From: Chen Peter-B29397 <B29397@freescale.com> To: Will Deacon <will.deacon@arm.com> Cc: Russell King <linux@arm.linux.org.uk>, Chen Peter-B29397 <B29397@freescale.com>, "ming.lei@canonical.com" <ming.lei@canonical.com>, "linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>, Greg KH <greg@kroah.com>, Mark Salter <msalter@redhat.com>, "stern@rowland.harvard.edu" <stern@rowland.harvard.edu>, "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: Re: [PATCH] usb: ehci: make HC see up-to-date qh/qtd descriptor ASAP Date: Wed, 31 Aug 2011 12:33:29 +0000 [thread overview] Message-ID: <ED138203-5980-4D48-AC14-4784A199C89F@freescale.com> (raw) In-Reply-To: <20110831084922.GA8777@e102144-lin.cambridge.arm.com> Best Regard, Peter Chen On Aug 31, 2011, at 4:49 PM, Will Deacon wrote: > On Wed, Aug 31, 2011 at 01:23:47AM +0100, Chen Peter-B29397 wrote: >> One question: why this write buffer issue did not happen at UP ARM V7 platform, whose dma buffer >> also uncache, but bufferable? > > Which CPU was on this platform? Cortex A8 UP system (freescale i.MX5x platform) > > Will >
WARNING: multiple messages have this Message-ID (diff)
From: B29397@freescale.com (Chen Peter-B29397) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH] usb: ehci: make HC see up-to-date qh/qtd descriptor ASAP Date: Wed, 31 Aug 2011 12:33:29 +0000 [thread overview] Message-ID: <ED138203-5980-4D48-AC14-4784A199C89F@freescale.com> (raw) In-Reply-To: <20110831084922.GA8777@e102144-lin.cambridge.arm.com> Best Regard, Peter Chen On Aug 31, 2011, at 4:49 PM, Will Deacon wrote: > On Wed, Aug 31, 2011 at 01:23:47AM +0100, Chen Peter-B29397 wrote: >> One question: why this write buffer issue did not happen at UP ARM V7 platform, whose dma buffer >> also uncache, but bufferable? > > Which CPU was on this platform? Cortex A8 UP system (freescale i.MX5x platform) > > Will >
next prev parent reply other threads:[~2011-08-31 12:33 UTC|newest] Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-08-30 16:03 [PATCH] usb: ehci: make HC see up-to-date qh/qtd descriptor ASAP ming.lei-Z7WLFzj8eWMS+FvcfC7Uqw 2011-08-30 16:03 ` ming.lei at canonical.com 2011-08-30 16:15 ` Alan Stern 2011-08-30 16:15 ` Alan Stern 2011-08-30 16:38 ` Mark Salter 2011-08-30 16:38 ` Mark Salter 2011-08-30 17:15 ` Alan Stern 2011-08-30 17:15 ` Alan Stern 2011-08-30 18:45 ` Mark Salter 2011-08-30 18:45 ` Mark Salter 2011-08-30 17:26 ` Will Deacon 2011-08-30 17:26 ` Will Deacon [not found] ` <20110830172642.GE3464-SGELLbQ0bobZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org> 2011-08-30 17:48 ` Greg KH 2011-08-30 17:48 ` Greg KH 2011-08-30 17:54 ` Will Deacon 2011-08-30 17:54 ` Will Deacon [not found] ` <20110830175432.GG3464-SGELLbQ0bobZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org> 2011-08-31 0:23 ` Chen Peter-B29397 2011-08-31 0:23 ` Chen Peter-B29397 2011-08-31 8:49 ` Will Deacon 2011-08-31 8:49 ` Will Deacon 2011-08-31 12:33 ` Chen Peter-B29397 [this message] 2011-08-31 12:33 ` Chen Peter-B29397 2011-08-31 13:43 ` Mark Salter 2011-08-31 13:43 ` Mark Salter 2011-08-31 15:21 ` Will Deacon 2011-08-31 15:21 ` Will Deacon 2011-08-31 15:27 ` Mark Salter 2011-08-31 15:27 ` Mark Salter 2011-08-31 16:12 ` Marc Zyngier 2011-08-31 16:12 ` Marc Zyngier 2011-08-31 16:55 ` Marc Dietrich 2011-08-31 16:55 ` Marc Dietrich 2011-09-01 10:34 ` Marc Zyngier 2011-09-01 10:34 ` Marc Zyngier [not found] ` <4E5F5FA9.3010305-5wv7dgnIgG8@public.gmane.org> 2011-09-01 11:13 ` Marc Dietich 2011-09-01 11:13 ` Marc Dietich 2011-09-01 19:08 ` Stephen Warren 2011-09-01 19:08 ` Stephen Warren 2011-09-02 9:50 ` Marc Zyngier 2011-09-02 9:50 ` Marc Zyngier 2011-09-02 17:07 ` Stephen Warren 2011-09-02 17:07 ` Stephen Warren [not found] ` <74CDBE0F657A3D45AFBB94109FB122FF04B327A383-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org> 2011-09-02 11:13 ` Marc Dietich 2011-09-02 11:13 ` Marc Dietich 2011-08-31 17:46 ` Nicolas Pitre 2011-08-31 17:46 ` Nicolas Pitre 2011-08-31 17:51 ` Will Deacon 2011-08-31 17:51 ` Will Deacon [not found] ` <20110831175147.GI8777-SGELLbQ0bobZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org> 2011-08-31 18:19 ` Rob Herring 2011-08-31 18:19 ` Rob Herring 2011-08-31 18:35 ` Mark Salter 2011-08-31 18:35 ` Mark Salter 2011-08-31 18:49 ` Rob Herring 2011-08-31 18:49 ` Rob Herring [not found] ` <4E5E8230.9060307-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-08-31 18:58 ` Mark Salter 2011-08-31 18:58 ` Mark Salter 2011-08-31 19:35 ` Will Deacon 2011-08-31 19:35 ` Will Deacon 2011-09-08 22:41 ` Mark Salter 2011-09-08 22:41 ` Mark Salter [not found] ` <1315521779.2313.29.camel-PDpCo7skNiwAicBL8TP8PQ@public.gmane.org> 2011-10-31 6:49 ` Pandita, Vikram 2011-10-31 6:49 ` Pandita, Vikram 2011-08-31 0:56 ` Ming Lei 2011-08-31 0:56 ` Ming Lei 2011-09-01 23:16 ` Grant Grundler
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