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Sameer Pujar c8e3bcc6db arm64: tegra: Add power-domain for Tegra210 HDA 
commit 1e0ca54674 upstream.

HDA initialization is failing occasionally on Tegra210 and following
print is observed in the boot log. Because of this probe() fails and
no sound card is registered.

  [16.800802] tegra-hda 70030000.hda: no codecs found!

Codecs request a state change and enumeration by the controller. In
failure cases this does not seem to happen as STATETS register reads 0.

The problem seems to be related to the HDA codec dependency on SOR
power domain. If it is gated during HDA probe then the failure is
observed. Building Tegra HDA driver into kernel image avoids this
failure but does not completely address the dependency part. Fix this
problem by adding 'power-domains' DT property for Tegra210 HDA. Note
that Tegra186 and Tegra194 HDA do this already.

Fixes: 742af7e7a0 ("arm64: tegra: Add Tegra210 support")
Depends-on: 96d1f078ff ("arm64: tegra: Add SOR power-domain for Tegra210")
Cc: <stable@vger.kernel.org>
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-02-26 10:10:27 +01:00
arch arm64: tegra: Add power-domain for Tegra210 HDA 2021-02-26 10:10:27 +01:00
block bfq-iosched: Revert "bfq: Fix computation of shallow depth" 2021-02-17 10:35:16 +01:00
certs PKCS#7: Refactor verify_pkcs7_signature() 2019-08-05 18:40:18 -04:00
crypto crypto: asym_tpm: correct zero out potential secrets 2021-01-12 20:16:17 +01:00
Documentation KVM: Forbid the use of tagged userspace addresses for memslots 2021-02-03 23:25:57 +01:00
drivers usb: quirks: add quirk to start video capture on ELMO L-12F document camera reliable 2021-02-26 10:10:27 +01:00
fs ntfs: check for valid standard information attribute 2021-02-26 10:10:27 +01:00
include Xen/gntdev: correct error checking in gntdev_map_grant_pages() 2021-02-23 15:02:26 +01:00
init fgraph: Initialize tracing_graph_pause at task creation 2021-02-10 09:25:29 +01:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:20:16 +02:00
kernel bpf: Fix truncation handling for mod32 dst reg wrt zero 2021-02-26 10:10:26 +01:00
lib udp: fix skb_copy_and_csum_datagram with odd segment sizes 2021-02-17 10:35:19 +01:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
mm mm: thp: fix MADV_REMOVE deadlock on shmem THP 2021-02-10 09:25:31 +01:00
net net: bridge: Fix a warning when del bridge sysfs 2021-02-23 15:02:25 +01:00
samples samples: bpf: Fix lwt_len_hist reusing previous BPF map 2020-12-30 11:51:12 +01:00
scripts vmlinux.lds.h: Create section for protection against instrumentation 2021-02-17 10:35:16 +01:00
security cap: fix conversions on getxattr 2021-02-17 10:35:15 +01:00
sound ASoC: ak4458: correct reset polarity 2021-02-13 13:52:55 +01:00
tools selftests: txtimestamp: fix compilation issue 2021-02-17 10:35:17 +01:00
usr initramfs: restore default compression behavior 2020-04-08 09:08:38 +02:00
virt KVM: Forbid the use of tagged userspace addresses for memslots 2021-02-03 23:25:57 +01:00
.clang-format clang-format: Update with the latest for_each macro list 2019-08-31 10:00:51 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes
.gitignore Modules updates for v5.4 2019-09-22 10:34:46 -07:00
.mailmap ARM: SoC fixes 2019-11-10 13:41:59 -08:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer 2019-10-10 08:12:51 -07:00
Kbuild kbuild: do not descend to ./Kbuild when cleaning 2019-08-21 21:03:58 +09:00
Kconfig docs: kbuild: convert docs to ReST and rename to *.rst 2019-06-14 14:21:21 -06:00
MAINTAINERS Documentation/llvm: add documentation on building w/ Clang/LLVM 2020-08-26 10:40:46 +02:00
Makefile Linux 5.4.100 2021-02-23 15:02:26 +01:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.