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path: root/drivers/spi/spi-bitbang.c
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Diffstat (limited to 'drivers/spi/spi-bitbang.c')
-rw-r--r--drivers/spi/spi-bitbang.c31
1 files changed, 9 insertions, 22 deletions
diff --git a/drivers/spi/spi-bitbang.c b/drivers/spi/spi-bitbang.c
index ca5cc67555c5..d88110acdc5f 100644
--- a/drivers/spi/spi-bitbang.c
+++ b/drivers/spi/spi-bitbang.c
@@ -38,26 +38,19 @@
* working quickly, or testing for differences that aren't speed related.
*/
+typedef unsigned int (*spi_bb_txrx_bufs_fn)(struct spi_device *, spi_bb_txrx_word_fn,
+ unsigned int, struct spi_transfer *,
+ unsigned int);
+
struct spi_bitbang_cs {
unsigned nsecs; /* (clock cycle time)/2 */
- u32 (*txrx_word)(struct spi_device *spi, unsigned nsecs,
- u32 word, u8 bits, unsigned flags);
- unsigned (*txrx_bufs)(struct spi_device *,
- u32 (*txrx_word)(
- struct spi_device *spi,
- unsigned nsecs,
- u32 word, u8 bits,
- unsigned flags),
- unsigned, struct spi_transfer *,
- unsigned);
+ spi_bb_txrx_word_fn txrx_word;
+ spi_bb_txrx_bufs_fn txrx_bufs;
};
static unsigned bitbang_txrx_8(
struct spi_device *spi,
- u32 (*txrx_word)(struct spi_device *spi,
- unsigned nsecs,
- u32 word, u8 bits,
- unsigned flags),
+ spi_bb_txrx_word_fn txrx_word,
unsigned ns,
struct spi_transfer *t,
unsigned flags
@@ -83,10 +76,7 @@ static unsigned bitbang_txrx_8(
static unsigned bitbang_txrx_16(
struct spi_device *spi,
- u32 (*txrx_word)(struct spi_device *spi,
- unsigned nsecs,
- u32 word, u8 bits,
- unsigned flags),
+ spi_bb_txrx_word_fn txrx_word,
unsigned ns,
struct spi_transfer *t,
unsigned flags
@@ -112,10 +102,7 @@ static unsigned bitbang_txrx_16(
static unsigned bitbang_txrx_32(
struct spi_device *spi,
- u32 (*txrx_word)(struct spi_device *spi,
- unsigned nsecs,
- u32 word, u8 bits,
- unsigned flags),
+ spi_bb_txrx_word_fn txrx_word,
unsigned ns,
struct spi_transfer *t,
unsigned flags