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 066B8313E31 for ; Sat, 28 Feb 2026 17:52:04 +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=1772301124; cv=none; b=iX6pZgSO9Ug+839y7YU8HlJI3Jhz7y2A1gIccq7qPyI2QYDimvJ59z59Aw1FtTa6pd38nVtpyrqYEE853CmC0y4bIK+Xjc0TLXswdgSZqDBS6FfeXF0PGgKQEiiEHn+wDdrQlqzcJ8QVQe+ondolNx9mD/dfgYyUXG7QKQULRnI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301124; c=relaxed/simple; bh=90Yz9ETtEWWW3Qpkw68abLqTOi2Ea6wZqrj4jVy+bXk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mXx9CENqEjA67XVF2tXaXvirBg/FRNQU47FFrddoHdEj84S/uGwoATK1s7ioT5h1Yw646knrF3J2yUpnX9v6khDEmDSF+JPmeJhYBqk6hurVsAUtjtgj4XF6EnY6vt4fZmW/w0kjPEa3sL/qU29puNBS2yHSBn704IxxHlyQSxw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=on1zTgEH; 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="on1zTgEH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65A34C116D0; Sat, 28 Feb 2026 17:52:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301123; bh=90Yz9ETtEWWW3Qpkw68abLqTOi2Ea6wZqrj4jVy+bXk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=on1zTgEHXhPSkuU09M5nai/4fgg/j6Hsin1AhjVlP7bbbdyMlNClUYWLA8FTKiyf9 miM1lO0TCosrUC5oDvN6AhL2RYOSce8KJmTIKDIszfpYiC21+Qm4ERrYdmYqtlXoAH X8bVq5eldk6vtZS32qnJSD3R7bQVh+HXPcXp18BgKjy0Y5JEN3iqBS/T5jGaECyl2P TpaiyJGxBfpoOc84/GWPN3QMm2Y8tzl8v+ecOQOHlwXUKuqrdI3IRKTyuzQ0dLDBK/ tdSjlQ/yKlp4VrwFr0M7YfkT6Gok5ksmSyGZvkX0/fyY1VDgjJxph20BiD7L6Q65sx thmbJn8Ys5dRg== From: Sasha Levin To: patches@lists.linux.dev Cc: Dian-Syuan Yang , Ping-Ke Shih , Sasha Levin Subject: [PATCH 6.18 282/752] wifi: rtw89: pci: restore LDO setting after device resume Date: Sat, 28 Feb 2026 12:39:53 -0500 Message-ID: <20260228174750.1542406-282-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev 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 f7be5e7e0a37c..6be1849b0c4d2 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -4591,6 +4591,7 @@ 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