From patchwork Tue Jun 4 10:10:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 10974555 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7D8F713AD for ; Tue, 4 Jun 2019 10:09:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 69BAE287D1 for ; Tue, 4 Jun 2019 10:09:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5E331287E5; Tue, 4 Jun 2019 10:09:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C983E287D1 for ; Tue, 4 Jun 2019 10:09:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=Q7V9G4FWX6HUoPwrQCC+3WECB/mlinBCr5KIsBBXRIk=; b=dR+HX0nEnM8Tvn 6Hu46CHEUEOp4FxTI89gkfFfO9Ru4QW/R4NIXyupt40w0dM7a0FiLchu2N3tmB/VZffRdU4aGixtc GV9YhsAryS6gL3/yIKdRKE/5VwjV1L6dSgbE78Pc4yFDJyY3b/hiLfnEOgO2OhxJpEirVHESIzQl7 sga1HwzEYxmblaLEieF8zHDpTpMQwCp/I2R1afgfH7oz2NbQWZGmMgGpiPu3IFpUGFI5Jm+lfAWLR iP5xeOX+nqNDLxVXPA3ARnUuh9r/FBalp/xOIFNBhN69VqVdzhTK/LLg2sqOLVBn8y/Rp5j6r01o/ FgKU4oBaXxCOxsRKE/bg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hY6O3-0003yT-C1; Tue, 04 Jun 2019 10:09:47 +0000 Received: from lelv0143.ext.ti.com ([198.47.23.248]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hY6Nz-0003y0-Rx for linux-arm-kernel@lists.infradead.org; Tue, 04 Jun 2019 10:09:45 +0000 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id x54A9a2B046507; Tue, 4 Jun 2019 05:09:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1559642976; bh=hThjUgWOxleYEOEEW+P/ldWpXlE+EqdHjM7J9AuJMlk=; h=From:To:CC:Subject:Date; b=VyiBLcVjjuEm8peO+DwdeeKfTAXQ7f4Dt4W8m2dTA9meyxP6uEvbXbvtAETu9BqlE 8J5u7TkV4S5z5xhzehy5fWNRv3uA2BE1AOmmqmFJBO83M843Uu3DmjZQ6n9dh1XIAs d0zOljms/6vpXsnto13ir8mU1Jh2AQwkSu4kTlyU= Received: from DLEE100.ent.ti.com (dlee100.ent.ti.com [157.170.170.30]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x54A9a3e094878 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 4 Jun 2019 05:09:36 -0500 Received: from DLEE106.ent.ti.com (157.170.170.36) by DLEE100.ent.ti.com (157.170.170.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Tue, 4 Jun 2019 05:09:35 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE106.ent.ti.com (157.170.170.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Tue, 4 Jun 2019 05:09:35 -0500 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id x54A9X49114392; Tue, 4 Jun 2019 05:09:33 -0500 From: Peter Ujfalusi To: , , Subject: [PATCH] firmware: ti_sci: Parse all resource ranges even if some is not available Date: Tue, 4 Jun 2019 13:10:00 +0300 Message-ID: <20190604101000.6741-1-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190604_030944_029526_D475429C X-CRM114-Status: GOOD ( 13.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lokeshvutla@ti.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Do not fail if any of the requested subtypes are not availabe, but set the number of resources to 0 and continue parsing the resource ranges. Signed-off-by: Peter Ujfalusi Reviewed-by: Lokesh Vutla --- drivers/firmware/ti_sci.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index af3ebcdeab18..5d13ed724ff0 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -2783,6 +2783,7 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, struct ti_sci_resource *res; u32 resource_subtype; int i, ret; + bool valid_set = false; res = devm_kzalloc(dev, sizeof(*res), GFP_KERNEL); if (!res) @@ -2813,13 +2814,16 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, if (ret) { dev_err(dev, "dev = %d subtype %d not allocated for this host\n", dev_id, resource_subtype); - return ERR_PTR(ret); + res->desc[i].start = 0; + res->desc[i].num = 0; + continue; } dev_dbg(dev, "dev = %d, subtype = %d, start = %d, num = %d\n", dev_id, resource_subtype, res->desc[i].start, res->desc[i].num); + valid_set = true; res->desc[i].res_map = devm_kzalloc(dev, BITS_TO_LONGS(res->desc[i].num) * sizeof(*res->desc[i].res_map), GFP_KERNEL); @@ -2828,7 +2832,10 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, } raw_spin_lock_init(&res->lock); - return res; + if (valid_set) + return res; + + return ERR_PTR(-EINVAL); } static int tisci_reboot_handler(struct notifier_block *nb, unsigned long mode,