[PATCH v2 3/6] spi: sun6i: restrict transfer length in PIO-mode
From: broonie@kernel.org (Mark Brown)
Date: 2018-05-17 16:37:25
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linux-spi, lkml
On Fri, Mar 30, 2018 at 03:50:44PM +0300, Sergey Suloev wrote:
There is no need to handle 3/4 empty/full interrupts as the maximum supported transfer length in PIO mode is 128 bytes for sun6i- and 64 bytes for sun8i-family SoCs.
Surely the whole point of the 3/4 full interrupts is to allow the FIFO to be refilled and enable longer transfers? -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 488 bytes Desc: not available URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20180517/cc6ac43a/attachment-0001.sig>