Re: [PATCH] cpufreq: amd-pstate: Let user know amd-pstate is disabled

From: Mario Limonciello
Date: Thu Feb 23 2023 - 00:02:17 EST


On 2/22/23 19:30, Kai-Heng Feng wrote:
Commit 202e683df37c ("cpufreq: amd-pstate: add amd-pstate driver

s/Commit/commit/

parameter for mode selection") changed the driver to be disabled by
default, and this can suprise users.

s/suprise/surprise/


Let users know what happened so they can decide what to do next.

BugLink: https://bugs.launchpad.net/bugs/2006942

s/BugLink/Link/

BugLink isn't an official tag, you should use "Link".

Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
---
drivers/cpufreq/amd-pstate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 45c88894fd8e..305f73f657ed 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -1263,7 +1263,7 @@ static int __init amd_pstate_init(void)
* with amd_pstate=passive or other modes in kernel command line
*/
if (cppc_state == AMD_PSTATE_DISABLE) {
- pr_debug("driver load is disabled, boot with specific mode to enable this\n");
+ pr_info("amd_pstate is disabled, boot with specific mode to enable this\n");

The file uses `pr_fmt` so this will show up as `amd_pstate: amd_state is disabled`. That's a bit redundant no?

return -ENODEV;
}