From patchwork Mon Feb 12 14:50:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= X-Patchwork-Id: 13553381 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (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 723603BB33 for ; Mon, 12 Feb 2024 14:51:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707749486; cv=none; b=iyiPFVLAfm4i/vTJYhgYNx7srWLvNnr8nMVFPIbsKzjhgkD3ML8BimqHFtdOpulPr7nR2VO+Cye1ZdYU0FsaZfSnDUBL4ss5v3xkq7iq/NtebhhcUsPo7MIJfdR7cuAIpibOSqbMKCjUIpevpJSknBrRGD/cVRFYWW7JqzRQePc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707749486; c=relaxed/simple; bh=OiujR5lhNKhEimBkSB+EFRf6rM0jXBiQhXbfsxIV9UE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Axr3lIZZoUARrUmDPsZ8DoiUMmMIir94rlfbJJeziPBMLOZiUFQn7kyO+r8HOFWqjS+qlEuLXWaavOIG4T9K4O37UOhW5ZZR19A3HqItArnSa2/foANO+mgeK3hqBkEwelvsVouMyI5etZ6uwOhAUpxKW2MDCA0NPG8Mh7cYgHI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=u3EpcVKE; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="u3EpcVKE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1707749482; bh=OiujR5lhNKhEimBkSB+EFRf6rM0jXBiQhXbfsxIV9UE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=u3EpcVKEmcqpDIx/5waMjmUKIUIl0Boy2XqZqUi01fAXxocc0wSx+sXm6HN4uQy5/ sXZITsUKLcGkbFg5ity4LvFazzYGWMSogdiQdLFlO7+Bb0DhGbHZxNgyh/1fRQD/kZ rGjpPm8YYdNYAFPXd7seJX1G1YCVx4UYgjZuwDjVDwqsStncmt+/yMI3+DdnJA/3e2 Q13eGoqmTLdyHKgjLRdqJ+0ariP7aibUNHU2ZqdNJcEOzJwWwY54atV0+wFfmLsiHW XjRjl6RnKlhtRCTpQsQ5CV4J+t+8nGG/Nr/qZRkauyG1rdZ5OkN1PJNwR4O2sp4nJ0 6suxZhvZcRxvQ== Received: from [192.168.1.30] (zone.collabora.co.uk [167.235.23.81]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: nfraprado) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 9C5FD37810EF; Mon, 12 Feb 2024 14:51:19 +0000 (UTC) From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= Date: Mon, 12 Feb 2024 09:50:05 -0500 Subject: [PATCH v4 1/4] firmware: coreboot: Generate modalias uevent for devices Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240212-coreboot-mod-defconfig-v4-1-d14172676f6d@collabora.com> References: <20240212-coreboot-mod-defconfig-v4-0-d14172676f6d@collabora.com> In-Reply-To: <20240212-coreboot-mod-defconfig-v4-0-d14172676f6d@collabora.com> To: Tzung-Bi Shih Cc: Arnd Bergmann , Brian Norris , Julius Werner , Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Catalin Marinas , Will Deacon , AngeloGioacchino Del Regno , Andy Shevchenko , Greg Kroah-Hartman , kernel@collabora.com, chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-arm-kernel@lists.infradead.org, =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= X-Mailer: b4 0.12.4 Generate a modalias uevent for devices in the coreboot bus to allow userspace to automatically load the corresponding modules. Acked-by: Brian Norris Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Brian Norris Signed-off-by: Nícolas F. R. A. Prado --- drivers/firmware/google/coreboot_table.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c index 2a4469bf1b81..c1b9a9e8e8ed 100644 --- a/drivers/firmware/google/coreboot_table.c +++ b/drivers/firmware/google/coreboot_table.c @@ -53,11 +53,20 @@ static void coreboot_bus_remove(struct device *dev) driver->remove(device); } +static int coreboot_bus_uevent(const struct device *dev, struct kobj_uevent_env *env) +{ + struct coreboot_device *device = CB_DEV(dev); + u32 tag = device->entry.tag; + + return add_uevent_var(env, "MODALIAS=coreboot:t%08X", tag); +} + static struct bus_type coreboot_bus_type = { .name = "coreboot", .match = coreboot_bus_match, .probe = coreboot_bus_probe, .remove = coreboot_bus_remove, + .uevent = coreboot_bus_uevent, }; static void coreboot_device_release(struct device *dev)