<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-toradex.git/drivers/acpi, branch v5.14</title>
<subtitle>Linux kernel for Apalis and Colibri modules</subtitle>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/'/>
<entry>
<title>Merge branch 'acpi-pm'</title>
<updated>2021-08-20T19:11:43+00:00</updated>
<author>
<name>Rafael J. Wysocki</name>
<email>rafael.j.wysocki@intel.com</email>
</author>
<published>2021-08-20T19:11:43+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=0f09f4c48118ce3c562e1028df7fe0f8150493d6'/>
<id>0f09f4c48118ce3c562e1028df7fe0f8150493d6</id>
<content type='text'>
* acpi-pm:
  ACPI: PM: s2idle: Invert Microsoft UUID entry and exit
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
* acpi-pm:
  ACPI: PM: s2idle: Invert Microsoft UUID entry and exit
</pre>
</div>
</content>
</entry>
<entry>
<title>ACPI: PM: s2idle: Invert Microsoft UUID entry and exit</title>
<updated>2021-08-16T16:28:12+00:00</updated>
<author>
<name>Mario Limonciello</name>
<email>mario.limonciello@amd.com</email>
</author>
<published>2021-08-10T01:40:04+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=4753b46e16073c3100551a61024989d50f5e4874'/>
<id>4753b46e16073c3100551a61024989d50f5e4874</id>
<content type='text'>
It was reported by a user with a Dell m15 R5 (5800H) that
the keyboard backlight was turning on when entering suspend
and turning off when exiting (the opposite of how it should be).

The user bisected it back to commit 5dbf50997578 ("ACPI: PM:
s2idle: Add support for new Microsoft UUID").  Previous to that
commit the LEDs didn't turn off at all.  Confirming in the spec,
these were reversed when introduced.

Fix them to match the spec.

BugLink: https://gitlab.freedesktop.org/drm/amd/-/issues/1230#note_1021836
Fixes: 5dbf50997578 ("ACPI: PM: s2idle: Add support for new Microsoft UUID")
Signed-off-by: Mario Limonciello &lt;mario.limonciello@amd.com&gt;
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
It was reported by a user with a Dell m15 R5 (5800H) that
the keyboard backlight was turning on when entering suspend
and turning off when exiting (the opposite of how it should be).

The user bisected it back to commit 5dbf50997578 ("ACPI: PM:
s2idle: Add support for new Microsoft UUID").  Previous to that
commit the LEDs didn't turn off at all.  Confirming in the spec,
these were reversed when introduced.

Fix them to match the spec.

BugLink: https://gitlab.freedesktop.org/drm/amd/-/issues/1230#note_1021836
Fixes: 5dbf50997578 ("ACPI: PM: s2idle: Add support for new Microsoft UUID")
Signed-off-by: Mario Limonciello &lt;mario.limonciello@amd.com&gt;
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>ACPI: PRM: Deal with table not present or no module found</title>
<updated>2021-08-16T15:06:40+00:00</updated>
<author>
<name>Aubrey Li</name>
<email>aubrey.li@intel.com</email>
</author>
<published>2021-08-06T00:46:24+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=2bbfa0addd63fd06756b7af8bf146ae166e2abf5'/>
<id>2bbfa0addd63fd06756b7af8bf146ae166e2abf5</id>
<content type='text'>
On the system PRMT table is not present, dmesg output:

	$ dmesg | grep PRM
	[    1.532237] ACPI: PRMT not present
	[    1.532237] PRM: found 4294967277 modules

The result of acpi_table_parse_entries need to be checked and return
immediately if PRMT table is not present or no PRM module found.

Signed-off-by: Aubrey Li &lt;aubrey.li@linux.intel.com&gt;
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
On the system PRMT table is not present, dmesg output:

	$ dmesg | grep PRM
	[    1.532237] ACPI: PRMT not present
	[    1.532237] PRM: found 4294967277 modules

The result of acpi_table_parse_entries need to be checked and return
immediately if PRMT table is not present or no PRM module found.

Signed-off-by: Aubrey Li &lt;aubrey.li@linux.intel.com&gt;
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'libnvdimm-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm</title>
<updated>2021-08-15T05:46:39+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2021-08-15T05:46:39+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=7ba34c0cba0b4e64ff321c9a74272eaab7b27bca'/>
<id>7ba34c0cba0b4e64ff321c9a74272eaab7b27bca</id>
<content type='text'>
Pull libnvdimm fixes from Dan Williams:
 "A couple of fixes for long standing bugs, a warning fixup, and some
  miscellaneous dax cleanups.

