[PATCH] drivers: serial: Fix dev_read_addr error check

[Marek Vasut]

On 5/21/26 7:52 PM, Francois Berder wrote:

The subject tags should be "serial: sh:" instead of "drivers: serial:" , 
I can fix that while applying if that is OK with you ?

> dev_read_addr returns FDT_ADDR_T_NONE (-1) in case of error
> and not 0.
> 
> Signed-off-by: Francois Berder <fberder at outlook.fr>
Reviewed-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
Tested-by: Marek Vasut <marek.vasut+renesas at mailbox.org> # R-Car 
H3/M3-W/M3-N Salvator-X(S), H3/M3-W ULCB, V4H Sparrow Hawk, X5H Ironhide 
RSIP and CA720AE

I'm sorry I took so long with this fix.