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>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index b3a802b5a12..3902917cbd0 100644
--- 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);