linux-kernel - Re: [PATCH v5 0/2] PCI: dwc: fix two MSI issues

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Message-ID: <20201009151006.38b3811b@xhacker.debian>
Date:   Fri, 9 Oct 2020 15:10:06 +0800
From:   Jisheng Zhang <Jisheng.Zhang@...aptics.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jingoo Han <jingoohan1@...il.com>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        linux-omap@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 0/2] PCI: dwc: fix two MSI issues

On Thu, 8 Oct 2020 12:36:14 +0100 Lorenzo Pieralisi wrote:

> 
> On Wed, Sep 30, 2020 at 09:12:05AM +0800, Jisheng Zhang wrote:
> > Fix two MSI issues. One to skip PCIE_MSI_INTR0* programming if MSI is
> > disabled, another to use an address in the driver data for MSI address,
> > to fix the MSI page leakage during suspend/resume.
> >
> > Since v4:
> >   - fix pci-dra7xx.c
> >
> > Since v3:
> >   - add Acked-by tag
> >   - change patch2 commit msg to make it clear
> >   - map the MSI msg with dma_map_single_attrs() for some platforms
> >     which either has seperate addrs for dma and phy or has mem access
> >     limitation for the PCIe.
> >
> > Since v2:
> >   - add Acked-by tag
> >   - use an address in the driver data for MSI address. Thank Ard and Rob
> >     for pointing out this correct direction.
> >   - Since the MSI page has gone, the leak issue doesn't exist anymore,
> >     remove unnecessary patches.
> >   - Remove dw_pcie_free_msi rename and the last patch. They could be
> >     targeted to next. So will send out patches in a separate series.
> >
> > Since v1:
> >   - add proper error handling patches.
> >   - solve the msi page leakage by moving dw_pcie_msi_init() from each
> >     users to designware host
> >
> >
> > Jisheng Zhang (2):
> >   PCI: dwc: Skip PCIE_MSI_INTR0* programming if MSI is disabled
> >   PCI: dwc: Fix MSI page leakage in suspend/resume
> >
> >  drivers/pci/controller/dwc/pci-dra7xx.c       | 18 +++++++++-
> >  .../pci/controller/dwc/pcie-designware-host.c | 34 +++++++++----------
> >  drivers/pci/controller/dwc/pcie-designware.h  |  2 +-
> >  3 files changed, 35 insertions(+), 19 deletions(-)  
> 
> Hi,
> 
> can you rebase this series against my pci/dwc branch please ?
> 

Done in v6.

Thanks