[Public]
> -----Original Message-----
> From: Nathan Chancellor <nathan@xxxxxxxxxx>
> Sent: Monday, April 18, 2022 16:38
> To: S-k, Shyam-sundar <Shyam-sundar.S-k@xxxxxxx>; Limonciello, Mario
> <Mario.Limonciello@xxxxxxx>; Hans de Goede <hdegoede@xxxxxxxxxx>;
> Mark Gross <markgross@xxxxxxxxxx>
> Cc: platform-driver-x86@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> patches@xxxxxxxxxxxxxxx; Nathan Chancellor <nathan@xxxxxxxxxx>
> Subject: [PATCH] platform/x86: amd-pmc: Shuffle location of
> amd_pmc_get_smu_version()
>
> When CONFIG_DEBUG_FS is disabled, amd_pmc_get_smu_version() is unused:
>
> drivers/platform/x86/amd-pmc.c:196:12: warning: unused function
> 'amd_pmc_get_smu_version' [-Wunused-function]
> static int amd_pmc_get_smu_version(struct amd_pmc_dev *dev)
> ^
> 1 warning generated.
>
> Eliminate the warning by moving amd_pmc_get_smu_version() to the
> CONFIG_DEBUG_FS block where it is used.
>
> Fixes: b0c07116c894 ("platform/x86: amd-pmc: Avoid reading SMU version at
> probe time")
> Signed-off-by: Nathan Chancellor <nathan@xxxxxxxxxx>
Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>
> ---
> drivers/platform/x86/amd-pmc.c | 40 +++++++++++++++++-----------------
> 1 file changed, 20 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c
> index 668a1d6c11ee..e266492d3ef7 100644
> --- a/drivers/platform/x86/amd-pmc.c
> +++ b/drivers/platform/x86/amd-pmc.c
> @@ -193,26 +193,6 @@ struct smu_metrics {
> u64 timecondition_notmet_totaltime[SOC_SUBSYSTEM_IP_MAX];
> } __packed;
>
> -static int amd_pmc_get_smu_version(struct amd_pmc_dev *dev)
> -{
> - int rc;
> - u32 val;
> -
> - rc = amd_pmc_send_cmd(dev, 0, &val, SMU_MSG_GETSMUVERSION,
> 1);
> - if (rc)
> - return rc;
> -
> - dev->smu_program = (val >> 24) & GENMASK(7, 0);
> - dev->major = (val >> 16) & GENMASK(7, 0);
> - dev->minor = (val >> 8) & GENMASK(7, 0);
> - dev->rev = (val >> 0) & GENMASK(7, 0);
> -
> - dev_dbg(dev->dev, "SMU program %u version is %u.%u.%u\n",
> - dev->smu_program, dev->major, dev->minor, dev->rev);
> -
> - return 0;
> -}
> -
> static int amd_pmc_stb_debugfs_open(struct inode *inode, struct file *filp)
> {
> struct amd_pmc_dev *dev = filp->f_inode->i_private;
> @@ -417,6 +397,26 @@ static int s0ix_stats_show(struct seq_file *s, void
> *unused)
> }
> DEFINE_SHOW_ATTRIBUTE(s0ix_stats);
>
> +static int amd_pmc_get_smu_version(struct amd_pmc_dev *dev)
> +{
> + int rc;
> + u32 val;
> +
> + rc = amd_pmc_send_cmd(dev, 0, &val, SMU_MSG_GETSMUVERSION,
> 1);
> + if (rc)
> + return rc;
> +
> + dev->smu_program = (val >> 24) & GENMASK(7, 0);
> + dev->major = (val >> 16) & GENMASK(7, 0);
> + dev->minor = (val >> 8) & GENMASK(7, 0);
> + dev->rev = (val >> 0) & GENMASK(7, 0);
> +
> + dev_dbg(dev->dev, "SMU program %u version is %u.%u.%u\n",
> + dev->smu_program, dev->major, dev->minor, dev->rev);
> +
> + return 0;
> +}
> +
> static int amd_pmc_idlemask_show(struct seq_file *s, void *unused)
> {
> struct amd_pmc_dev *dev = s->private;
>
> base-commit: b0c07116c894325d40a218f558047f925e4b3bdb
> --
> 2.36.0
