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cnss2: Set genoa dma bit mask to 32 bit

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Currently genoa is using lower 32 bits of 64 bit dma
bitmask. Unexpected access of higher 32 bits may cause
issues.This code change avoids such possibilities.

Change-Id: I8bf17056a12661a7c50333bf5897721d363550a3
CRs-Fixed: 3428036
This commit is contained in:
Gangadhar Kavalastramath
2023-03-08 14:49:24 +05:30
committed by Madan Koyyalamudi
parent 74ebfcdb0a
commit 313bb86570
1 changed files with 2 additions and 4 deletions
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6
cnss2/pci.c
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@@ -35,7 +35,7 @@
#define PCI_DMA_MASK_32_BIT DMA_BIT_MASK(32)
#define PCI_DMA_MASK_36_BIT DMA_BIT_MASK(36)
#define PCI_DMA_MASK_64_BIT ~0ULL
#define PCI_DMA_MASK_64_BIT DMA_BIT_MASK(64)
#define MHI_NODE_NAME "qcom,mhi"
#define MHI_MSI_NAME "MHI"
@@ -5187,6 +5187,7 @@ static int cnss_pci_enable_bus(struct cnss_pci_data *pci_priv)
switch (device_id) {
case QCA6174_DEVICE_ID:
case QCN7605_DEVICE_ID:
pci_priv->dma_bit_mask = PCI_DMA_MASK_32_BIT;
break;
case QCA6390_DEVICE_ID:
@@ -5196,9 +5197,6 @@ static int cnss_pci_enable_bus(struct cnss_pci_data *pci_priv)
case PEACH_DEVICE_ID:
pci_priv->dma_bit_mask = PCI_DMA_MASK_36_BIT;
break;
case QCN7605_DEVICE_ID:
pci_priv->dma_bit_mask = PCI_DMA_MASK_64_BIT;
break;
default:
pci_priv->dma_bit_mask = PCI_DMA_MASK_32_BIT;
break;