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path: root/drivers/media/video/cx18/cx18-io.h
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Diffstat (limited to 'drivers/media/video/cx18/cx18-io.h')
-rw-r--r--drivers/media/video/cx18/cx18-io.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-io.h b/drivers/media/video/cx18/cx18-io.h
index 287a5e8bf67b..425244453ea7 100644
--- a/drivers/media/video/cx18/cx18-io.h
+++ b/drivers/media/video/cx18/cx18-io.h
@@ -133,6 +133,8 @@ static inline void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr)
cx18_writel_noretry(cx, val, addr);
}
+void _cx18_writel_expect(struct cx18 *cx, u32 val, void __iomem *addr,
+ u32 eval, u32 mask);
static inline
void cx18_writew_noretry(struct cx18 *cx, u16 val, void __iomem *addr)
@@ -271,6 +273,21 @@ static inline void cx18_write_reg(struct cx18 *cx, u32 val, u32 reg)
cx18_write_reg_noretry(cx, val, reg);
}
+static inline void _cx18_write_reg_expect(struct cx18 *cx, u32 val, u32 reg,
+ u32 eval, u32 mask)
+{
+ _cx18_writel_expect(cx, val, cx->reg_mem + reg, eval, mask);
+}
+
+static inline void cx18_write_reg_expect(struct cx18 *cx, u32 val, u32 reg,
+ u32 eval, u32 mask)
+{
+ if (cx18_retry_mmio)
+ _cx18_write_reg_expect(cx, val, reg, eval, mask);
+ else
+ cx18_write_reg_noretry(cx, val, reg);
+}
+
static inline u32 cx18_read_reg_noretry(struct cx18 *cx, u32 reg)
{