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Diffstat (limited to 'include/linux/spi')
-rw-r--r--include/linux/spi/spi-mem.h8
-rw-r--r--include/linux/spi/spi.h30
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)
{