct device *dev,
+ unsigned int size)
+{
+ return __devm_spi_alloc_controller(dev, size, false);
+}
+
+static inline struct spi_controller *devm_spi_alloc_slave(struct device *dev,
+ unsigned int size)
+{
+ if (!IS_ENABLED(CONFIG_SPI_SLAVE))
+ return NULL;
+
+ return __devm_spi_alloc_controller(dev, size, true);
+}
+
extern int spi_register_controller(struct spi_controller *ctlr);
extern int devm_spi_register_controller(struct device *dev,
struct spi_controller *ctlr);