From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.5]) (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 950C743635E; Mon, 20 Jul 2026 15:08:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.5 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784560117; cv=none; b=OOQcuL5FwCavaq4VAabpEJRNudQAGR6OrKCOMs69r2bcg0Ciz0jxKVKb8GEKNMbWjKYdTz7ZyerVQRPgrz5sQrlT17OWJtw7eZK2xHTuKvSH8EEtcJzcPEZFvAbSacoRdlmb6Soksj5sVIha64Tfad6Th6zVfq3XVKHeWTV93Sg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784560117; c=relaxed/simple; bh=KFNywJY77A37y9C7nyuYTxEOSJ8mD3bMQuXrniAKLF0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=pLW313R7ws83bxPsOmcECA1Op3M29H3H/Pr7qF+MgFsyeQl9exa+d9R6Own7c+dpPDPhI9bl+oZXn6mm5G3EI7qvYq0qa8a4Jm2i9J2rCBCkmpg1mJsXn25J6kvP4WXK3v7gOc7a6K10tMzDkzuUYgFnMna5jwoww0T8flGm13E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=T05Ujlka; arc=none smtp.client-ip=220.197.31.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="T05Ujlka" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=Ff B7GrmVp8WAki9+UnmVSGGvKtwSZ9GLa+Vb7MYQ6is=; b=T05UjlkaldoQa5YO1i pYWOXA+5sHjoD1Znr8vTiWAk3LqecPXJQt2ysiuoKU09Ur5AmUhmWEXNBJxkoq2y oKSNHkoYPQvONVjblDNCVPpvZJO0k52szKh6MijJ7Ps8HK9TcOOGPx0R8mcmAhCU XRJCZO3IGNeWr/eQtCx1y2HFM= Received: from zhb.. (unknown []) by gzga-smtp-mtada-g1-1 (Coremail) with SMTP id _____wD3b1rIOV5qyHOjKQ--.35310S2; Mon, 20 Jul 2026 23:07:54 +0800 (CST) From: Hans Zhang <18255117159@163.com> To: bhelgaas@google.com, lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org, jingoohan1@gmail.com Cc: imx@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-amlogic@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-arm-msm@vger.kernel.org, sophgo@lists.linux.dev, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-tegra@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Hans Zhang <18255117159@163.com> Subject: [PATCH v3 08/16] PCI: dwc: fu740: Use cached PCIe capability offset Date: Mon, 20 Jul 2026 23:06:11 +0800 Message-Id: <20260720150619.24733-9-18255117159@163.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260720150619.24733-1-18255117159@163.com> References: <20260720150619.24733-1-18255117159@163.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wD3b1rIOV5qyHOjKQ--.35310S2 X-Coremail-Antispam: 1Uf129KBjvdXoW7Xw1UXr4rWw1rCr47Xr13urg_yoWDArbE9a 4UGFs7ArWUKryFy3W2k3yfJF97Za47WF1UKa1rtFW3ZF97Xw18Wr9FqFyDJF48W34DXF1x JF4qvF40ka9rAjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRt7KIPUUUUU== X-CM-SenderInfo: rpryjkyvrrlimvzbiqqrwthudrp/xtbC6wuyVmpeOctvPAAA3R This callback is invoked after dw_pcie_host_init() has cached the offset, so we can use pci->pcie_cap directly. Signed-off-by: Hans Zhang <18255117159@163.com> --- In pcie-fu740, the call chain is: static const struct dw_pcie_ops dw_pcie_ops = { .start_link = fu740_pcie_start_link, }; fu740_pcie_start_link() -> dw_pcie_find_capability() --- drivers/pci/controller/dwc/pcie-fu740.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pcie-fu740.c b/drivers/pci/controller/dwc/pcie-fu740.c index d0a34f680397..72c0a6316fff 100644 --- a/drivers/pci/controller/dwc/pcie-fu740.c +++ b/drivers/pci/controller/dwc/pcie-fu740.c @@ -178,7 +178,7 @@ static int fu740_pcie_start_link(struct dw_pcie *pci) { struct device *dev = pci->dev; struct fu740_pcie *afp = dev_get_drvdata(dev); - u8 cap_exp = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP); + u8 cap_exp = pci->pcie_cap; int ret; u32 orig, tmp; -- 2.34.1