linux-kernel - Re: [PATCH] PCI: mediatek: change to use the new host bridge interface

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Message-ID: <20170627232057.GK17844@bhelgaas-glaptop.roam.corp.google.com>
Date:   Tue, 27 Jun 2017 18:20:57 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Ryder Lee <ryder.lee@...iatek.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI: mediatek: change to use the new host bridge
 interface

On Tue, Jun 27, 2017 at 05:30:40PM -0500, Bjorn Helgaas wrote:
> On Tue, Jun 27, 2017 at 05:24:11PM +0800, Ryder Lee wrote:
> > With the introduction of pci_scan_root_bus_bridge() there is no need to
> > export pci_register_host_bridge() to other kernel subsystems other than the
> > PCI compilation unit that needs it.
> > 
> > Make pci_register_host_bridge() static to its compilation unit and convert
> > the existing drivers usage over to pci_scan_root_bus_bridge().
> > 
> > Also, when probing the PCI host controller driver, if an error occurs, the probe
> > function code does not free memory allocated for the struct pci_host_bridge
> > resulting in memory leakage.
> > 
> > This patch fixes them by using the methods that introduces by Lorenzo.
> > 
> > Signed-off-by: Ryder Lee <ryder.lee@...iatek.com>
> 
> I rebased my pci/host-mediatek branch on top of pci/enumeration (which
> contains the series from Lorenzo), and folded this into the initial
> MediaTek driver commit.
> 
> This branch:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/commit/?h=pci/host-mediatek&id=b6ca15d18881b784dc9efc5d81989be26ecd9fc8
> 
> should have all the MediaTek bits I know about.  Can you double-check
> it, please?

Sorry, that's wrong; I see your controller powerup stuff in patchwork, and
that's *not* included yet.