[PATCH v2 5/5] powercap: intel_rapl: Use %pe to print error pointers symbolically

From: Sumeet Pawnikar

Date: Sat Sep 12 2026 - 15:15:15 EST


Replace PTR_ERR() and %ld with %pe and pass the original pointer directly
to pr_debug(). The %pe format specifier prints a symbolic error name
(e.g. -ENOMEM) when CONFIG_SYMBOLIC_ERRNAME is enabled, otherwise it falls
back gracefully and prints the raw integer value. This makes messages more
readable without any functional change.

Signed-off-by: Sumeet Pawnikar <sumeet4linux@xxxxxxxxx>
---
drivers/powercap/intel_rapl_msr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c
index a34543e66446..46972ee1ff84 100644
--- a/drivers/powercap/intel_rapl_msr.c
+++ b/drivers/powercap/intel_rapl_msr.c
@@ -582,8 +582,8 @@ static int intel_rapl_msr_init(void)
rapl_msr_platdev = platform_device_register_data(NULL, "intel_rapl_msr", 0, def,
sizeof(*def));
if (IS_ERR(rapl_msr_platdev))
- pr_debug("intel_rapl_msr device register failed, ret:%ld\n",
- PTR_ERR(rapl_msr_platdev));
+ pr_debug("intel_rapl_msr device register failed, ret:%pe\n",
+ rapl_msr_platdev);

return 0;
}
--
2.43.0