diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-07-17 17:23:11 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-07-18 15:22:37 +0300 |
| commit | 62dbbae483b6452e688b8e26c4d024d484117697 (patch) | |
| tree | 7f531aa6f0cbeeaaba956cbd9cb2e8f914605a71 /drivers/spi | |
| parent | ce397d215ccd07b8ae3f71db689aedb85d56ab40 (diff) | |
| download | linux-62dbbae483b6452e688b8e26c4d024d484117697.tar.xz | |
spi: dw: allow providing own set_cs callback
Allow platform specific drivers to provide their own set_cs callback when
the IP integration requires it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-dw.c | 3 | ||||
| -rw-r--r-- | drivers/spi/spi-dw.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index f693bfe95ab9..0d8ccb8be5ec 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -505,6 +505,9 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws) master->dev.of_node = dev->of_node; master->flags = SPI_MASTER_GPIO_SS; + if (dws->set_cs) + master->set_cs = dws->set_cs; + /* Basic HW init */ spi_hw_init(dev, dws); diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h index 2cde2473b3e9..446013022849 100644 --- a/drivers/spi/spi-dw.h +++ b/drivers/spi/spi-dw.h @@ -112,6 +112,7 @@ struct dw_spi { u32 reg_io_width; /* DR I/O width in bytes */ u16 bus_num; u16 num_cs; /* supported slave numbers */ + void (*set_cs)(struct spi_device *spi, bool enable); /* Current message transfer state info */ size_t len; |