diff options
Diffstat (limited to 'include/linux/spi')
-rw-r--r-- | include/linux/spi/spi-mem.h | 8 | ||||
-rw-r--r-- | include/linux/spi/spi.h | 30 |
2 files changed, 7 insertions, 31 deletions
diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h index f866d5c8ed32..c46d2b8029be 100644 --- a/include/linux/spi/spi-mem.h +++ b/include/linux/spi/spi-mem.h @@ -90,6 +90,8 @@ enum spi_mem_data_dir { * @data.buswidth: number of IO lanes used to send/receive the data * @data.dtr: whether the data should be sent in DTR mode or not * @data.ecc: whether error correction is required or not + * @data.swap16: whether the byte order of 16-bit words is swapped when read + * or written in Octal DTR mode compared to STR mode. * @data.dir: direction of the transfer * @data.nbytes: number of data bytes to send/receive. Can be zero if the * operation does not involve transferring data @@ -124,7 +126,8 @@ struct spi_mem_op { u8 buswidth; u8 dtr : 1; u8 ecc : 1; - u8 __pad : 6; + u8 swap16 : 1; + u8 __pad : 5; enum spi_mem_data_dir dir; unsigned int nbytes; union { @@ -297,10 +300,13 @@ struct spi_controller_mem_ops { * struct spi_controller_mem_caps - SPI memory controller capabilities * @dtr: Supports DTR operations * @ecc: Supports operations with error correction + * @swap16: Supports swapping bytes on a 16 bit boundary when configured in + * Octal DTR */ struct spi_controller_mem_caps { bool dtr; bool ecc; + bool swap16; }; #define spi_mem_controller_is_capable(ctlr, cap) \ diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 4b95663163e0..8497f4747e24 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -824,21 +824,6 @@ void spi_take_timestamp_post(struct spi_controller *ctlr, extern struct spi_controller *__spi_alloc_controller(struct device *host, unsigned int size, bool slave); -static inline struct spi_controller *spi_alloc_master(struct device *host, - unsigned int size) -{ - return __spi_alloc_controller(host, size, false); -} - -static inline struct spi_controller *spi_alloc_slave(struct device *host, - unsigned int size) -{ - if (!IS_ENABLED(CONFIG_SPI_SLAVE)) - return NULL; - - return __spi_alloc_controller(host, size, true); -} - static inline struct spi_controller *spi_alloc_host(struct device *dev, unsigned int size) { @@ -858,21 +843,6 @@ 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); -} - static inline struct spi_controller *devm_spi_alloc_host(struct device *dev, unsigned int size) { |