linux-kernel - Re: [PATCH 04/25] MIPS: Netlogic: use ehci-platform driver

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Message-ID: <17094030.Jd6tWHquEF@flexo>
Date:	Thu, 04 Oct 2012 07:51:01 -0700 (PDT)
From:	Florian Fainelli <florian@...nwrt.org>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	linux-usb@...r.kernel.org, Ralf Baechle <ralf@...ux-mips.org>,
	Jayachandran C <jayachandranc@...logicmicro.com>,
	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/25] MIPS: Netlogic: use ehci-platform driver

On Wednesday 03 October 2012 12:47:58 Alan Stern wrote:
> On Wed, 3 Oct 2012, Florian Fainelli wrote:
> 
> > Signed-off-by: Florian Fainelli <florian@...nwrt.org>
> 
> IMO, patches should always have a non-empty changelog.  Even if it is 
> relatively trivial.  The same comment applies to several other patches 
> in this series.
> 
> > ---
> >  arch/mips/netlogic/xlr/platform.c |    6 ++++++
> >  1 file changed, 6 insertions(+)
> 
> Does this need to enable CONFIG_USB_EHCI_HCD_PLATFORM is some 
> defconfig file, like you did with the MIPS Loongson 1B?

Netlogic platforms have USB disabled by default in their defconfig, so I'd say 
no, but only for them.

> 
> And likewise for quite a few of the other patches in this series.
> 
> > diff --git a/arch/mips/netlogic/xlr/platform.c 
b/arch/mips/netlogic/xlr/platform.c
> > index 71b44d8..1731dfd 100644
> > --- a/arch/mips/netlogic/xlr/platform.c
> > +++ b/arch/mips/netlogic/xlr/platform.c
> > @@ -15,6 +15,7 @@
> >  #include <linux/serial_8250.h>
> >  #include <linux/serial_reg.h>
> >  #include <linux/i2c.h>
> > +#include <linux/usb/ehci_pdriver.h>
> >  
> >  #include <asm/netlogic/haldefs.h>
> >  #include <asm/netlogic/xlr/iomap.h>
> > @@ -123,6 +124,10 @@ static u64 xls_usb_dmamask = ~(u32)0;
> >  		},							\
> >  	}
> >  
> > +static struct usb_ehci_pdata xls_usb_ehci_pdata = {
> > +	.caps_offset	= 0,
> > +};
> > +
> >  static struct platform_device xls_usb_ehci_device =
> >  			 USB_PLATFORM_DEV("ehci-xls", 0, PIC_USB_IRQ);
> >  static struct platform_device xls_usb_ohci_device_0 =
> > @@ -172,6 +177,7 @@ int xls_platform_usb_init(void)
> >  	memres = CPHYSADDR((unsigned long)usb_mmio);
> >  	xls_usb_ehci_device.resource[0].start = memres;
> >  	xls_usb_ehci_device.resource[0].end = memres + 0x400 - 1;
> > +	xls_usb_ehci_device.dev.platform_data = &xls_usb_ehci_pdata;
> >  
> >  	memres += 0x400;
> >  	xls_usb_ohci_device_0.resource[0].start = memres;
> 
> Don't you need to change/set the pdev name also?  Likewise for patch 
> 20/25 and 24/25.
> 
> Alan Stern
> 
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