On 8/7/20 10:43 AM, Sean Anderson wrote:
> +/* The size of ctrl1 limits data transfers to 64K */
> +static int dw_spi_adjust_op_size(struct spi_slave *slave, struct spi_mem_op
> *op)
> +{
> + op->data.nbytes = min(op->data.nbytes, (unsigned int)SZ_64K);
This isn't defined for SoCFPGAs [1],
The designware ssi device has "broken" chip select behaviour [1], and needs
specific manipulation to use the built-in chip select. The existing fix is
to use an external GPIO for chip select, but typically the K210 has SPI3
directly connected to a flash chip with dedicated pins. This makes it
impos
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