From patchwork Wed Jan 17 19:03:22 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: 13522112 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 6B65224A19 for ; Wed, 17 Jan 2024 19:05:54 +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=1705518356; cv=none; b=qBBFgcxK5KaO4ji6NHG+tgT09Hdv1ImDSSiL6JXBFA08rl3obpTyh7llV9Rjzc4pZX4+SOFp2ck26CFPdyen1jmZEgCyBM2rC5+n8Rke/JPr74DLM+0fHePlizRnx+Txux4toNAOUyqDtS990DqwQBPOr4i66nmvYUl9oc7y2/c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705518356; c=relaxed/simple; bh=+oH4EJn5sUeFLh47JfQVauFBQi5fBhiUE512d5N7kvA=; h=DKIM-Signature:Received:From:Date:Subject:MIME-Version: Content-Type:Content-Transfer-Encoding:Message-Id:References: In-Reply-To:To:Cc:X-Mailer; b=g6GW351Yorq0OywdMoI/ZXb+jgSK+EmfYNXfs5J6glhphw4fv/IMU2ULUQQ0NQQQxf6t063RgKmchy6mTKGJeYeERqj/s38ZI4HrWUST8uZ0KoFo+JAWYBfKxsrf3udj5f9CfeVNRGFlpYRBL/J/9l7KWfOyOo6gugNVdrMDPZA= 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=3mnn8/Xz; 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="3mnn8/Xz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1705518352; bh=+oH4EJn5sUeFLh47JfQVauFBQi5fBhiUE512d5N7kvA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=3mnn8/XzjgRV1yrJ/b0Bpm/qJbxf1HJflc3HSRevLRGcD9H1U+Ce3fwTb+l8Zkrmh 5NuxGp1EfTM/lzvqF+GqpNEuINU5oIotPcGQeBygv86q6ra+vwW3hCEyp+lU3OEiW3 pa2Kph7RhoRy7rAJ2dePc1+8MI8Fkqi+ge0nqRdLqMjDWGv5UViLhTgmxvcLkL7wKV lqwywWw1tFai/KHSQqVsq0bARuIqLDtPI8YpQSRSiv0zTZXMRJNsPlumyCMLoEViTR l786E/N96/lOKdR/os3q9AD58zgFDOMI2TvsGtytN9kFu/ZFCmLsXvJgc70YnVYGIo ZXP4l9e61jYfA== Received: from [192.168.0.47] (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 AE9B73782033; Wed, 17 Jan 2024 19:05:47 +0000 (UTC) From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= Date: Wed, 17 Jan 2024 16:03:22 -0300 Subject: [PATCH v3 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: <20240117-coreboot-mod-defconfig-v3-1-049565a27bba@collabora.com> References: <20240117-coreboot-mod-defconfig-v3-0-049565a27bba@collabora.com> In-Reply-To: <20240117-coreboot-mod-defconfig-v3-0-049565a27bba@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 , 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 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)