From: Bhaumik Bhatt Date: Mon, 2 Aug 2021 05:12:52 +0000 (+0530) Subject: bus: mhi: pci_generic: Set register access length for MHI driver X-Git-Tag: howlett/maple/20220722_2~2448^2~43 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=3551a30b9d4c2a5520e6c798758a6f4858adcd0a;p=users%2Fjedix%2Flinux-maple.git bus: mhi: pci_generic: Set register access length for MHI driver 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. Link: https://lore.kernel.org/r/1620330705-40192-6-git-send-email-bbhatt@codeaurora.org Reviewed-by: Hemant Kumar Reviewed-by: Loic Poulain Reviewed-by: Manivannan Sadhasivam Signed-off-by: Bhaumik Bhatt Signed-off-by: Manivannan Sadhasivam Link: https://lore.kernel.org/r/20210802051255.5771-8-manivannan.sadhasivam@linaro.org Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c index 5872c42927b1..4026d5c2ee79 100644 --- a/drivers/bus/mhi/pci_generic.c +++ b/drivers/bus/mhi/pci_generic.c @@ -524,6 +524,7 @@ 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) {