drm: exynos: hdmi: fix interrupt handling

This patch fixes 'unsigned < 0' check in probe. Moreover it
releases an interrupt at remove.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index b3a802b..3902917 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -64,8 +64,8 @@ struct hdmi_context {
        struct mutex                    hdmi_mutex;
 
        void __iomem                    *regs;
-       unsigned int                    external_irq;
-       unsigned int                    internal_irq;
+       int                             external_irq;
+       int                             internal_irq;
 
        struct i2c_client               *ddc_port;
        struct i2c_client               *hdmiphy_port;
@@ -2424,6 +2424,7 @@ static int __devexit hdmi_remove(struct platform_device *pdev)
        pm_runtime_disable(dev);
 
        free_irq(hdata->internal_irq, hdata);
+       free_irq(hdata->external_irq, hdata);
 
        hdmi_resources_cleanup(hdata);