From 639a202cc66716195b73aef1b749a4b50b6abca1 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Wed, 7 Jan 2015 13:43:50 +0100
Subject: [PATCH] drm: bridge/dw_hdmi: request interrupt only after
initializing the mutes
Otherwise a spurious interrupt might trigger (and crash) the interrupt handler
before probing finished.
Signed-off-by: Philipp Zabel
---
drivers/gpu/drm/bridge/dw_hdmi.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
index 80bb512a869f..4cc456945c8b 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
--
2.20.1