Messages in this thread | | | Date | Fri, 24 Aug 2012 15:14:32 +0200 | From | Stefan Roese <> | Subject | Re: [PATCH] drivers/mtd/devices/spear_smi.c: use devm_ functions consistently |
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On 08/24/2012 01:35 PM, Artem Bityutskiy wrote: >> @@ -1073,21 +1043,13 @@ static int __devexit spear_smi_remove(struct platform_device *pdev) >> ret = mtd_device_unregister(&flash->mtd); >> if (ret) >> dev_err(&pdev->dev, "error removing mtd\n"); >> - >> - iounmap(flash->base_addr); >> - kfree(flash); >> } >> >> irq = platform_get_irq(pdev, 0); >> - free_irq(irq, dev); > > I guess 'platform_get_irq()' should be killed as well? Stefan, this is > strange code - we get irq, without checking for error, and then free it? > What is the rationale?
Yes, this seems bogus. platform_get_irq() definitely should be removed from spear_smi_remove().
>> clk_disable_unprepare(dev->clk); >> - clk_put(dev->clk); >> - iounmap(dev->io_base); >> - kfree(dev); >> >> smi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0); >> - release_mem_region(smi_base->start, resource_size(smi_base)); >> platform_set_drvdata(pdev, NULL); > > Why do we set platform data to NULL, is this needed?
It seems to be common practice to use this call to clear the drvdata in the driver remove function. I have to admit, that I'm not sure if its really needed though.
Thanks, Stefan
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