From: Bin Liu <b-liu-l0cyMroinI0@public.gmane.org>
To: "Matwey V. Kornilov" <matwey-TTlVxmypnbovJsYlp49lxw@public.gmane.org>
Cc: Linux OMAP List
<linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [OOPS] cppi41_dma_channel_program: Unable to handle kernel NULL pointer dereference
Date: Fri, 20 May 2016 16:12:36 -0500 [thread overview]
Message-ID: <20160520211236.GB3432@uda0271908> (raw)
In-Reply-To: <CAJs94EZm3aV23x3hGHLpM4dAC+C9rH-ro3JbWU=se_QWv9jRmw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
Hi,
On Sat, May 21, 2016 at 12:05:06AM +0300, Matwey V. Kornilov wrote:
> By the way, is it ok that function musb_rx_dma_iso_cppi41 uses
> hw_ep->tx_channel? I would suppose that it should use rx_channel
> instead.
I just got here, and am wondering the same. But the question is why just
your case hit the problem. I will try to look at it more next week.
I had an impression the linux-usb@ has a discussion before about
rx/tx-channel messing up, will have to look it up.
Regards,
-Bin.
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next prev parent reply other threads:[~2016-05-20 21:12 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-20 13:19 [OOPS] cppi41_dma_channel_program: Unable to handle kernel NULL pointer dereference matwey-TTlVxmypnbovJsYlp49lxw
[not found] ` <1463750386-6259-1-git-send-email-matwey-TTlVxmypnbovJsYlp49lxw@public.gmane.org>
2016-05-20 13:32 ` Matwey V. Kornilov
[not found] ` <CAJs94EZjWi0KGn_siyXNGvjO2DTh2aXtYqKzy7Km7mA_bYTeKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-20 20:10 ` Bin Liu
2016-05-20 20:55 ` Matwey V. Kornilov
[not found] ` <CAJs94EZSwJ=sJv6NtR6RNdiugiSQQpam-TFRTn0uZZJ4MLsr5g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-20 20:58 ` Matwey V. Kornilov
[not found] ` <CAJs94EY3BfQjkk+0hKR5WfKggvmtgV0yz77awiX8Lt_pLYs3ug-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-20 21:05 ` Matwey V. Kornilov
[not found] ` <CAJs94EZm3aV23x3hGHLpM4dAC+C9rH-ro3JbWU=se_QWv9jRmw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-20 21:12 ` Bin Liu [this message]
2016-05-20 21:20 ` Matwey V. Kornilov
[not found] ` <CAJs94Eb6tfJHV7YeAA0UATF2A5oNrCDTSqTAdHbacmrm4Qw=8w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-21 3:13 ` Bin Liu
[not found] ` <CADYTM3bcTWSBf9HXKpsud6i--_04tsKZX1J3p9_6TqL1gp9YnA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-21 17:50 ` Matwey V. Kornilov
[not found] ` <CAJs94EYePeENwsHD--E6cGVP22-nfYcy_yTK-V2Hc1wWYb04vw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-21 19:04 ` Matwey V. Kornilov
[not found] ` <CAJs94EaxaQ4U9T48Lz-jox4VkS-ThDQ3DkSB+1SvnFzMXM_+FA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-23 13:36 ` Bin Liu
2016-05-23 13:41 ` Matwey V. Kornilov
2016-05-28 13:33 ` Matwey V. Kornilov
2016-05-23 13:35 ` Bin Liu
2016-05-23 13:38 ` Matwey V. Kornilov
[not found] ` <CAJs94EZkDGhoUmQe8LdAUwoaYJM8eGH=0nyEbUzv6YNsJPX2Qw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-23 15:13 ` Tony Lindgren
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