  The bugs were recently found due to new platforms looking to use the
  ACPI NFIT "virtual" device definition, and new error injection
  capabilities to trigger error responses to label area requests. Ira's
  cleanups have been long pending, I neglected to send them earlier, and
  see no harm in including them now. This has all appeared in -next with
  no reported issues.

  Summary:

   - Fix support for NFIT "virtual" ranges (BIOS-defined memory disks)

   - Fix recovery from failed label storage areas on NVDIMM devices

   - Miscellaneous cleanups from Ira's investigation of
     dax_direct_access paths preparing for stray-write protection"

* tag 'libnvdimm-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  tools/testing/nvdimm: Fix missing 'fallthrough' warning
  libnvdimm/region: Fix label activation vs errors
  ACPI: NFIT: Fix support for virtual SPA ranges
  dax: Ensure errno is returned from dax_direct_access
  fs/dax: Clarify nr_pages to dax_direct_access()
  fs/fuse: Remove unneeded kaddr parameter
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull libnvdimm fixes from Dan Williams:
 "A couple of fixes for long standing bugs, a warning fixup, and some
  miscellaneous dax cleanups.

  The bugs were recently found due to new platforms looking to use the
  ACPI NFIT "virtual" device definition, and new error injection
  capabilities to trigger error responses to label area requests. Ira's
  cleanups have been long pending, I neglected to send them earlier, and
  see no harm in including them now. This has all appeared in -next with
  no reported issues.

  Summary:

   - Fix support for NFIT "virtual" ranges (BIOS-defined memory disks)

   - Fix recovery from failed label storage areas on NVDIMM devices

   - Miscellaneous cleanups from Ira's investigation of
     dax_direct_access paths preparing for stray-write protection"

* tag 'libnvdimm-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  tools/testing/nvdimm: Fix missing 'fallthrough' warning
  libnvdimm/region: Fix label activation vs errors
  ACPI: NFIT: Fix support for virtual SPA ranges
  dax: Ensure errno is returned from dax_direct_access
  fs/dax: Clarify nr_pages to dax_direct_access()
  fs/fuse: Remove unneeded kaddr parameter
</pre>
</div>
</content>
</entry>
<entry>
<title>ACPI: NFIT: Fix support for virtual SPA ranges</title>
<updated>2021-08-11T18:54:33+00:00</updated>
<author>
<name>Dan Williams</name>
<email>dan.j.williams@intel.com</email>
</author>
<published>2021-08-11T18:53:37+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=b93dfa6bda4d4e88e5386490f2b277a26958f9d3'/>
<id>b93dfa6bda4d4e88e5386490f2b277a26958f9d3</id>
<content type='text'>
Fix the NFIT parsing code to treat a 0 index in a SPA Range Structure as
a special case and not match Region Mapping Structures that use 0 to
indicate that they are not mapped. Without this fix some platform BIOS
descriptions of "virtual disk" ranges do not result in the pmem driver
attaching to the range.

Details:
In addition to typical persistent memory ranges, the ACPI NFIT may also
convey "virtual" ranges. These ranges are indicated by a UUID in the SPA
Range Structure of UUID_VOLATILE_VIRTUAL_DISK, UUID_VOLATILE_VIRTUAL_CD,
UUID_PERSISTENT_VIRTUAL_DISK, or UUID_PERSISTENT_VIRTUAL_CD. The
critical difference between virtual ranges and UUID_PERSISTENT_MEMORY,
is that virtual do not support associations with Region Mapping
Structures.  For this reason the "index" value of virtual SPA Range
Structures is allowed to be 0. If a platform BIOS decides to represent
NVDIMMs with disconnected "Region Mapping Structures" (range-index ==
0), the kernel may falsely associate them with standalone ranges where
the "SPA Range Structure Index" is also zero. When this happens the
driver may falsely require labels where "virtual disks" are expected to
be label-less. I.e. "label-less" is where the namespace-range ==
region-range and the pmem driver attaches with no user action to create
a namespace.

Cc: Jacek Zloch &lt;jacek.zloch@intel.com&gt;
Cc: Lukasz Sobieraj &lt;lukasz.sobieraj@intel.com&gt;
Cc: "Lee, Chun-Yi" &lt;jlee@suse.com&gt;
Cc: &lt;stable@vger.kernel.org&gt;
Fixes: c2f32acdf848 ("acpi, nfit: treat virtual ramdisk SPA as pmem region")
Reported-by: Krzysztof Rusocki &lt;krzysztof.rusocki@intel.com&gt;
Reported-by: Damian Bassa &lt;damian.bassa@intel.com&gt;
Reviewed-by: Jeff Moyer &lt;jmoyer@redhat.com&gt;
Link: https://lore.kernel.org/r/162870796589.2521182.1240403310175570220.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams &lt;dan.j.williams@intel.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Fix the NFIT parsing code to treat a 0 index in a SPA Range Structure as
a special case and not match Region Mapping Structures that use 0 to
indicate that they are not mapped. Without this fix some platform BIOS
descriptions of "virtual disk" ranges do not result in the pmem driver
attaching to the range.

