| Message ID | 1620330705-40192-6-git-send-email-bbhatt@codeaurora.org |
|---|---|
| State | New |
| Headers | show |
| Series | BHI/BHIe improvements for MHI power purposes | expand |
On Thu, May 06, 2021 at 12:51:44PM -0700, Bhaumik Bhatt wrote: > MHI driver requires register space length to add range checks and > prevent memory region accesses outside of that for MMIO space. > Set it from the PCI generic controller driver before registering > the MHI controller. > > Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org> > Reviewed-by: Hemant Kumar <hemantk@codeaurora.org> > Reviewed-by: Loic Poulain <loic.poulain@linaro.org> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Thanks, Mani > --- > drivers/bus/mhi/pci_generic.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c > index 7c810f0..fb7889f 100644 > --- a/drivers/bus/mhi/pci_generic.c > +++ b/drivers/bus/mhi/pci_generic.c > @@ -463,6 +463,7 @@ static int mhi_pci_claim(struct mhi_controller *mhi_cntrl, > return err; > } > mhi_cntrl->regs = pcim_iomap_table(pdev)[bar_num]; > + mhi_cntrl->reg_len = pci_resource_len(pdev, bar_num); > > err = pci_set_dma_mask(pdev, dma_mask); > if (err) { > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project >
diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c index 7c810f0..fb7889f 100644 --- a/drivers/bus/mhi/pci_generic.c +++ b/drivers/bus/mhi/pci_generic.c @@ -463,6 +463,7 @@ static int mhi_pci_claim(struct mhi_controller *mhi_cntrl, return err; } mhi_cntrl->regs = pcim_iomap_table(pdev)[bar_num]; + mhi_cntrl->reg_len = pci_resource_len(pdev, bar_num); err = pci_set_dma_mask(pdev, dma_mask); if (err) {