Re: [PATCH net-next 14/15] net: dsa: sja1105: replace mdiobus-pcs with xpcs-plat driver

[Russell King (Oracle)]

On Wed, Nov 19, 2025 at 12:03:29PM +0000, Russell King (Oracle) wrote:
> On Wed, Nov 19, 2025 at 02:01:11PM +0200, Vladimir Oltean wrote:
> > I do wonder how to print resource_size_t (typedef to phys_addr_t, which
> > is typedeffed to u64 or u32 depending on CONFIG_PHYS_ADDR_T_64BIT).
> 
> From the now hard to find Documentation/core-api/printk-formats.rst:
> 
> Physical address types phys_addr_t
> ----------------------------------
> 
> ::
> 
>         %pa[p]  0x01234567 or 0x0123456789abcdef
> 
> For printing a phys_addr_t type (and its derivatives, such as
> resource_size_t) which can vary based on build options, regardless of the
> width of the CPU data path.
> 
> Passed by reference.

Hmm, but I guess you don't want the 0x prefix. Maybe print it to a
separate buffer and then lop off the first two characters?

Another solution would be to always cast it to a u64 and use %llx as
suggested in the "Integer types" section.

-- 
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