From nobody Wed Feb 11 03:48:40 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 073C3CD8CA7 for ; Tue, 10 Oct 2023 15:59:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233683AbjJJP7m (ORCPT ); Tue, 10 Oct 2023 11:59:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233597AbjJJP7h (ORCPT ); Tue, 10 Oct 2023 11:59:37 -0400 Received: from mail-il1-x131.google.com (mail-il1-x131.google.com [IPv6:2607:f8b0:4864:20::131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CAF5BAF for ; Tue, 10 Oct 2023 08:59:34 -0700 (PDT) Received: by mail-il1-x131.google.com with SMTP id e9e14a558f8ab-35135f69de2so19711805ab.2 for ; Tue, 10 Oct 2023 08:59:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1696953574; x=1697558374; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=3XHRCY63hQtzpYUIBv5+mXIDtPmwcujXauM/JNVB8nw=; b=SDf7MCmQAEga71pshauObsxutTVz/eEpcgeWbSTX4ZcfhwDPBsfKPGDQYgjFXkDfhX A6mjI6wRkp1LfpNm2GTezfYQ7F967XhMFaK+8fCUN6rStRmb3QgtMjqBpp7RaqMeOMHy qY5sw2cfcHX+kLGtCU0SSw6kP+CD9GVwub+cMkoU5tGd2+4gRaI0KcetpEgTzh05RcH5 7y39wsrrbEUr3WLU6fZ0wAu0psYY0hKw6xw1quZPVQeQlE7G+uD0nrLj/J6YvXEZM73W BkGpqw6haT22QcjsKOh0exh0caENmVwW3UGHHEUdbo3rFK+teUEKX95nzZAU3QGM1jDo lnvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696953574; x=1697558374; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3XHRCY63hQtzpYUIBv5+mXIDtPmwcujXauM/JNVB8nw=; b=nIM3/cmLfBkJ7HawPL9FMx793wTHusouW8u5kaFcQZG1GzRXyjqBN5dDh7MeUd2Brn oQozrTHFjvR/6wuS8OUSrJNjc5tWfPOxIchPiqO5WD/azBI28JUWcLG0nQWJ68n4uHSN M4PNnEOdciuf45uiCC0lvDkrmk311CP0lhVWLyXD8eSYhUvU7IaGFj2skQ568JjMHuZc FU5zlHC1fyOUz//6frEbN9NvOwVSt2swzpfrAo+b28o5vXVrZoE8eXNMGAqE11ZpTjDE c7trJlYit9UxsR61A0sSCwWtiCxnfiFfDjVnJ3DyNHg5vlk5TDYLSzBpivSp2jxSu68x 0b/w== X-Gm-Message-State: AOJu0YweQ+yCBREttYXAJLj6l/2l2D743/ZJupcG5mOxhus6tP7v/TDD u/VBTC4CpJkwG3Nu0y34nrUu X-Google-Smtp-Source: AGHT+IGk6lhfteareySKoKmtG0TR3ZpRvS2BBgEg1dkurU1opNq04IT4XZ1Vl0Lw4Y6MvCuF22L94A== X-Received: by 2002:a05:6e02:ecc:b0:34f:c9b4:5f9c with SMTP id i12-20020a056e020ecc00b0034fc9b45f9cmr16813737ilk.31.1696953574071; Tue, 10 Oct 2023 08:59:34 -0700 (PDT) Received: from localhost.localdomain ([117.217.182.234]) by smtp.gmail.com with ESMTPSA id c24-20020a637258000000b0055c178a8df1sm6537023pgn.94.2023.10.10.08.59.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Oct 2023 08:59:33 -0700 (PDT) From: Manivannan Sadhasivam To: lpieralisi@kernel.org, kw@linux.com, bhelgaas@google.com Cc: robh@kernel.org, gustavo.pimentel@synopsys.com, jingoohan1@gmail.com, andersson@kernel.org, konrad.dybcio@linaro.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Manivannan Sadhasivam Subject: [PATCH v2 1/2] PCI: dwc: Add host_post_init() callback Date: Tue, 10 Oct 2023 21:29:13 +0530 Message-Id: <20231010155914.9516-2-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231010155914.9516-1-manivannan.sadhasivam@linaro.org> References: <20231010155914.9516-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This callback can be used by the platform drivers to do configuration once all the devices are scanned. Like changing LNKCTL of all downstream devices to enable ASPM etc... Signed-off-by: Manivannan Sadhasivam --- drivers/pci/controller/dwc/pcie-designware-host.c | 3 +++ drivers/pci/controller/dwc/pcie-designware.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pc= i/controller/dwc/pcie-designware-host.c index a7170fd0e847..7991f0e179b2 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -502,6 +502,9 @@ int dw_pcie_host_init(struct dw_pcie_rp *pp) if (ret) goto err_stop_link; =20 + if (pp->ops->host_post_init) + pp->ops->host_post_init(pp); + return 0; =20 err_stop_link: diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/con= troller/dwc/pcie-designware.h index ef0b2efa9f93..efb4d4754fc8 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -301,6 +301,7 @@ enum dw_pcie_ltssm { struct dw_pcie_host_ops { int (*host_init)(struct dw_pcie_rp *pp); void (*host_deinit)(struct dw_pcie_rp *pp); + void (*host_post_init)(struct dw_pcie_rp *pp); int (*msi_host_init)(struct dw_pcie_rp *pp); void (*pme_turn_off)(struct dw_pcie_rp *pp); }; --=20 2.25.1