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Groups > linux.kernel > #1646604
| 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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