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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2018-07-27 21:53:54 +0200
committerMark Brown <broonie@kernel.org>2018-07-30 12:02:07 +0100
commitc79bdbb490a1d05c6169cbffd37c19f5aa96587a (patch)
tree91dede400599d84cdee53ac054eb2f1b25ef2a8a /drivers
parentspi: spi-fsl-espi: Log fifo counters on error (diff)
downloadlinux-dev-c79bdbb490a1d05c6169cbffd37c19f5aa96587a.tar.xz
linux-dev-c79bdbb490a1d05c6169cbffd37c19f5aa96587a.zip
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/spi/spi-dw.c3
-rw-r--r--drivers/spi/spi-dw.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 0d8ccb8be5ec..683a4f137a25 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -133,7 +133,7 @@ static inline void dw_spi_debugfs_remove(struct dw_spi *dws)
}
#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 @@ static void dw_spi_set_cs(struct spi_device *spi, bool enable)
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 446013022849..0168b08364d5 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -245,6 +245,7 @@ struct dw_spi_chip {
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);