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Commit f53161d1 authored by Grant Likely's avatar Grant Likely Committed by Linus Torvalds
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xilinxfb: Don't bail if the xilinxfb platform device doesn't have any pdata



Lack of pdata is not a fatal omission.  The driver can still be used even
if we do not know the screen dimensions.

Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
Cc: Andrei Konovalov <akonovalov@ru.mvista.com>
Signed-off-by: default avatarAntonino Daplas <adaplas@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 3f5b85d1
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+7 −12
Original line number Diff line number Diff line
@@ -212,11 +212,6 @@ xilinxfb_drv_probe(struct device *dev)
	pdev = to_platform_device(dev);
	pdata = pdev->dev.platform_data;

	if (pdata == NULL) {
		printk(KERN_ERR "Couldn't find platform data.\n");
		return -EFAULT;
	}

	drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL);
	if (!drvdata) {
		printk(KERN_ERR "Couldn't allocate device private record\n");
@@ -258,11 +253,9 @@ xilinxfb_drv_probe(struct device *dev)
	xilinx_fb_out_be32(drvdata, REG_FB_ADDR, drvdata->fb_phys);

	/* Turn on the display */
	if (pdata->rotate_screen) {
		drvdata->reg_ctrl_default = REG_CTRL_ENABLE | REG_CTRL_ROTATE;
	} else {
	drvdata->reg_ctrl_default = REG_CTRL_ENABLE;
	}
	if (pdata && pdata->rotate_screen)
		drvdata->reg_ctrl_default |= REG_CTRL_ROTATE;
	xilinx_fb_out_be32(drvdata, REG_CTRL, drvdata->reg_ctrl_default);

	/* Fill struct fb_info */
@@ -281,8 +274,10 @@ xilinxfb_drv_probe(struct device *dev)
	}

	drvdata->info.flags = FBINFO_DEFAULT;
	if (pdata) {
		xilinx_fb_var.height = pdata->screen_height_mm;
		xilinx_fb_var.width = pdata->screen_width_mm;
	}
	drvdata->info.var = xilinx_fb_var;

	/* Register new frame buffer */