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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2024-05-17 22:40:20 +0300
committerMark Brown <broonie@kernel.org>2024-05-27 01:33:22 +0100
commitf261172d39f358dcecce13c310690d3937e0cca6 (patch)
treeb994b49c9992cba69b3d1d538da42b651fce434f /include/linux/spi/spi_bitbang.h
parentf44b3730b038363475a3f84bee2038d8b6448ed8 (diff)
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spi: bitbang: Use typedef for txrx_*() callbacks
With a typedef for the txrx_*() callbacks the code looks neater. Note that typedef for a function is okay to have. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://msgid.link/r/20240517194104.747328-2-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/spi/spi_bitbang.h')
-rw-r--r--include/linux/spi/spi_bitbang.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h
index b930eca2ef7b..7ca08b430ed5 100644
--- a/include/linux/spi/spi_bitbang.h
+++ b/include/linux/spi/spi_bitbang.h
@@ -4,6 +4,8 @@
#include <linux/workqueue.h>
+typedef u32 (*spi_bb_txrx_word_fn)(struct spi_device *, unsigned int, u32, u8, unsigned int);
+
struct spi_bitbang {
struct mutex lock;
u8 busy;
@@ -28,9 +30,8 @@ struct spi_bitbang {
int (*txrx_bufs)(struct spi_device *spi, struct spi_transfer *t);
/* txrx_word[SPI_MODE_*]() just looks like a shift register */
- u32 (*txrx_word[4])(struct spi_device *spi,
- unsigned nsecs,
- u32 word, u8 bits, unsigned flags);
+ spi_bb_txrx_word_fn txrx_word[4];
+
int (*set_line_direction)(struct spi_device *spi, bool output);
};