From patchwork Thu Jan 11 15:11:46 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: 13517520 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 AA4754CB3C for ; Thu, 11 Jan 2024 15:14:43 +0000 (UTC) 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="OPbNb62l" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1704986082; bh=Eo8gKt5JYCXR+AsI/6kbMVWmmQfxzbA30c+2Y+wtasI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OPbNb62lsPmHpn+uJjiQTn32fEbP2pUl6LEOUIj9oVJDYpu4q8a9mIICL2fmSmALk l0pjWEowxCQHL6O8TcfCS35h93qxxkljzl1oqUiuqKu+l7UjjH+/HPhxlp2aV5b8eI ge+3+VLDBvZP3UVEgwxvXYf4CIHM6bqxjKeuJZWBa8xaCC27nYMgLxnVqx3qaNO2mP oCm0d4D8G3d4mYonBDfdhv5on+J1lwjzHQr8wh2vJWA5TjzumbhJpbM7cr++uF38Xj ywKX4t7m7XtddBgcpojViv0XaovXjDeVArpi/vZd7Hu+WgkAiuonpb1rhqQuRFflRq eKtov3UjpgOfw== Received: from localhost.localdomain (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 4AC063781F80; Thu, 11 Jan 2024 15:14:39 +0000 (UTC) From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= To: Tzung-Bi Shih Cc: kernel@collabora.com, AngeloGioacchino Del Regno , =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Brian Norris , Julius Werner , chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 1/4] firmware: coreboot: Generate modalias uevent for devices Date: Thu, 11 Jan 2024 12:11:46 -0300 Message-ID: <20240111151226.842603-2-nfraprado@collabora.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240111151226.842603-1-nfraprado@collabora.com> References: <20240111151226.842603-1-nfraprado@collabora.com> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Generate a modalias uevent for devices in the coreboot bus to allow userspace to automatically load the corresponding modules. Signed-off-by: Nícolas F. R. A. Prado Acked-by: Brian Norris --- 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) From patchwork Thu Jan 11 15:11:48 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: 13517521 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 8600B4F217 for ; Thu, 11 Jan 2024 15:14:52 +0000 (UTC) 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="VFxLYHDq" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1704986091; bh=CHvr4PScujipymb+OTlox6s6i63JQHd4PBTYty5wiek=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VFxLYHDq8htIlCQPt2uLpfyJxCn40rH/SW4OZM4tonLsrFfzfgA/l85xIRUD9OfQp eJwDTAP0JAxdSIhq7CbAL4lQQURW9WCvW75P9434gUTV1NVDwBzsMmkk8NkKSWlsPC HOuB03bhDe7rdLPT4C1kc0oMCAcZuCKkoQMZpU+7yAPeEkODkdRb5tbP6cnbRun/Oy e65p1QuPFCjkh7pOWWeBCCqmf9Mv+Y+WoCtZ2FcXKX8C4SQjaKIEvOKwUY9nTqUBWK gjmmTRX+JXaSwFsAp7SH3T/fTFh6JOcDfQtT06IngFPgMsGoZcOmuokelAC8sxGSW8 NN1iuq9uehaSw== Received: from localhost.localdomain (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 4A7113781F80; Thu, 11 Jan 2024 15:14:47 +0000 (UTC) From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= To: Tzung-Bi Shih Cc: kernel@collabora.com, AngeloGioacchino Del Regno , =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Brian Norris , Julius Werner , chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 3/4] firmware: google: cbmem: Add to module device table Date: Thu, 11 Jan 2024 12:11:48 -0300 Message-ID: <20240111151226.842603-4-nfraprado@collabora.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240111151226.842603-1-nfraprado@collabora.com> References: <20240111151226.842603-1-nfraprado@collabora.com> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Create an id table and add it to the module device table to allow the cbmem driver to be automatically loaded when a matching device is found. Signed-off-by: Nícolas F. R. A. Prado Acked-by: Brian Norris --- drivers/firmware/google/cbmem.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/firmware/google/cbmem.c b/drivers/firmware/google/cbmem.c index 88e587ba1e0d..ceb89b4cdbe0 100644 --- a/drivers/firmware/google/cbmem.c +++ b/drivers/firmware/google/cbmem.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -114,6 +115,12 @@ static int cbmem_entry_probe(struct coreboot_device *dev) return 0; } +static const struct coreboot_device_id cbmem_ids[] = { + { .tag = LB_TAG_CBMEM_ENTRY }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(coreboot, cbmem_ids); + static struct coreboot_driver cbmem_entry_driver = { .probe = cbmem_entry_probe, .drv = {