ACK: [SRU][O/P:linux][PATCH 0/5] Fix ARL-U/H suspend issues

[Edoardo Canepa]

On 04/06/25 18:27, Thibault Ferrante wrote:
> BugLink: https://bugs.launchpad.net/bugs/2112469
>
> [ Impact ]
>
>   * Multiple issues are noticed when validating Arrow Lake hardware after suspend.
>    - An ethernet interface cannot be up after suspend - LP: #2111232
>    - Found Network Controller configurations differences while running suspend stress tests - LP: #2110284
>    - Found DRM Device configurations differences while running suspend stress test - LP: #2110284
>
> [ Fix ]
>
> Fix has been pointed out by intel by integrating https://patchwork.kernel.org/project/linux-pm/patch/20250207225615.401235-7-xi.pardee@linux.intel.com/
>
> It has been integrated in 6.15 :
> - bd820906ea9d platform/x86/intel/pmc: Add Arrow Lake U/H support to intel_pmc_core driver
>
> 4 other commits has been picked in the way but are only refactoring and target only this specific driver.
>
> [ Test Plan ]
>
>   * Use targeted hardware to go into S3 and check for all network interfaces working.
>
> [ Where problems could occur ]
>
>   * Regression in other intel hardware suspend management.
>
> [ Other Info ]
>
>   * This is submitted for oracular even if EOL is soon as the validation/certification is currently happening on this kernel.
>
> Xi Pardee (5):
>    platform/x86/intel/pmc: Remove duplicate enum
>    platform/x86:intel/pmc: Make tgl_core_generic_init() static
>    platform/x86:intel/pmc: Create generic_core_init() for all platforms
>    platform/x86/intel/pmc: Remove simple init functions
>    platform/x86/intel/pmc: Add Arrow Lake U/H support to intel_pmc_core
>      driver
>
>   drivers/platform/x86/intel/pmc/adl.c  |  22 ++----
>   drivers/platform/x86/intel/pmc/arl.c  |  79 +++++++++++--------
>   drivers/platform/x86/intel/pmc/cnp.c  |  21 ++----
>   drivers/platform/x86/intel/pmc/core.c | 105 +++++++++++++++++++-------
>   drivers/platform/x86/intel/pmc/core.h |  46 ++++++++---
>   drivers/platform/x86/intel/pmc/icl.c  |  18 +----
>   drivers/platform/x86/intel/pmc/lnl.c  |  25 +++---
>   drivers/platform/x86/intel/pmc/mtl.c  |  45 +++--------
>   drivers/platform/x86/intel/pmc/spt.c  |  18 +----
>   drivers/platform/x86/intel/pmc/tgl.c  |  39 ++++------
>   10 files changed, 212 insertions(+), 206 deletions(-)
>
Acked-by: Edoardo Canepa <edoardo.canepa at canonical.com>
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