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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2021-05-10 15:41:29 +0300
committerMark Brown <broonie@kernel.org>2021-05-11 09:35:06 +0100
commit0c8ccd8b267fc735e4621774ce62728f27d42863 (patch)
tree52a3a57e34263469bb7688899824467f9b985a3c /include/linux/pxa2xx_ssp.h
parent4761d2e7e51cfbe6fdb4e95903d407927f519f50 (diff)
spi: pxa2xx: Use pxa_ssp_enable()/pxa_ssp_disable() in the driver
There are few places that repeat the logic of pxa_ssp_enable() and pxa_ssp_disable(). Use them instead of open coded variants. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210510124134.24638-10-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/pxa2xx_ssp.h')
-rw-r--r--include/linux/pxa2xx_ssp.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/pxa2xx_ssp.h b/include/linux/pxa2xx_ssp.h
index 1b6c1a0922bd..fdfbe17e15f4 100644
--- a/include/linux/pxa2xx_ssp.h
+++ b/include/linux/pxa2xx_ssp.h
@@ -254,6 +254,22 @@ static inline u32 pxa_ssp_read_reg(struct ssp_device *dev, u32 reg)
return __raw_readl(dev->mmio_base + reg);
}
+static inline void pxa_ssp_enable(struct ssp_device *ssp)
+{
+ u32 sscr0;
+
+ sscr0 = pxa_ssp_read_reg(ssp, SSCR0) | SSCR0_SSE;
+ pxa_ssp_write_reg(ssp, SSCR0, sscr0);
+}
+
+static inline void pxa_ssp_disable(struct ssp_device *ssp)
+{
+ u32 sscr0;
+
+ sscr0 = pxa_ssp_read_reg(ssp, SSCR0) & ~SSCR0_SSE;
+ pxa_ssp_write_reg(ssp, SSCR0, sscr0);
+}
+
#if IS_ENABLED(CONFIG_PXA_SSP)
struct ssp_device *pxa_ssp_request(int port, const char *label);
void pxa_ssp_free(struct ssp_device *);