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platform/x86: intel_pmc_core: Refactor debugfs entries 

When on a platform if we can't show MPHY and PLL status, don't even bother
to create a debugfs entry as it will fail anyway. In fact unless OEM builds
a special BIOS for test, it will fail on every production system.

This will help to add future platform support where we can't support these
entries.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
hifive-unleashed-5.1
Rajneesh Bhardwaj 2018-01-19 14:28:20 +05:30 committed by Andy Shevchenko
parent 7dc5ff66c2
commit 750e0f570b
1 changed files with 14 additions and 24 deletions
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38
drivers/platform/x86/intel_pmc_core.c
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@ -407,43 +407,33 @@ static void pmc_core_dbgfs_unregister(struct pmc_dev *pmcdev)
static int pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
{
struct dentry *dir, *file;
struct dentry *dir;
dir = debugfs_create_dir("pmc_core", NULL);
if (!dir)
return -ENOMEM;
pmcdev->dbgfs_dir = dir;
file = debugfs_create_file("slp_s0_residency_usec", 0444,
dir, pmcdev, &pmc_core_dev_state);
if (!file)
goto err;
file = debugfs_create_file("pch_ip_power_gating_status", 0444,
dir, pmcdev, &pmc_core_ppfear_ops);
if (!file)
goto err;
debugfs_create_file("slp_s0_residency_usec", 0444, dir, pmcdev,
&pmc_core_dev_state);
file = debugfs_create_file("mphy_core_lanes_power_gating_status", 0444,
dir, pmcdev, &pmc_core_mphy_pg_ops);
if (!file)
goto err;
debugfs_create_file("pch_ip_power_gating_status", 0444, dir, pmcdev,
&pmc_core_ppfear_ops);
file = debugfs_create_file("pll_status", 0444, dir, pmcdev,
&pmc_core_pll_ops);
if (!file)
goto err;
debugfs_create_file("ltr_ignore", 0644, dir, pmcdev,
&pmc_core_ltr_ignore_ops);
file = debugfs_create_file("ltr_ignore", 0644, dir, pmcdev,
&pmc_core_ltr_ignore_ops);
if (pmcdev->map->pll_sts)
debugfs_create_file("pll_status", 0444, dir, pmcdev,
&pmc_core_pll_ops);
if (!file)
goto err;
if (pmcdev->map->mphy_sts)
debugfs_create_file("mphy_core_lanes_power_gating_status",
0444, dir, pmcdev,
&pmc_core_mphy_pg_ops);
return 0;
err:
pmc_core_dbgfs_unregister(pmcdev);
return -ENODEV;
}
#else
static inline int pmc_core_dbgfs_register(struct pmc_dev *pmcdev)