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 65C1D2D787; Fri, 24 Nov 2023 19:25:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="aNWHatC+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 853E0C433C8; Fri, 24 Nov 2023 19:25:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700853923; bh=Wx7qK7pN2JM9cbXjjXW/FJXqBqbbkUU9bP1DdbH7P74=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aNWHatC+aOBnvsae21EdDqYeMiOkX5A3KQpnw/CPmBpi1Y7D4n3jwjoixPqVgYQet hb4b2og2Cu5zY1zqO55j2sD8dSjLxPg5UlKiV3GjopcRqfnZ62pDsChPnlL0lYvhVG VCAI+Qkg3bJ0OKojYVZxRp658l9Z5sOKTkNzEUt0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Helge Deller Subject: [PATCH 5.4 084/159] parisc/power: Add power soft-off when running on qemu Date: Fri, 24 Nov 2023 17:55:01 +0000 Message-ID: <20231124171945.420849740@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231124171941.909624388@linuxfoundation.org> References: <20231124171941.909624388@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Helge Deller commit d0c219472980d15f5cbc5c8aec736848bda3f235 upstream. Signed-off-by: Helge Deller Cc: stable@vger.kernel.org # v6.0+ Signed-off-by: Greg Kroah-Hartman --- drivers/parisc/power.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) --- a/drivers/parisc/power.c +++ b/drivers/parisc/power.c @@ -192,6 +192,14 @@ static struct notifier_block parisc_pani .priority = INT_MAX, }; +/* qemu soft power-off function */ +static int qemu_power_off(struct sys_off_data *data) +{ + /* this turns the system off via SeaBIOS */ + *(int *)data->cb_data = 0; + pdc_soft_power_button(1); + return NOTIFY_DONE; +} static int __init power_init(void) { @@ -221,7 +229,13 @@ static int __init power_init(void) soft_power_reg); } - power_task = kthread_run(kpowerswd, (void*)soft_power_reg, KTHREAD_NAME); + power_task = NULL; + if (running_on_qemu && soft_power_reg) + register_sys_off_handler(SYS_OFF_MODE_POWER_OFF, SYS_OFF_PRIO_DEFAULT, + qemu_power_off, (void *)soft_power_reg); + else + power_task = kthread_run(kpowerswd, (void*)soft_power_reg, + KTHREAD_NAME); if (IS_ERR(power_task)) { printk(KERN_ERR DRIVER_NAME ": thread creation failed. Driver not loaded.\n"); pdc_soft_power_button(0);