| Message ID | 20180717142314.32337-3-alexandre.belloni@bootlin.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 62dbbae483b6452e688b8e26c4d024d484117697 |
| Headers | show |
On Tue, Jul 17, 2018 at 04:23:11PM +0200, Alexandre Belloni wrote: > Allow platform specific drivers to provide their own set_cs callback when > the IP integration requires it. The following changes since commit ce397d215ccd07b8ae3f71db689aedb85d56ab40: Linux 4.18-rc1 (2018-06-17 08:04:49 +0900) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git tags/spi-dw-set-cs for you to fetch changes up to 62dbbae483b6452e688b8e26c4d024d484117697: spi: dw: allow providing own set_cs callback (2018-07-18 13:22:37 +0100) ---------------------------------------------------------------- spi: dw: Allow custom set_cs_callback Allow platform specific drivers to provide their own set_cs callback when the IP integration requires it. ---------------------------------------------------------------- Alexandre Belloni (1): spi: dw: allow providing own set_cs callback drivers/spi/spi-dw.c | 3 +++ drivers/spi/spi-dw.h | 1 + 2 files changed, 4 insertions(+)
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index a087464efdd7..f76e31faf694 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -507,6 +507,9 @@ 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;
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> --- drivers/spi/spi-dw.c | 3 +++ drivers/spi/spi-dw.h | 1 + 2 files changed, 4 insertions(+)