From patchwork Tue Mar 25 10:26:00 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 14028291 X-Patchwork-Delegate: kw@linux.com Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 77460254857; Tue, 25 Mar 2025 10:26:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742898395; cv=none; b=izCH4nS8zyaKr29ipfpjU//rpz1n2wR3JY/6Hv4uptJaxcw93Hivmj8K5a3LeKqymK/mrhlRYi/zD7RFbIXVeqw1iDJiw1wIFTgeHKWC4r9GpOOlVr2mBmOsV2UZeF9amrqkMfZ5fxfCxeNg2eNa1Ce9JAOOyir6R4xgzzeDfvI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742898395; c=relaxed/simple; bh=khvmda81Vor6ELCVCuRt/OG1eU4tA4ZfEAJHXcgitdM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=mu/XNQkv01il3ODShDagfjxcBeXM19qJ2a+wdBlAl0ZANlLzeKUAAdSnmd9n0kapkMiNensPGcd2XEvVrGGYcPyawPLCPi+OzSh1qI9nnjYMLLwrLZoEml5cFu+nX9WWfNLWPCZ8CW/xMeAe/fuANGLOuhlS4Raa187ZWWEktKg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=E/vhHGya; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="E/vhHGya" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E690DC4CEE8; Tue, 25 Mar 2025 10:26:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742898395; bh=khvmda81Vor6ELCVCuRt/OG1eU4tA4ZfEAJHXcgitdM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E/vhHGyaqwh1rnTLsKJxY99Gn6mvVieJtZJMPvBvbzGB5tcM2b3c614iEVhoyzIRo WlM3lrXldAiHAp1xIloJZ1ZRtwpSO3YTobH0W2lscNBjfAq/vvQibiEoa6E1pnvIeZ rJGIZR61JW7RR/USAyDJZ4aqzA9RKwt7w9d25sqQxPudlg2i39K4TKLryf0X/YZJNr yb9aedZCw11ax+G3UybagMzZLIpQqaWRA/kPr47grZQxmqVMQMs/qGBR8D/B05+yb4 y3PwXAL55i2v5HCHF2qg9vcgW6rdXIY4Xb/+biAjnpuN7/eHhOPalEi6n5uvvcO/IL w5z9u+u8eMzZQ== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1tx1UO-00GsRS-Rw; Tue, 25 Mar 2025 10:26:32 +0000 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, asahi@lists.linux.dev Cc: Alyssa Rosenzweig , Janne Grunau , Hector Martin , Sven Peter , Bjorn Helgaas , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski Subject: [PATCH v2 03/13] PCI: ecam: Allow cfg->priv to be pre-populated from the root port device Date: Tue, 25 Mar 2025 10:26:00 +0000 Message-Id: <20250325102610.2073863-4-maz@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20250325102610.2073863-1-maz@kernel.org> References: <20250325102610.2073863-1-maz@kernel.org> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, asahi@lists.linux.dev, alyssa@rosenzweig.io, j@jannau.net, marcan@marcan.st, sven@svenpeter.dev, bhelgaas@google.com, lpieralisi@kernel.org, kw@linux.com, manivannan.sadhasivam@linaro.org, robh@kernel.org, krzk+dt@kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false In order to decouple ecam config space creation from probing via pci_host_common_probe(), allow the private pointer to be populated via the device drvdata pointer. Crucially, this is set before calling ops->init(), allowing that particular callback to have access to probe data. This should have no impact on existing code which ignores the current value of cfg->priv. Signed-off-by: Marc Zyngier --- drivers/pci/ecam.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/ecam.c b/drivers/pci/ecam.c index 260b7de2dbd57..2c5e6446e00ee 100644 --- a/drivers/pci/ecam.c +++ b/drivers/pci/ecam.c @@ -84,6 +84,8 @@ struct pci_config_window *pci_ecam_create(struct device *dev, goto err_exit_iomap; } + cfg->priv = dev_get_drvdata(dev); + if (ops->init) { err = ops->init(cfg); if (err)