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video: fbdev: s3c-fb: Use platform_get_irq() to get the interrupt
platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static allocation of IRQ resources in DT core code, this causes an issue when using hierarchical interrupt domains using "interrupts" property in the node as this bypassed the hierarchical setup and messed up the irq chaining. In preparation for removal of static setup of IRQ resource from DT core code use platform_get_irq(). Signed-off-by: zhaoxiao <zhaoxiao@uniontech.com> Signed-off-by: Helge Deller <deller@gmx.de>
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1 changed files with 3 additions and 4 deletions
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@ -1360,7 +1360,6 @@ static int s3c_fb_probe(struct platform_device *pdev)
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struct device *dev = &pdev->dev;
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struct s3c_fb_platdata *pd;
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struct s3c_fb *sfb;
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struct resource *res;
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int win;
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int ret = 0;
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u32 reg;
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@ -1417,13 +1416,13 @@ static int s3c_fb_probe(struct platform_device *pdev)
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goto err_lcd_clk;
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}
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res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
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if (!res) {
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sfb->irq_no = platform_get_irq(pdev, 0);
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if (sfb->irq_no < 0) {
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dev_err(dev, "failed to acquire irq resource\n");
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ret = -ENOENT;
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goto err_lcd_clk;
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}
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sfb->irq_no = res->start;
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ret = devm_request_irq(dev, sfb->irq_no, s3c_fb_irq,
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0, "s3c_fb", sfb);
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if (ret) {
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