From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 7D15C4DDB49; Thu, 17 Sep 2026 15:59:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789660772; cv=none; b=tC6yEreMH91aQLOnM4dKli0ALr20ZEsrKI7LvFti7+Ul9/6ypiQx38wibKFw8K8VE8Gi2cfQK++nhK9xMeIlzL9l1vkO7hyjyeip7JIiVHtEJTWleGm0QQdTHDTyHf+cTKKQ38YSjwFfn8btQSLFXR0/NuClu0+Po2AfaNvJ5z8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789660772; c=relaxed/simple; bh=GlD+BDb/vo59gvtL5PqGUBZy8bJ8YSdQKEYNTKrrP0Q=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=Kna15nRr5eiAwZs78K9mkXyMxU3YvRR43nPjxA/9a+D5SVdmgs2b8JZwsYbRNlGj14hQ5UHKwjfb+RuFlIQeud5ZRfCHhRfOf3++B4M22HEV8GvrsCkVKq72O+O4Oj5spguOvK2/8lxiLoo83rktYA/LpviUuXsBY5FT4qBiNyw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VOt1Pnuv; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VOt1Pnuv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 176A61F00893; Thu, 17 Sep 2026 15:59:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789660771; bh=BcZKonsEm6iNlR2z607KW+Ej9GYIpjgHVKnzVdpC+VI=; h=Date:From:To:Cc:Subject:In-Reply-To; b=VOt1Pnuv0J5qzuS/czmoPrZ8YpgfWW/bLej1RS+9XXu3txiRsUSdsbe7m1OdNV5gK /MQk0j+5+h1hcHe6uQMCH6HujFlskKkENo9k/vZCLIobcHKtgndh0c0Rlhql0kcO58 sa8QWn67QcAeLJ5FX071zkZKGrG1FAiJu5AluIffCCebomScUSrr46rSHYRGg9OIu0 OkZudqQwsJnlrOTmYUd2ypaQqcQsqHpgKfjtrCX+x127+ynJIrc8zD8bdDLAYXUEii +gmKPPmcWrW6XXfIpA4cq0YZX8tXsjwqj+LD9tom6Ndhs6EaCf5+5jF3taEo7s4oux a2GvJXCj3TlLg== Date: Thu, 17 Sep 2026 10:59:29 -0500 From: Bjorn Helgaas To: Semih Baskan Cc: lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org, robh@kernel.org, bhelgaas@google.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, rafal@milecki.pl, zajec5@gmail.com, florian.fainelli@broadcom.com, arnd@arndb.de, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, rosenp@gmail.com, rani.hod@gmail.com Subject: Re: [PATCH] PCI: iproc: Use pci_alloc_host_bridge() on BCMA Message-ID: <20260917155929.GA1023894@bhelgaas> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Sep 17, 2026 at 08:40:00AM +0300, Semih Baskan wrote: > On Wed, Sep 16, 2026 at 03:01:10PM -0500, Bjorn Helgaas wrote: > > If bcma finds both of these devices via EROM, why do they need a > > "brcm,iproc-pcie" compatible? If we omitted that compatible, what > > would break? > > bcma does not need it. pcie-iproc-platform does. And why do we need pcie-iproc-platform, since pcie-iproc-bcma.c will claim them? Is there a requirement that pcie-iproc-platform must be able to claim the PCI host bridge if CONFIG_PCIE_IPROC_BCMA is not enabled?