linux-kernel - [PATCH 1/4] clk: mpc512x: fix resource printk format warning

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Date:   Wed, 22 Feb 2023 23:01:13 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>, Gerhard Sittig <gsi@...x.de>,
        Anatolij Gustschin <agust@...x.de>,
        linuxppc-dev@...ts.ozlabs.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Subject: [PATCH 1/4] clk: mpc512x: fix resource printk format warning

Use "%pa" format specifier for resource_size_t to avoid a compiler
printk format warning.

../arch/powerpc/platforms/512x/clock-commonclk.c: In function 'mpc5121_clk_provide_backwards_compat':
../arch/powerpc/platforms/512x/clock-commonclk.c:989:44: error: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' {aka 'long long unsigned int'} [-Werror=format=]
  989 |         snprintf(devname, sizeof(devname), "%08x.%s", res.start, np->name); \
      |                                            ^~~~~~~~~  ~~~~~~~~~
      |                                                          |
      |                                                          resource_size_t {aka long long unsigned int}

Prevents 24 such warnings.

Fixes: 01f25c371658 ("clk: mpc512x: add backwards compat to the CCF code")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Gerhard Sittig <gsi@...x.de>
Cc: Anatolij Gustschin <agust@...x.de>
Cc: linuxppc-dev@...ts.ozlabs.org
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Nicholas Piggin <npiggin@...il.com>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/platforms/512x/clock-commonclk.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -- a/arch/powerpc/platforms/512x/clock-commonclk.c b/arch/powerpc/platforms/512x/clock-commonclk.c
--- a/arch/powerpc/platforms/512x/clock-commonclk.c
+++ b/arch/powerpc/platforms/512x/clock-commonclk.c
@@ -986,7 +986,7 @@ static void __init mpc5121_clk_provide_m
 
 #define NODE_PREP do { \
 	of_address_to_resource(np, 0, &res); \
-	snprintf(devname, sizeof(devname), "%08x.%s", res.start, np->name); \
+	snprintf(devname, sizeof(devname), "%pa.%s", &res.start, np->name); \
 } while (0)
 
 #define NODE_CHK(clkname, clkitem, regnode, regflag) do { \