mfd: wm8994: Remove unused irq_lock

Since the conversion to regmap-irq irq_lock has been unused.

Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/include/linux/mfd/wm8994/core.h b/include/linux/mfd/wm8994/core.h
index 3fbcf3d..eefafa6 100644 (file)
--- a/include/linux/mfd/wm8994/core.h
+++ b/include/linux/mfd/wm8994/core.h
@@ -56,8 +56,6 @@ struct irq_domain;
 #define WM8994_IRQ_GPIO(x) (x + WM8994_IRQ_TEMP_WARN)
 
 struct wm8994 {
-       struct mutex irq_lock;
-
        struct wm8994_pdata pdata;
 
        enum wm8994_type type;