imx: bridge/dw_hdmi: request interrupt only after initializing the mutes

Commit Message

Philipp Zabel Jan. 7, 2015, 12:47 p.m. UTC

Otherwise a spurious interrupt might trigger (and crash) the interrupt handler
before probing finished.

Signed-off-by: Philipp Zabel <[e-mail]>
---
 drivers/gpu/drm/bridge/dw_hdmi.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

Patch

diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
index 80bb512..4cc4569 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi.c
+++ b/drivers/gpu/drm/bridge/dw_hdmi.c
@@ -1605,12 +1605,6 @@  int dw_hdmi_bind(struct device *dev, struct device *master,
 		dev_dbg(hdmi->dev, "no ddc property found\n");
 	}
 
-	ret = devm_request_threaded_irq(dev, irq, dw_hdmi_hardirq,
-					dw_hdmi_irq, IRQF_SHARED,
-					dev_name(dev), hdmi);
-	if (ret)
-		return ret;
-
 	hdmi->regs = devm_ioremap_resource(dev, iores);
 	if (IS_ERR(hdmi->regs))
 		return PTR_ERR(hdmi->regs);
@@ -1651,6 +1645,12 @@  int dw_hdmi_bind(struct device *dev, struct device *master,
 
 	initialize_hdmi_ih_mutes(hdmi);
 
+	ret = devm_request_threaded_irq(dev, irq, dw_hdmi_hardirq,
+					dw_hdmi_irq, IRQF_SHARED,
+					dev_name(dev), hdmi);
+	if (ret)
+		return ret;
+
 	/*
 	 * To prevent overflows in HDMI_IH_FC_STAT2, set the clk regenerator
 	 * N and cts values before enabling phy