Details:
In addition to typical persistent memory ranges, the ACPI NFIT may also
convey "virtual" ranges. These ranges are indicated by a UUID in the SPA
Range Structure of UUID_VOLATILE_VIRTUAL_DISK, UUID_VOLATILE_VIRTUAL_CD,
UUID_PERSISTENT_VIRTUAL_DISK, or UUID_PERSISTENT_VIRTUAL_CD. The
critical difference between virtual ranges and UUID_PERSISTENT_MEMORY,
is that virtual do not support associations with Region Mapping
Structures.  For this reason the "index" value of virtual SPA Range
Structures is allowed to be 0. If a platform BIOS decides to represent
NVDIMMs with disconnected "Region Mapping Structures" (range-index ==
0), the kernel may falsely associate them with standalone ranges where
the "SPA Range Structure Index" is also zero. When this happens the
driver may falsely require labels where "virtual disks" are expected to
be label-less. I.e. "label-less" is where the namespace-range ==
region-range and the pmem driver attaches with no user action to create
a namespace.

Cc: Jacek Zloch &lt;jacek.zloch@intel.com&gt;
Cc: Lukasz Sobieraj &lt;lukasz.sobieraj@intel.com&gt;
Cc: "Lee, Chun-Yi" &lt;jlee@suse.com&gt;
Cc: &lt;stable@vger.kernel.org&gt;
Fixes: c2f32acdf848 ("acpi, nfit: treat virtual ramdisk SPA as pmem region")
Reported-by: Krzysztof Rusocki &lt;krzysztof.rusocki@intel.com&gt;
Reported-by: Damian Bassa &lt;damian.bassa@intel.com&gt;
Reviewed-by: Jeff Moyer &lt;jmoyer@redhat.com&gt;
Link: https://lore.kernel.org/r/162870796589.2521182.1240403310175570220.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams &lt;dan.j.williams@intel.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Revert "ACPICA: Fix memory leak caused by _CID repair function"</title>
<updated>2021-08-03T16:14:44+00:00</updated>
<author>
<name>Rafael J. Wysocki</name>
<email>rafael.j.wysocki@intel.com</email>
</author>
<published>2021-08-03T16:14:44+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=6511a8b5b7a65037340cd8ee91a377811effbc83'/>
<id>6511a8b5b7a65037340cd8ee91a377811effbc83</id>
<content type='text'>
Revert commit c27bac0314131 ("ACPICA: Fix memory leak caused by _CID
repair function") which is reported to cause a boot issue on Acer
Swift 3 (SF314-51).

Reported-by: Adrien Precigout &lt;dev@asdrip.fr&gt;
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Revert commit c27bac0314131 ("ACPICA: Fix memory leak caused by _CID
repair function") which is reported to cause a boot issue on Acer
Swift 3 (SF314-51).

Reported-by: Adrien Precigout &lt;dev@asdrip.fr&gt;
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge branches 'acpi-resources' and 'acpi-dptf'</title>
<updated>2021-07-30T18:26:38+00:00</updated>
<author>
<name>Rafael J. Wysocki</name>
<email>rafael.j.wysocki@intel.com</email>
</author>
<published>2021-07-30T18:26:38+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=e83f54eacf137de228a52c20c74e77f575684600'/>
<id>e83f54eacf137de228a52c20c74e77f575684600</id>
<content type='text'>
* acpi-resources:
  Revert "ACPI: resources: Add checks for ACPI IRQ override"

* acpi-dptf:
  ACPI: DPTF: Fix reading of attributes
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
* acpi-resources:
  Revert "ACPI: resources: Add checks for ACPI IRQ override"

* acpi-dptf:
  ACPI: DPTF: Fix reading of attributes
</pre>
</div>
</content>
</entry>
<entry>
<title>ACPI: DPTF: Fix reading of attributes</title>
<updated>2021-07-28T16:39:41+00:00</updated>
<author>
<name>Srinivas Pandruvada</name>
<email>srinivas.pandruvada@linux.intel.com</email>
</author>
<published>2021-07-27T16:18:24+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=41a8457f3f6f829be1f8f8fa7577a46b9b7223ef'/>
<id>41a8457f3f6f829be1f8f8fa7577a46b9b7223ef</id>
<content type='text'>
The current assumption that methods to read PCH FIVR attributes will
return integer, is not correct. There is no good way to return integer
as negative numbers are also valid.

