From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DF9A43AD881; Sat, 28 Feb 2026 17:38:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300294; cv=none; b=UU3G9UNe0nDIGB0vtmb7bRELLr8AYTRdxN/oBxv4UgZPWHerbkof5mjR/Y697+87pzxWzGnoAncbg08Y8ILxyq9+3BApdZFhcAGy5bS7IR0/Cfrwt0K3kY2bk1RlUHGoO6jBozkJxRCkVvEJiQ6JGHMlRdZiNCVTV/QWkl66yMA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300294; c=relaxed/simple; bh=MLL1IeJSDw80UpFR24o8SSn6YlKqRQGw8sYJByuFDmE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cCFTTQ01CIJEKXxpO/wOWmBTovYsGUc9GffNzh8hIL5f025LE7fCDEzm0uerJyFMhMS2yRSHpIcNMa+ePZ4V5Kxw/8pHEZA+bICMexHxkqeLsSw34r6+Z1/cMqgIt9nFsB/yG2gu8oaYYmCJBY7xJDHULouZhZ7hpcOXEELGN58= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QTQNVPHP; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QTQNVPHP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 34C8CC116D0; Sat, 28 Feb 2026 17:38:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300294; bh=MLL1IeJSDw80UpFR24o8SSn6YlKqRQGw8sYJByuFDmE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QTQNVPHPZbtfp1p0/mfXpCM+IesOnRuxxhyXVVAE35XDKLuPlVwCX7U0gRQe13mkN hEMeVs5N7NSlzf6tvh6ti3csoMdLeSoN/qJ+mN3BsNivHOnl8gbjCBFYyV4iR+cdp0 qSYO5NcOJpOvPk3vSdiIjUzSSUhfiL0GWqVomjcf9eB6xnrj/YwAcKVpUvRtDgmxcw UZsLl6WzQNEjeZzijH/za+f0swS3B6bGyHmXdavHOSiiByIGNCCWjULQqGaDy9rUak TF/E5K5fBRWZ5My/O806KNssCBSeGbH4TZWO2DOtfROhTiE3b/52HPfBKCbed1WWPo YeHwBwHpgdCZg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dian-Syuan Yang , Ping-Ke Shih , Sasha Levin Subject: [PATCH 6.19 324/844] wifi: rtw89: pci: restore LDO setting after device resume Date: Sat, 28 Feb 2026 12:23:57 -0500 Message-ID: <20260228173244.1509663-325-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Dian-Syuan Yang [ Upstream commit af1e82232b988f8fc6d635c60609765e49221a64 ] The LDO (Low Dropout Regulator) setting is missing after suspend/resume in some platforms, and it will cause card loss. Therefore, reconfigure this setting to avoid it. Signed-off-by: Dian-Syuan Yang Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/20260127085036.44060-6-pkshih@realtek.com Signed-off-by: Sasha Levin --- drivers/net/wireless/realtek/rtw89/pci.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index b8135cf15d13c..fb4469a76bc03 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -4605,6 +4605,7 @@ static int __maybe_unused rtw89_pci_resume(struct device *dev) rtw89_write32_clr(rtwdev, R_AX_PCIE_PS_CTRL_V1, B_AX_SEL_REQ_ENTR_L1); } + rtw89_pci_hci_ldo(rtwdev); rtw89_pci_l2_hci_ldo(rtwdev); rtw89_pci_basic_cfg(rtwdev, true); -- 2.51.0