spi: dw: export dw_spi_set_cs
Export dw_spi_set_cs so it can be used from the various IP integration
modules.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 0d8ccb8..683a4f1 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -133,7 +133,7 @@
}
#endif /* CONFIG_DEBUG_FS */
-static void dw_spi_set_cs(struct spi_device *spi, bool enable)
+void dw_spi_set_cs(struct spi_device *spi, bool enable)
{
struct dw_spi *dws = spi_controller_get_devdata(spi->controller);
struct chip_data *chip = spi_get_ctldata(spi);
@@ -145,6 +145,7 @@
if (!enable)
dw_writel(dws, DW_SPI_SER, BIT(spi->chip_select));
}
+EXPORT_SYMBOL_GPL(dw_spi_set_cs);
/* Return the max entries we can fill into tx fifo */
static inline u32 tx_max(struct dw_spi *dws)
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index 4460130..0168b08 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -245,6 +245,7 @@
void (*cs_control)(u32 command);
};
+extern void dw_spi_set_cs(struct spi_device *spi, bool enable);
extern int dw_spi_add_host(struct device *dev, struct dw_spi *dws);
extern void dw_spi_remove_host(struct dw_spi *dws);
extern int dw_spi_suspend_host(struct dw_spi *dws);