These read methods return a package of integers. The first integer returns
status, which is 0 on success and any other value for failure. When the
returned status is zero, then the second integer returns the actual value.

This change fixes this issue by replacing acpi_evaluate_integer() with
acpi_evaluate_object() and use acpi_extract_package() to extract results.

Fixes: 2ce6324eadb01 ("ACPI: DPTF: Add PCH FIVR participant driver")
Signed-off-by: Srinivas Pandruvada &lt;srinivas.pandruvada@linux.intel.com&gt;
Cc: 5.10+ &lt;stable@vger.kernel.org&gt; # 5.10+
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The current assumption that methods to read PCH FIVR attributes will
return integer, is not correct. There is no good way to return integer
as negative numbers are also valid.

These read methods return a package of integers. The first integer returns
status, which is 0 on success and any other value for failure. When the
returned status is zero, then the second integer returns the actual value.

This change fixes this issue by replacing acpi_evaluate_integer() with
acpi_evaluate_object() and use acpi_extract_package() to extract results.

Fixes: 2ce6324eadb01 ("ACPI: DPTF: Add PCH FIVR participant driver")
Signed-off-by: Srinivas Pandruvada &lt;srinivas.pandruvada@linux.intel.com&gt;
Cc: 5.10+ &lt;stable@vger.kernel.org&gt; # 5.10+
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Revert "ACPI: resources: Add checks for ACPI IRQ override"</title>
<updated>2021-07-28T16:37:21+00:00</updated>
<author>
<name>Hui Wang</name>
<email>hui.wang@canonical.com</email>
</author>
<published>2021-07-28T15:19:58+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=e0eef3690dc66b3ecc6e0f1267f332403eb22bea'/>
<id>e0eef3690dc66b3ecc6e0f1267f332403eb22bea</id>
<content type='text'>
The commit 0ec4e55e9f57 ("ACPI: resources: Add checks for ACPI IRQ
override") introduces regression on some platforms, at least it makes
the UART can't get correct irq setting on two different platforms,
and it makes the kernel can't bootup on these two platforms.

This reverts commit 0ec4e55e9f571f08970ed115ec0addc691eda613.

Regression-discuss: https://bugzilla.kernel.org/show_bug.cgi?id=213031
Reported-by: PGNd &lt;pgnet.dev@gmail.com&gt;
Cc: 5.4+ &lt;stable@vger.kernel.org&gt; # 5.4+
Signed-off-by: Hui Wang &lt;hui.wang@canonical.com&gt;
Acked-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The commit 0ec4e55e9f57 ("ACPI: resources: Add checks for ACPI IRQ
override") introduces regression on some platforms, at least it makes
the UART can't get correct irq setting on two different platforms,
and it makes the kernel can't bootup on these two platforms.

This reverts commit 0ec4e55e9f571f08970ed115ec0addc691eda613.

Regression-discuss: https://bugzilla.kernel.org/show_bug.cgi?id=213031
Reported-by: PGNd &lt;pgnet.dev@gmail.com&gt;
Cc: 5.4+ &lt;stable@vger.kernel.org&gt; # 5.4+
Signed-off-by: Hui Wang &lt;hui.wang@canonical.com&gt;
Acked-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>ACPI: PM: Add support for upcoming AMD uPEP HID AMDI007</title>
<updated>2021-07-26T11:07:35+00:00</updated>
<author>
<name>Mario Limonciello</name>
<email>mario.limonciello@amd.com</email>
</author>
<published>2021-07-18T04:11:38+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=f0c6225531e4a9e43e51c5f7b02089bdd725c734'/>
<id>f0c6225531e4a9e43e51c5f7b02089bdd725c734</id>
<content type='text'>
AMD systems with uPEP HID AMDI007 should be using revision 2 and
the AMD method.

Fixes: 8fbd6c15ea0a ("ACPI: PM: Adjust behavior for field problems on AMD systems")
Signed-off-by: Mario Limonciello &lt;mario.limonciello@amd.com&gt;
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
AMD systems with uPEP HID AMDI007 should be using revision 2 and
the AMD method.

Fixes: 8fbd6c15ea0a ("ACPI: PM: Adjust behavior for field problems on AMD systems")
Signed-off-by: Mario Limonciello &lt;mario.limonciello@amd.com&gt;
Signed-off-by: Rafael J. Wysocki &lt;rafael.j.wysocki@intel.com&gt;
</pre>
</div>
</content>
</entry>
</feed>
