Re: [v2 13/25] spi: cadence_qspi: Migrate CONFIG_CQSPI_REF_CLK to Kconfig

On Thu, Mar 31, 2022 at 03:35:26PM -0400, Tom Rini wrote:

This is a little tricky since SoCFPGA has code to determine this as runtime. Introduce a guard variable for platforms to select if they have a static value to use. Then for ARCH_SOCFPGA, call cm_get_qspi_controller_clk_hz() and otherwise continue the previous behavior.

Cc: Jagan Teki jagan@amarulasolutions.com Signed-off-by: Tom Rini trini@konsulko.com

OK, so there's a problem with using IS_ENABLED(..) which is that we get a failure to build in the not-enabled case over CONFIG_CQSPI_REF_CLK being unset. And then we can't use if (CONFIG_VAL(..)) because we then run in to needing it to exist for SPL as well. I'm going to go back to v1 of this particular patch.