[PATCH v5 0/2] PCI: dwc: fix two MSI issues

Lorenzo Pieralisi lorenzo.pieralisi at arm.com
Thu Oct 8 07:36:14 EDT 2020


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 ?

Thanks,
Lorenzo



More information about the linux-arm-kernel mailing list