linux-kernel - Re: [PATCH] usb/xhci: unify parameter of xhci_msi

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Date:	Wed, 5 Jun 2013 16:29:43 -0700
From:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
To:	Alex Shi <alex.shi@...el.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	gregkh <gregkh@...uxfoundation.org>, Felipe Balbi <balbi@...com>
Subject: Re: [PATCH] usb/xhci: unify parameter of xhci_msi_irq

Hi Alex,

Thanks for updating this patch against current kernels.  However, I'm
really behind on patch review because of OPW, so I'm sorry, but I may
not be able to review this until next week.

Sarah Sharp

On Wed, May 29, 2013 at 09:31:58PM +0800, Alex Shi wrote:
> On 05/28/2013 09:39 PM, Alex Shi wrote:
> > On 05/24/2013 10:54 AM, Alex Shi wrote:
> >>
> >> Ops, I just find a old patch left on my laptop. and it still works on latest
> >> Linus tree. I don't remember there is a reasonable excuse to reject this patch.
> >>
> >> So, anyone like to pick it up?
> > 
> > Ping ...
> 
> Is there someone like to give a bit comments on this patch?
> >>
> >> ------
> >> From 6ae1b9e71f9b14be5774ae9c1b4cf57cd4e747ac Mon Sep 17 00:00:00 2001
> >> From: Alex Shi <alex.shi@...el.com>
> >> Date: Mon, 11 Jun 2012 15:10:18 +0800
> >> Subject: [PATCH] usb/xhci: unify parameter of xhci_msi_irq
> >>
> >> According to Felipe and Alan's comments the second parameter of irq
> >> handler should be 'void *' not a specific structure pointer.
> >> So change it.
> >>
> >> Signed-off-by: Alex Shi <alex.shi@...el.com>
> >> Acked-by: Felipe Balbi <balbi@...com>
> >> ---
> >>  drivers/usb/host/xhci-ring.c |    2 +-
> >>  drivers/usb/host/xhci.c      |    4 ++--
> >>  drivers/usb/host/xhci.h      |    2 +-
> >>  3 files changed, 4 insertions(+), 4 deletions(-)
> >>
> >> diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
> >> index 23b4aef..cc8a52f 100644
> >> --- a/drivers/usb/host/xhci-ring.c
> >> +++ b/drivers/usb/host/xhci-ring.c
> >> @@ -2479,7 +2479,7 @@ hw_died:
> >>  	return IRQ_HANDLED;
> >>  }
> >>  
> >> -irqreturn_t xhci_msi_irq(int irq, struct usb_hcd *hcd)
> >> +irqreturn_t xhci_msi_irq(int irq, void *hcd)
> >>  {
> >>  	return xhci_irq(hcd);
> >>  }
> >> diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
> >> index afdc73e..f7d40c1 100644
> >> --- a/drivers/usb/host/xhci.c
> >> +++ b/drivers/usb/host/xhci.c
> >> @@ -215,7 +215,7 @@ static int xhci_setup_msi(struct xhci_hcd *xhci)
> >>  		return ret;
> >>  	}
> >>  
> >> -	ret = request_irq(pdev->irq, (irq_handler_t)xhci_msi_irq,
> >> +	ret = request_irq(pdev->irq, xhci_msi_irq,
> >>  				0, "xhci_hcd", xhci_to_hcd(xhci));
> >>  	if (ret) {
> >>  		xhci_dbg(xhci, "disable MSI interrupt\n");
> >> @@ -287,7 +287,7 @@ static int xhci_setup_msix(struct xhci_hcd *xhci)
> >>  
> >>  	for (i = 0; i < xhci->msix_count; i++) {
> >>  		ret = request_irq(xhci->msix_entries[i].vector,
> >> -				(irq_handler_t)xhci_msi_irq,
> >> +				xhci_msi_irq,
> >>  				0, "xhci_hcd", xhci_to_hcd(xhci));
> >>  		if (ret)
> >>  			goto disable_msix;
> >> diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
> >> index de3d6e3..737ef54 100644
> >> --- a/drivers/usb/host/xhci.h
> >> +++ b/drivers/usb/host/xhci.h
> >> @@ -1710,7 +1710,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated);
> >>  
> >>  int xhci_get_frame(struct usb_hcd *hcd);
> >>  irqreturn_t xhci_irq(struct usb_hcd *hcd);
> >> -irqreturn_t xhci_msi_irq(int irq, struct usb_hcd *hcd);
> >> +irqreturn_t xhci_msi_irq(int irq, void *hcd);
> >>  int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev);
> >>  void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev);
> >>  int xhci_alloc_tt_info(struct xhci_hcd *xhci,
> >>
> > 
> > 
> 
> 
> -- 
> Thanks
>     Alex
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