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| author | Jane Chu <jane.chu@oracle.com> | 2022-04-22 16:45:02 -0600 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2022-05-16 11:46:44 -0700 |
| commit | 7917f9cdb5032ac065ac6a5415f5722f215b2608 (patch) | |
| tree | 499aba03c434c2819483d1b15cd3b2b99ec234a8 /drivers/acpi | |
| parent | d43fae7c4d3e6dfee9d26287907dbe8e27ff8846 (diff) | |
| download | linux-7917f9cdb5032ac065ac6a5415f5722f215b2608.tar.gz linux-7917f9cdb5032ac065ac6a5415f5722f215b2608.tar.bz2 linux-7917f9cdb5032ac065ac6a5415f5722f215b2608.zip | |
acpi/nfit: rely on mce->misc to determine poison granularity
nfit_handle_mec() hardcode poison granularity at L1_CACHE_BYTES.
Instead, let the driver rely on mce->misc register to determine
the poison granularity.
Suggested-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jane Chu <jane.chu@oracle.com>
Link: https://lore.kernel.org/r/20220422224508.440670-2-jane.chu@oracle.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/nfit/mce.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/acpi/nfit/mce.c b/drivers/acpi/nfit/mce.c index ee8d9973f60b..d48a388b796e 100644 --- a/drivers/acpi/nfit/mce.c +++ b/drivers/acpi/nfit/mce.c @@ -32,6 +32,7 @@ static int nfit_handle_mce(struct notifier_block *nb, unsigned long val, */ mutex_lock(&acpi_desc_lock); list_for_each_entry(acpi_desc, &acpi_descs, list) { + unsigned int align = 1UL << MCI_MISC_ADDR_LSB(mce->misc); struct device *dev = acpi_desc->dev; int found_match = 0; @@ -63,8 +64,7 @@ static int nfit_handle_mce(struct notifier_block *nb, unsigned long val, /* If this fails due to an -ENOMEM, there is little we can do */ nvdimm_bus_add_badrange(acpi_desc->nvdimm_bus, - ALIGN(mce->addr, L1_CACHE_BYTES), - L1_CACHE_BYTES); + ALIGN_DOWN(mce->addr, align), align); nvdimm_region_notify(nfit_spa->nd_region, NVDIMM_REVALIDATE_POISON); |