[PATCH] powerpc/ep8248e: Use %pa to format resource_size_t

[Simon Horman]

The correct format string for resource_size_t is %pa which
acts on the address of the variable to be formatted [1].

[1] https://elixir.bootlin.com/linux/v6.11.3/source/Documentation/core-api/printk-formats.rst#L229

Introduced by commit 9d9326d3bc0e ("phy: Change mii_bus id field to a string")

Flagged by gcc-14 as:
arch/powerpc/platforms/82xx/ep8248e.c: In function 'ep8248e_mdio_probe':
arch/powerpc/platforms/82xx/ep8248e.c:131:46: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' {aka 'long long unsigned int'} [-Wformat=]
  131 |         snprintf(bus->id, MII_BUS_ID_SIZE, "%x", res.start);
      |                                             ~^   ~~~~~~~~~
      |                                              |      |
      |                                              |      resource_size_t {aka long long unsigned int}
      |                                              unsigned int
      |                                             %llx

No functional change intended.
Compile tested only.

Reported-by: Geert Uytterhoeven <geert at linux-m68k.org>
Link: https://lore.kernel.org/netdev/711d7f6d-b785-7560-f4dc-c6aad2cce99@linux-m68k.org/
Signed-off-by: Simon Horman <horms at kernel.org>
---
 arch/powerpc/platforms/82xx/ep8248e.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c
index 3dc65ce1f175..8f918916e631 100644
--- a/arch/powerpc/platforms/82xx/ep8248e.c
+++ b/arch/powerpc/platforms/82xx/ep8248e.c
@@ -128,7 +128,7 @@ static int ep8248e_mdio_probe(struct platform_device *ofdev)
 
 	bus->name = "ep8248e-mdio-bitbang";
 	bus->parent = &ofdev->dev;
-	snprintf(bus->id, MII_BUS_ID_SIZE, "%x", res.start);
+	snprintf(bus->id, MII_BUS_ID_SIZE, "%pa", &res.start);
 
 	ret = of_mdiobus_register(bus, ofdev->dev.of_node);
 	if (ret)