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OMAPDSS: fix dss_init_ports error handling

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The return value of dss_init_ports() is not handled at all, causing
crashes later if the call failed.

This patch adds the error handling, and we also move the call to a
slightly earlier place to make bailing out easier.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Tomi Valkeinen 2015-06-04 13:06:37 +03:00
parent 7e328f5adc
commit f5a1a1f8e4
1 changed files with 6 additions and 3 deletions
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9
drivers/video/fbdev/omap2/dss/dss.c
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@ -1125,6 +1125,10 @@ static int __init omap_dsshw_probe(struct platform_device *pdev)
if (r)
goto err_pll_init;
r = dss_init_ports(pdev);
if (r)
goto err_init_ports;
pm_runtime_enable(&pdev->dev);
r = dss_runtime_get();
@ -1149,8 +1153,6 @@ static int __init omap_dsshw_probe(struct platform_device *pdev)
dss.lcd_clk_source[0] = OMAP_DSS_CLK_SRC_FCK;
dss.lcd_clk_source[1] = OMAP_DSS_CLK_SRC_FCK;
dss_init_ports(pdev);
rev = dss_read_reg(DSS_REVISION);
printk(KERN_INFO "OMAP DSS rev %d.%d\n",
FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
@ -1167,7 +1169,8 @@ static int __init omap_dsshw_probe(struct platform_device *pdev)
err_runtime_get:
pm_runtime_disable(&pdev->dev);
dss_uninit_ports(pdev);
err_init_ports:
if (dss.video1_pll)
dss_video_pll_uninit(dss.video1_pll);