| Message ID | 1620234501-30461-6-git-send-email-bbhatt@codeaurora.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v3,1/6] bus: mhi: core: Set BHI/BHIe offsets on power up preparation | expand |
On 5/5/21 10:08 AM, 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>
On Wed, 5 May 2021 at 19:08, Bhaumik Bhatt <bbhatt@codeaurora.org> 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: Loic Poulain <loic.poulain@linaro.org>
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) {
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> --- drivers/bus/mhi/pci_generic.c | 1 + 1 file changed, 1 insertion(+)