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Re: [PATCHv2] i2c: i2c-tiny-usb: fix buffer not being DMA capable

From Wolfram Sang <wsa@the-dreams.de>
Newsgroups linux.kernel
Subject Re: [PATCHv2] i2c: i2c-tiny-usb: fix buffer not being DMA capable
Date 2017-05-22 10:40 +0200
Message-ID <tJR2F-382-3@gated-at.bofh.it> (permalink)
References <tDHpn-877-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, May 05, 2017 at 11:06:50AM +0200, Sebastian Reichel wrote:
> Since v4.9 i2c-tiny-usb generates the below call trace
> and longer works, since it can't communicate with the
> USB device. The reason is, that since v4.9 the USB
> stack checks, that the buffer it should transfer is DMA
> capable. This was a requirement since v2.2 days, but it
> usually worked nevertheless.
> 

Applied to for-current, thanks!

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Re: [PATCHv2] i2c: i2c-tiny-usb: fix buffer not being DMA capable Wolfram Sang <wsa@the-dreams.de> - 2017-05-22 10:40 +0200

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