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[46.91.239.54]) by smtp.gmail.com with ESMTPSA id j190sm2404085wmb.19.2019.05.03.04.07.33 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 03 May 2019 04:07:33 -0700 (PDT) Date: Fri, 3 May 2019 13:07:32 +0200 From: Thierry Reding To: Vidya Sagar Subject: Re: [PATCH V5 03/16] PCI: Export pcie_bus_config symbol Message-ID: <20190503110732.GC32400@ulmo> References: <20190424052004.6270-1-vidyas@nvidia.com> <20190424052004.6270-4-vidyas@nvidia.com> MIME-Version: 1.0 In-Reply-To: <20190424052004.6270-4-vidyas@nvidia.com> User-Agent: Mutt/1.11.4 (2019-03-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190503_040736_385010_FC9B6EB9 X-CRM114-Status: GOOD ( 17.36 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, lorenzo.pieralisi@arm.com, mperttunen@nvidia.com, mmaddireddy@nvidia.com, linux-pci@vger.kernel.org, catalin.marinas@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, kthota@nvidia.com, kishon@ti.com, linux-tegra@vger.kernel.org, robh+dt@kernel.org, gustavo.pimentel@synopsys.com, jingoohan1@gmail.com, bhelgaas@google.com, jonathanh@nvidia.com, linux-arm-kernel@lists.infradead.org, sagar.tv@gmail.com Content-Type: multipart/mixed; boundary="===============1289226113309427538==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1289226113309427538== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="R+My9LyyhiUvIEro" Content-Disposition: inline --R+My9LyyhiUvIEro Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Apr 24, 2019 at 10:49:51AM +0530, Vidya Sagar wrote: > Export pcie_bus_config to enable host controller drivers setting it to a > specific configuration be able to build as loadable modules >=20 > Signed-off-by: Vidya Sagar > --- > Changes since [v4]: > * None >=20 > Changes since [v3]: > * None >=20 > Changes since [v2]: > * None >=20 > Changes since [v1]: > * This is a new patch in v2 series >=20 > drivers/pci/pci.c | 1 + > 1 file changed, 1 insertion(+) It doesn't look to me like this is something that host controller drivers are supposed to change. This is set via the pci kernel command- line parameter, meaning it's a way of tuning the system configuration. Drivers should not be allowed to override this after the fact. Why do we need to set this? Thierry > diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c > index f5ff01dc4b13..731f78508601 100644 > --- a/drivers/pci/pci.c > +++ b/drivers/pci/pci.c > @@ -94,6 +94,7 @@ unsigned long pci_hotplug_mem_size =3D DEFAULT_HOTPLUG_= MEM_SIZE; > unsigned long pci_hotplug_bus_size =3D DEFAULT_HOTPLUG_BUS_SIZE; > =20 > enum pcie_bus_config_types pcie_bus_config =3D PCIE_BUS_DEFAULT; > +EXPORT_SYMBOL_GPL(pcie_bus_config); > =20 > /* > * The default CLS is used if arch didn't set CLS explicitly and not > --=20 > 2.17.1 >=20 --R+My9LyyhiUvIEro Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAlzMIPQACgkQ3SOs138+ s6GSnA/9HdsbQNxtdYHMx36I9O7XPCiJpWTqbqCG5v80y6wwm85gZ7gKZ3tnpqoG AVff+CvhQQwIIW7t5OxkdDNvNz/65YPCYRngILQIIgQbXppF/tMu3YMQVPWGNY6R LuV8/SkicRqGoyYvEhNY8oxObL191X964tV6roAy2zaPCk4FuNCqJPlRPpu7fXlG u9H5zlpi/gVtvZNyJyOJLb/zG9cXIaO4lJCN43thTSD/vVCtytgvQRNWHWT9r7lR wqy5o69fRtUXowCRNjlVR/nYJfguU1Eh+9YVr8l0Hen9XgKyNv6ebrzWSeZx76nS xTj3bgbOrGm4yWM4EbQZNiGzM1d1+Ggz08osM7n6dqymSMP1zjAHAvb/S+7AulfC J2b9VwKf/VnRzdU5fkbQEHtPsoOAwA7t70z5qwukraNLVgE7BO0R4A+Wca1kRRJ+ 2NMhLmTFJJoR42ZI80UGH6KjixdU7p8cAup1ftb6YqxAWxIthSjb+xhka9s0cPV0 /XcAjoNMXXV9LRk/VoiuNhPMNs17u19NwVZ4O4f/l6qiSvI4BsjMs5B/70UXJgET aAw4RI207uObGTDCKFKEXNVKf3WPwjiCRBv8X06OfKReDdnPobVETv4boTZFfreZ WNKJYDqWndqUkSMR46sxPEUnfXNr+he7XCyzGLhOs3lAxGEsdPE= =F/Ew -----END PGP SIGNATURE----- --R+My9LyyhiUvIEro-- --===============1289226113309427538== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============1289226113309427538==--