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platform/x86: intel_pmc_core: Add an additional parameter to pmc_core_lpm_display()

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Add a device pointer of type struct device as an additional parameter to
pmc_core_lpm_display(), so that the driver can re-use it to dump the
debug registers in resume for an S0ix failure.

Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: David Box <david.e.box@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Gayatri Kammela 2020-02-04 15:01:58 -08:00 committed by Andy Shevchenko
parent a018e28f08
commit 913f984a83
1 changed files with 18 additions and 6 deletions
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24
drivers/platform/x86/intel_pmc_core.c
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@ -973,8 +973,9 @@ static int pmc_core_substate_res_show(struct seq_file *s, void *unused)
}
DEFINE_SHOW_ATTRIBUTE(pmc_core_substate_res);
static void pmc_core_lpm_display(struct pmc_dev *pmcdev, struct seq_file *s,
u32 offset, const char *str,
static void pmc_core_lpm_display(struct pmc_dev *pmcdev, struct device *dev,
struct seq_file *s, u32 offset,
const char *str,
const struct pmc_bit_map **maps)
{
u32 lpm_regs[ARRAY_SIZE(tgl_lpm_maps)-1];
@ -986,11 +987,22 @@ static void pmc_core_lpm_display(struct pmc_dev *pmcdev, struct seq_file *s,
}
for (idx = 0; maps[idx]; idx++) {
seq_printf(s, "\nLPM_%s_%d:\t0x%x\n", str, idx, lpm_regs[idx]);
if (dev)
dev_dbg(dev, "\nLPM_%s_%d:\t0x%x\n", str, idx,
lpm_regs[idx]);
if (s)
seq_printf(s, "\nLPM_%s_%d:\t0x%x\n", str, idx,
lpm_regs[idx]);
for (index = 0; maps[idx][index].name && index < len; index++) {
bit_mask = maps[idx][index].bit_mask;
seq_printf(s, "%-30s %-30d\n", maps[idx][index].name,
lpm_regs[idx] & bit_mask ? 1 : 0);
if (dev)
dev_dbg(dev, "%-30s %-30d\n",
maps[idx][index].name,
lpm_regs[idx] & bit_mask ? 1 : 0);
if (s)
seq_printf(s, "%-30s %-30d\n",
maps[idx][index].name,
lpm_regs[idx] & bit_mask ? 1 : 0);
}
}
}
@ -1001,7 +1013,7 @@ static int pmc_core_substate_sts_regs_show(struct seq_file *s, void *unused)
const struct pmc_bit_map **maps = pmcdev->map->lpm_sts;
u32 offset = pmcdev->map->lpm_status_offset;
pmc_core_lpm_display(pmcdev, s, offset, "STATUS", maps);
pmc_core_lpm_display(pmcdev, NULL, s, offset, "STATUS", maps);
return 0;
}