Commit db46d19e authored Aug 15, 2019 by Jia Ding

cnss2: set iova_start and iova_stop to physical RAM range



As part of cnss2 dlkm efforts, iova_start and iova_stop are
set to 0 and U64_MAX since memblock_start_of_DRAM and
memblock_end_of_DRAM leads to undefined build errors.

However the change has side effect on 64-bit platform and
leads to Hastings fails to boot up. Thus set back to
physical RAM start and end for iova_start and iova_stop.

Change-Id: I305256206af9f07da94dce2778fdbd4e3a14c8dd
Signed-off-by: jiad <jiad@codeaurora.org>

parent b99e6929

drivers/net/wireless/cnss2/pci.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -2714,9 +2714,8 @@ static int cnss_pci_register_mhi(struct cnss_pci_data *pci_priv)
		mhi_ctrl->iova_stop = pci_priv->smmu_iova_start +
		pci_priv->smmu_iova_len;
		} else {
		/* assume all addresses are valid */
		mhi_ctrl->iova_start = 0;
		mhi_ctrl->iova_stop = (dma_addr_t)U64_MAX;
		mhi_ctrl->iova_start = memblock_start_of_DRAM();
		mhi_ctrl->iova_stop = memblock_end_of_DRAM();
		}

		mhi_ctrl->link_status = cnss_mhi_link_status;