[PATCH 11/14] spi: spi-fsl-dspi: Halt the module after a new message transfer

Mark Brown broonie at kernel.org
Fri May 9 18:19:44 PDT 2025


On Fri, May 09, 2025 at 12:05:58PM +0100, James Clark wrote:
> From: Bogdan-Gabriel Roman <bogdan-gabriel.roman at nxp.com>
> 
> The XSPI mode implementation in this driver still uses the EOQ flag to
> signal the last word in a transmission and deassert the PCS signal.
> However, at speeds lower than ~200kHZ, the PCS signal seems to remain
> asserted even when SR[EOQF] = 1 indicates the end of a transmission.
> This is a problem for target devices which require the deassertation of
> the PCS signal between transfers.

This also looks like it might be a fix?
-------------- 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/20250510/8daf1c48/attachment.sig>


More information about the linux-arm-kernel mailing list