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Groups > linux.kernel > #1658622
| From | Wolfram Sang <wsa@the-dreams.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC PATCH 2/4] i2c: add docs to clarify DMA handling |
| Date | 2017-06-06 13:00 +0200 |
| Message-ID | <tPknp-7Bq-49@gated-at.bofh.it> (permalink) |
| References | <tPiYi-6PD-9@gated-at.bofh.it> <tPiYi-6PD-17@gated-at.bofh.it> <tPjAZ-7ik-7@gated-at.bofh.it> <tPjUl-7rj-7@gated-at.bofh.it> <tPk41-7uB-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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> So it won't fall back to PIO if CONFIG_DMA_API_DEBUG is enabled? No, it will complain loudly with more details about the same things (and some more). But for that to do, it cannot fall back to PIO. Otherwise, you might get the idea that all is fine since you enabled CONFIG_DMA_API_DEBUG but miss that most of you transfers fell back to PIO. That was my thinking...
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[RFC PATCH 2/4] i2c: add docs to clarify DMA handling Wolfram Sang <wsa+renesas@sang-engineering.com> - 2017-06-06 11:30 +0200
Re: [RFC PATCH 2/4] i2c: add docs to clarify DMA handling Geert Uytterhoeven <geert@linux-m68k.org> - 2017-06-06 12:10 +0200
Re: [RFC PATCH 2/4] i2c: add docs to clarify DMA handling Wolfram Sang <wsa@the-dreams.de> - 2017-06-06 12:30 +0200
Re: [RFC PATCH 2/4] i2c: add docs to clarify DMA handling Geert Uytterhoeven <geert@linux-m68k.org> - 2017-06-06 12:40 +0200
Re: [RFC PATCH 2/4] i2c: add docs to clarify DMA handling Wolfram Sang <wsa@the-dreams.de> - 2017-06-06 13:00 +0200
Re: [RFC PATCH 2/4] i2c: add docs to clarify DMA handling Geert Uytterhoeven <geert@linux-m68k.org> - 2017-06-06 13:20 +0200
Re: [RFC PATCH 2/4] i2c: add docs to clarify DMA handling Wolfram Sang <wsa@the-dreams.de> - 2017-06-06 13:30 +0200
Re: [RFC PATCH 2/4] i2c: add docs to clarify DMA handling Geert Uytterhoeven <geert@linux-m68k.org> - 2017-06-06 17:30 +0200
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