[PATCH 28/30] spi: Enable missing CONFIG_SPL_DM_SPI support

[Marek Vasut]

On 6/10/20 11:48 PM, Tom Rini wrote:
> On Wed, Jun 10, 2020 at 05:01:21PM -0400, Tom Rini wrote:
>> On Wed, Jun 10, 2020 at 10:38:45PM +0200, Marek Vasut wrote:
>>> On 6/10/20 10:16 PM, Tom Rini wrote:
>>> [...]
>>>>  configs/socfpga_dbm_soc1_defconfig                             | 1 +
>>>>  configs/socfpga_de0_nano_soc_defconfig                         | 1 +
>>>>  configs/socfpga_de10_nano_defconfig                            | 1 +
>>>>  configs/socfpga_de1_soc_defconfig                              | 1 +
>>>
>>> I don't think those de*_soc boards have a SPI NOR at all.
>>> And I'm also afraid that enabling this will make those boards overflow
>>> SPL size limits.
>>
>> There is zero size change from this patch on any platform included in
>> this patch.
>>
>> Today each of the boards you mention enables CONFIG_SPL_SPI_SUPPORT,
>> CONFIG_SPL_SPI_FLASH_SUPPORT and then CONFIG_SPL_SPI_FLASH_TINY.
>>
>> That said, that means you aren't using SPL_DM_SPI for real, so I'll go
>> take a look at what to change instead in the previous patch, thanks!
> 
> Nope, check your platforms again.  Based on looking over
> socfpga_de1_soc/spl/u-boot-spl.map it's not discarding a bunch of the DM
> SPI stuff as we're in fact building it today, and using the few
> functions that spi-mem-nodm.c provides from spi-mem.c instead.  So this
> is correct for what's happening today.

Are you _sure_ the board has a SPI NOR on it at all ? I doubt all of
them do, so it seems some of those SPL DM SPI are copy-paste errors.