[PATCH] spi: atmel: Fix CS and initialization bug
Mark Brown
broonie at kernel.org
Tue Jun 29 09:47:33 PDT 2021
On Tue, Jun 29, 2021 at 09:29:14AM -0700, Dan Sneddon wrote:
> spi_setup won't get programmed into the hardware. This patch makes
> sure the cs_activate call is made even with a gpio controlled chip
> select.
In what way does it do that? I can't tell what the patch is supposed to
do.
> - enable = (!!(spi->mode & SPI_CS_HIGH) == enable);
>
> - if (enable) {
> + if ((enable && (spi->mode & SPI_CS_HIGH))
> + || (!enable && !(spi->mode & SPI_CS_HIGH))) {
This looks especially suspicious.
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