[U-Boot] [U-Boot, 1/4] serial: ns16550: da8xx (freon/primus) is not omap-like

[Tom Rini <trini@konsulko.com>]

On Fri, Jan 19, 2018 at 05:39:32PM +0100, Matthijs van Duin wrote:
> On 19 January 2018 at 16:41, Tom Rini <trini@konsulko.com> wrote:
> > OK.  For v2, if you can convert CONFIG_SYS_NS16550_MEM32 to Kconfig as
> > well I'd appreciate it.
> 
> I'm not hugely comfortable doing that, since that would affect even
> more targets. To be honest, I don't understand why it even exists as a
> separate var instead of just testing whether
> CONFIG_SYS_NS16550_REG_SIZE is 4 or -4. Are there actually some crazy
> targets that allocate 4 bytes per register yet fail if you use 32-bit
> access?

It's most likely a case that just wasn't cleaned up.  If you want to
correct things by dropping CONFIG_SYS_NS16550_MEM32 and checking
CONFIG_SYS_NS16550_REG_SIZE instead, that's fine.

> Would you object hugely to me just implicitly setting
> CONFIG_SYS_NS16550_MEM32 in ns16550.h for the c6x uart variant? I
> think it makes a lot of sense to do so, since in that case the driver
> itself explicitly depends on being able to write a value that doesn't
> fit in a byte.

Well, it's just SOC_DA8XX that isn't doing it today, and we need to
migrate that CONFIG symbol or do away with it.

-- 
Tom
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