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Groups > linux.kernel > #1442788 > unrolled thread
| Started by | Girish Mahadevan <girishm@codeaurora.org> |
|---|---|
| First post | 2016-07-13 21:40 +0200 |
| Last post | 2016-07-14 15:40 +0200 |
| Articles | 2 — 2 participants |
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[PATCH RFCv1 0/1] Update struct spi_transfer to specify 8x bit transfers Girish Mahadevan <girishm@codeaurora.org> - 2016-07-13 21:40 +0200
Re: [PATCH RFCv1 0/1] Update struct spi_transfer to specify 8x bit transfers Mark Brown <broonie@kernel.org> - 2016-07-14 15:40 +0200
| From | Girish Mahadevan <girishm@codeaurora.org> |
|---|---|
| Date | 2016-07-13 21:40 +0200 |
| Subject | [PATCH RFCv1 0/1] Update struct spi_transfer to specify 8x bit transfers |
| Message-ID | <rUyaJ-7qt-5@gated-at.bofh.it> |
We’re working on a driver for a Quad SPI controller [using up to 4 data lines] which can use dual-data-sampling to implement 8-bit transfers. To allow a slave driver to specify the 8-bit transfer we'd like to make this change to the spi_transfer data structure. We are still working on the driver we will send an RFC for the driver patches separately once it is ready. Girish Mahadevan (1): spi: Expand tx_nbits/rx_nbits to add 8-bit transfer include/linux/spi/spi.h | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) -- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project
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| From | Mark Brown <broonie@kernel.org> |
|---|---|
| Date | 2016-07-14 15:40 +0200 |
| Subject | Re: [PATCH RFCv1 0/1] Update struct spi_transfer to specify 8x bit transfers |
| Message-ID | <rUP1T-1Qz-1@gated-at.bofh.it> |
| In reply to | #1442788 |
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On Wed, Jul 13, 2016 at 01:34:36PM -0600, Girish Mahadevan wrote: > We’re working on a driver for a Quad SPI controller [using up to 4 data lines] which can use dual-data-sampling to implement 8-bit transfers. To allow a slave driver to specify the 8-bit transfer we'd like to make this change to the spi_transfer data structure. We are still working on the driver we will send an RFC for the driver patches separately once it is ready. Please don't send cover letters for single patches, if there is anything that needs saying put it in the changelog of the patch or after the --- if it's administrative stuff. This reduces mail volume and ensures that any important information is recorded in the changelog rather than being lost. Please fix your mail client to word wrap within paragraphs at something substantially less than 80 columns. Doing this makes your messages much easier to read and reply to.
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