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Sat, 24 Oct 2026 13:48:11 -0700 (PDT) From: thesame-personal Date: Sat, 24 Oct 2026 22:48:04 +0200 Subject: [PATCH] ARM: dts: samsung: exynos4412-p4note: allow powering off the wifi card X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261024-exynos4412-p4note-brcmfmac-v1-1-3d09e496c2c7@gmail.com> X-B4-Tracking: v=1; b=H4sIAIMZ3WoC/x3MSw5AMBAA0KvIrE2iNT5xFbGgpsxCK60IEXfXW L7NeyByEI7QZQ8EPiWKdwkqz8Cso1sYZU4GXehaFZqQr9v5SKQ07uT8wTgFs9ltNFi33BhVlhV NFlKwB7Zy/Xk/vO8HJtVRYGwAAAA= X-Change-ID: 20261024-exynos4412-p4note-brcmfmac-68e7c13354bf To: Rob Herring , Conor Dooley , Alim Akhtar , Krzysztof Kozlowski , Peter Griffin Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Artem Utkin X-Mailer: b4 0.16.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261024_134814_702614_C5422700 X-CRM114-Status: UNSURE ( 8.63 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 sdhci_3 serving BCM4334 was missing cap-power-off-card. On my N8000 this resulted in the following messages after sleeping: [305.759883] PM: suspend entry (deep) [306.514698] brcmfmac: brcmf_ops_sdio_suspend: Failed to set pm_flags 1 [306.671504] brcmfmac: brcmf_sdio_htclk: HT Avail request error: -110 [307.127267] PM: suspend exit The regression was triggered by commit 8c3170628a9c ("wifi: brcmfmac: keep power during suspend if board requires it"). Midas already has a fix in commit 2ff147fdfa99 ("ARM: dts: samsung: exynos4412-midas: turn off SDIO WLAN chip during system suspend"). exynos4412-p4note.dtsi does not include exynos4412-midas.dtsi, so p4note did not automatically inherit the Midas fix. Another affected board was fixed in commit 863d69923bdb ("ARM: dts: samsung: exynos4210-i9100: turn off SDIO WLAN chip during system suspend"). Signed-off-by: Artem Utkin --- arch/arm/boot/dts/samsung/exynos4412-p4note.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/samsung/exynos4412-p4note.dtsi b/arch/arm/boot/dts/samsung/exynos4412-p4note.dtsi index 8d52aa13b8..03b514a82b 100644 --- a/arch/arm/boot/dts/samsung/exynos4412-p4note.dtsi +++ b/arch/arm/boot/dts/samsung/exynos4412-p4note.dtsi @@ -1232,6 +1232,7 @@ &sdhci_3 { #address-cells = <1>; #size-cells = <0>; non-removable; + cap-power-off-card; bus-width = <4>; mmc-pwrseq = <&wlan_pwrseq>; --- base-commit: b47faa6004d86ade16b90d24fa1e1f179e6f7230 change-id: 20261024-exynos4412-p4note-brcmfmac-68e7c13354bf Best regards, -- Artem Utkin