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bus: mhi: pci_generic: Set register access length for MHI driver

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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 <hemantk@codeaurora.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-8-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bhaumik Bhatt 2021-08-02 10:42:52 +05:30 committed by Greg Kroah-Hartman
parent c92513b881
commit 3551a30b9d
1 changed files with 1 additions and 0 deletions
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1
drivers/bus/mhi/pci_generic.c
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@ -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) {