linux-kernel - Re: [PATCH 1/3] usb: musb: musb_host: Enable ISOCH IN handling for AM335x host

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <52E654A6.2020601@cogentembedded.com>
Date:	Mon, 27 Jan 2014 16:44:22 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	George Cherian <george.cherian@...com>, linux-usb@...r.kernel.org
CC:	balbi@...com, gregkh@...uxfoundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] usb: musb: musb_host: Enable ISOCH IN handling for
 AM335x host

Hello.

On 27-01-2014 13:21, George Cherian wrote:

>>> Enable the isochrounous IN handling for AM335x HOST.
>>> Reprogram CPPI to receive consecutive ISOCH frames in the same URB.

>>    Sigh, I knew CPPI ISO path was broken for years but didn't have time to
>> fix it. :-(

>>> Signed-off-by: George Cherian <george.cherian@...com>
>>> --- git rebase
>>>   drivers/usb/musb/musb_host.c | 29 ++++++++++++++++++++++++++---
>>>   1 file changed, 26 insertions(+), 3 deletions(-)

>>> diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
>>> index ed45572..5b6482c 100644
>>> --- a/drivers/usb/musb/musb_host.c
>>> +++ b/drivers/usb/musb/musb_host.c
>>> @@ -1689,9 +1689,11 @@ void musb_host_rx(struct musb *musb, u8 epnum)
[...]
>>>           musb_writew(hw_ep->regs, MUSB_RXCSR, val);
>>>
>>> -#if defined(CONFIG_USB_INVENTRA_DMA) || defined(CONFIG_USB_UX500_DMA)
>>> +#if defined(CONFIG_USB_INVENTRA_DMA) || defined(CONFIG_USB_UX500_DMA) || \
>>> +    defined(CONFIG_USB_TI_CPPI41_DMA)

>>    The DaVinci CPPI 3.0 should probably also be included here...

> Should'nt that be a separate patch as this one is specific to AM335X.

    Of course.

WBR, Sergei

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/