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[2620:137:e000::1:20]) by mx.google.com with ESMTP id 81-20020a630154000000b0055b12581c75si5294958pgb.675.2023.08.12.14.15.40; Sat, 12 Aug 2023 14:15:53 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=CzlDSXwg; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230462AbjHLUpP (ORCPT <rfc822;274620705z@gmail.com> + 99 others); Sat, 12 Aug 2023 16:45:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48662 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230379AbjHLUpN (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Sat, 12 Aug 2023 16:45:13 -0400 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 33AE9171F; Sat, 12 Aug 2023 13:45:16 -0700 (PDT) Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 37CKiwF4020192; Sat, 12 Aug 2023 15:44:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1691873098; bh=mmTcvOmzvh1G2Zt3WeekOlPqyTFdfYlojqbxNI4oq5U=; h=From:To:CC:Subject:Date; b=CzlDSXwgexJz7dMJeUorj33WNDFdUZpajxLO/v+AifXaX1lN85lwj4NTnIoR+oSXb no2LcnwC+3jL67J4LLb/X9lj6TZG2TrFDHwmjFMYFnq7XicnfCffRX5V7QbZcf5hJl feHy9/jSL+BfxoW7sfa96O78FyA1ntLIDWvxzWDA= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 37CKiwLa030536 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Sat, 12 Aug 2023 15:44:58 -0500 Received: from DFLE108.ent.ti.com (10.64.6.29) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Sat, 12 Aug 2023 15:44:57 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Sat, 12 Aug 2023 15:44:56 -0500 Received: from localhost (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 37CKiupT081100; Sat, 12 Aug 2023 15:44:56 -0500 From: Achal Verma <a-verma1@ti.com> To: Vignesh Raghavendra <vigneshr@ti.com>, Lorenzo Pieralisi <lpieralisi@kernel.org>, Krzysztof Wilczy_ski <kw@linux.com>, Rob Herring <robh@kernel.org>, Bjorn Helgaas <bhelgaas@google.com> CC: <linux-omap@vger.kernel.org>, <linux-pci@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, Achal Verma <a-verma1@ti.com> Subject: [PATCH 0/2] Advertise ARI related capabilities. 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Advertise ARI related capabilities.
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Message
Achal Verma
Aug. 12, 2023, 8:44 p.m. UTC
This series addresses the limitation and flaw which are occurring due to ARI capability related bits not set correctly. First patch addresses the issue of PCI_EXP_DEVCAP2_ARI being not set even when J7 PCIe controller in RC mode supports ARI Forwarding. Second patch related to the issue when PCIe controller is put in end point mode, Next function field in ARI capability for last function stores current_function+1 value, which is supposed to be zero to signal that current function is the last one. Achal Verma (1): PCI: cadence: Advertise ARI Forwarding Supported Jasko-EXT Wojciech (1): PCI: cadence: Clear the ARI Capability Next Function Number of the last function drivers/pci/controller/cadence/pci-j721e.c | 4 ++++ .../pci/controller/cadence/pcie-cadence-ep.c | 14 +++++++++++++- .../pci/controller/cadence/pcie-cadence-host.c | 7 +++++++ drivers/pci/controller/cadence/pcie-cadence.h | 18 ++++++++++++++++++ 4 files changed, 42 insertions(+), 1 deletion(-)