Messages in this thread | | | Date | Mon, 30 Jun 2014 12:33:45 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [PATCH] usb: host: ohci-tmio: Use managed interfaces for resource allocation |
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On Mon, 30 Jun 2014, Julia Lawall wrote:
> > > @@ -215,30 +213,31 @@ static int ohci_hcd_tmio_drv_probe(struct platform_device *dev) > > > > > > spin_lock_init(&tmio->lock); > > > > > > - tmio->ccr = ioremap(config->start, resource_size(config)); > > > + tmio->ccr = devm_ioremap(&dev->dev, config->start, > > > + resource_size(config)); > > > > You should use devm_ioremap_resource() rather than devm_ioremap(). > > Even if there was no request_mem_region in the original code?
Hmmm, that does seem strange.
Looking at some of the other OHCI platform drivers, I see that one of them (ohci-sa1111.c) calls request_mem_region without ioremap and two of them (ohci-omap3.c, ohci-tmio.c) call ioremap without request_mem_region. (ohci-ppc-of.c also calls request_mem_region without ioremap, but for a totally different reason.)
In the case of ohci-sa1111 this appears to be a platform-specific thing. Are the other two simply buggy?
Alan Stern
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