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Wed, 11 Nov 2026 01:30:51 -0800 (PST) Received: from AHERLNXVDANI01.lgs-net.com ([193.8.40.126]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-498362eb14asm9175839f8f.34.2026.11.11.01.30.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Nov 2026 01:30:51 -0800 (PST) From: =?UTF-8?q?Daniel=20Via=C3=B1o?= To: intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org Cc: anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com, dima.ruinskiy@intel.com, bhelgaas@google.com, linux-pci@vger.kernel.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, linux-kernel@vger.kernel.org, =?UTF-8?q?Daniel=20Via=C3=B1o?= Subject: [PATCH iwl-net v2 2/2] igc: treat I226-LMvP as an I226 device Date: Wed, 11 Nov 2026 10:30:35 +0100 Message-ID: <20261111093035.513635-3-danividanivi@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261111093035.513635-1-danividanivi@gmail.com> References: <20261111093035.513635-1-danividanivi@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The I226-LMvP device ID (0x5503) was added by commit 8f20571db527 ("igc: Add new device ID"), but when commit b8897dc54e3b ("igc: remove I226 Qbv BaseTime restriction") introduced igc_is_device_id_i226(), it was left out. As a result I226-LMvP is currently treated as neither an I225 nor an I226 part. Add IGC_DEV_ID_I226_LMVP to igc_is_device_id_i226(). This changes the behaviour for I226-LMvP in the following places, all of which now match the other I226 parts: - igc_probe() and igc_io_slot_reset() disable ASPM L1.2, as done for I226 since commit 0325143b59c6 ("igc: disable L1.2 PCI-E link substate to avoid performance issue"). - igc_tsn_enable_offload() and igc_tsn_disable_offload() set and restore the I226-specific RETX (Qbv full) thresholds. - igc_tsn_enable_offload() handles the FutScdDis bit and the base time as on I226. Intel confirmed that the I226 TSN functionality introduced by commit b8897dc54e3b also applies to I226-LMvP. Fixes: b8897dc54e3b ("igc: remove I226 Qbv BaseTime restriction") Link: https://lore.kernel.org/all/5d45a583-198c-467d-afbe-8f19398e82f3@intel.com/ Signed-off-by: Daniel Viaño --- drivers/net/ethernet/intel/igc/igc_base.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/intel/igc/igc_base.c b/drivers/net/ethernet/intel/igc/igc_base.c index ab9120a31..6865fef40 100644 --- a/drivers/net/ethernet/intel/igc/igc_base.c +++ b/drivers/net/ethernet/intel/igc/igc_base.c @@ -447,6 +447,7 @@ bool igc_is_device_id_i226(struct igc_hw *hw) case IGC_DEV_ID_I226_V: case IGC_DEV_ID_I226_K: case IGC_DEV_ID_I226_IT: + case IGC_DEV_ID_I226_LMVP: return true; default: return false; -- 2.53.0