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platform/x86/amd: pmc: Add helper function to check the cpu id

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Add a helper routine to check the underlying cpu id, that can be used
across the PMC driver to remove the duplicate code.

Co-developed-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230525141929.866385-4-Shyam-sundar.S-k@amd.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Shyam Sundar S K 2023-05-25 19:49:28 +05:30 committed by Hans de Goede
parent be8325fb3d
commit 5d50eef380
1 changed files with 14 additions and 3 deletions
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17
drivers/platform/x86/amd/pmc.c
View file

@ -564,6 +564,18 @@ static void amd_pmc_dbgfs_unregister(struct amd_pmc_dev *dev)
debugfs_remove_recursive(dev->dbgfs_dir);
}
static bool amd_pmc_is_stb_supported(struct amd_pmc_dev *dev)
{
switch (dev->cpu_id) {
case AMD_CPU_ID_YC:
case AMD_CPU_ID_CB:
case AMD_CPU_ID_PS:
return true;
default:
return false;
}
}
static void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev)
{
dev->dbgfs_dir = debugfs_create_dir("amd_pmc", NULL);
@ -575,8 +587,7 @@ static void amd_pmc_dbgfs_register(struct amd_pmc_dev *dev)
&amd_pmc_idlemask_fops);
/* Enable STB only when the module_param is set */
if (enable_stb) {
if (dev->cpu_id == AMD_CPU_ID_YC || dev->cpu_id == AMD_CPU_ID_CB ||
dev->cpu_id == AMD_CPU_ID_PS)
if (amd_pmc_is_stb_supported(dev))
debugfs_create_file("stb_read", 0644, dev->dbgfs_dir, dev,
&amd_pmc_stb_debugfs_fops_v2);
else
@ -1036,7 +1047,7 @@ static int amd_pmc_probe(struct platform_device *pdev)
mutex_init(&dev->lock);
if (enable_stb && (dev->cpu_id == AMD_CPU_ID_YC || dev->cpu_id == AMD_CPU_ID_CB)) {
if (enable_stb && amd_pmc_is_stb_supported(dev)) {
err = amd_pmc_s2d_init(dev);
if (err)
goto err_pci_dev_put;