From: peter.chen@freescale.com (Peter Chen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 07/10] usb: chipidea: usbmisc_imx: add unburst setting for imx6
Date: Wed, 29 Jul 2015 15:57:29 +0800 [thread overview]
Message-ID: <20150729075728.GC27605@shlinux2> (raw)
In-Reply-To: <20150729103022.7cfe0466@ipc1.ka-ro>
On Wed, Jul 29, 2015 at 10:30:22AM +0200, Lothar Wa?mann wrote:
> Hi,
>
> > With this setting and AHBBRST at SBUSCFG as "Incremental burst of
> > unspecified length", each unburst size can be taken as one single transfer.
> > It is benefit for unburst size transfer.
> >
> What is an 'unburst'?
>
Assume burst size is 8 dword, unburst size 't' < 8.
With this feature, 't' length payload can be taken
as one burst transfer, otherwise, the single transfer
(1 dword) will be used.
--
Best Regards,
Peter Chen
WARNING: multiple messages have this Message-ID (diff)
From: Peter Chen <peter.chen-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: "Lothar Waßmann" <LW-bxm8fMRDkQLDiMYJYoSAnRvVK+yQ3ZXh@public.gmane.org>
Cc: shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
pawel.moll-5wv7dgnIgG8@public.gmane.org,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH 07/10] usb: chipidea: usbmisc_imx: add unburst setting for imx6
Date: Wed, 29 Jul 2015 15:57:29 +0800 [thread overview]
Message-ID: <20150729075728.GC27605@shlinux2> (raw)
In-Reply-To: <20150729103022.7cfe0466-VjFSrY7JcPWvSplVBqRQBQ@public.gmane.org>
On Wed, Jul 29, 2015 at 10:30:22AM +0200, Lothar Waßmann wrote:
> Hi,
>
> > With this setting and AHBBRST at SBUSCFG as "Incremental burst of
> > unspecified length", each unburst size can be taken as one single transfer.
> > It is benefit for unburst size transfer.
> >
> What is an 'unburst'?
>
Assume burst size is 8 dword, unburst size 't' < 8.
With this feature, 't' length payload can be taken
as one burst transfer, otherwise, the single transfer
(1 dword) will be used.
--
Best Regards,
Peter Chen
--
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next prev parent reply other threads:[~2015-07-29 7:57 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-29 2:42 [PATCH 00/10] USB: chipidea misc patches Peter Chen
2015-07-29 2:42 ` Peter Chen
2015-07-29 2:42 ` [PATCH 01/10] usb: chipidea: udc: zero-length packet is only needed for TX Peter Chen
2015-07-29 2:42 ` Peter Chen
2015-07-29 2:42 ` [PATCH 02/10] usb: chipidea: define stream mode disable for both roles Peter Chen
2015-07-29 2:42 ` Peter Chen
2015-07-29 5:08 ` Greg KH
2015-07-29 5:08 ` Greg KH
2015-07-29 4:40 ` Peter Chen
2015-07-29 4:40 ` Peter Chen
2015-07-29 5:10 ` Greg KH
2015-07-29 5:10 ` Greg KH
2015-07-29 4:41 ` Peter Chen
2015-07-29 4:41 ` Peter Chen
2015-07-29 5:51 ` Sascha Hauer
2015-07-29 5:51 ` Sascha Hauer
2015-07-29 6:02 ` Sascha Hauer
2015-07-29 6:02 ` Sascha Hauer
2015-07-29 2:42 ` [PATCH 03/10] usb: chipidea: imx: add stream mode enable for device mode at imx6sl/imx6sx Peter Chen
2015-07-29 2:42 ` Peter Chen
2015-07-29 2:42 ` [PATCH 04/10] Doc: usb: ci-hdrc-usb2: add ahb-burst-config for binding doc Peter Chen
2015-07-29 2:42 ` Peter Chen
2015-07-29 2:42 ` [PATCH 05/10] ARM: imx6: set ahb-burst-config as 0 for USB Peter Chen
2015-07-29 2:42 ` Peter Chen
2015-07-29 2:42 ` [PATCH 06/10] usb: chipidea: add ahb burst configuration interface Peter Chen
2015-07-29 2:42 ` Peter Chen
2015-07-29 2:42 ` [PATCH 07/10] usb: chipidea: usbmisc_imx: add unburst setting for imx6 Peter Chen
2015-07-29 2:42 ` Peter Chen
2015-07-29 8:30 ` Lothar Waßmann
2015-07-29 8:30 ` Lothar Waßmann
2015-07-29 7:57 ` Peter Chen [this message]
2015-07-29 7:57 ` Peter Chen
2015-07-29 10:19 ` Lothar Waßmann
2015-07-29 10:19 ` Lothar Waßmann
2015-07-30 2:36 ` Peter Chen
2015-07-30 2:36 ` Peter Chen
2015-07-29 2:42 ` [PATCH 08/10] Doc: usb: ci-hdrc-usb2: add tx(rx)-burst-config-dword for binding doc Peter Chen
2015-07-29 2:42 ` Peter Chen
2015-07-29 2:42 ` [PATCH 09/10] ARM: imx6: change default burst size for USB Peter Chen
2015-07-29 2:42 ` Peter Chen
2015-07-29 2:42 ` [PATCH 10/10] usb: chipidea: add tx/rx burst size configuration interface Peter Chen
2015-07-29 2:42 ` Peter Chen
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