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thunderbolt: No need to warn if NHI hop_count != 12 or hop_count != 32

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While Intel hardware typically has hop_count (Total Paths in the spec)
12 the USB4 spec allows this to be anything between 1 and 21 so no need
to warn about this. Simply log number of paths at debug level.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Mika Westerberg 2020-06-01 12:42:05 +03:00
parent 8a00c67e1c
commit 177aa362eb
1 changed files with 1 additions and 3 deletions
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4
drivers/thunderbolt/nhi.c
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@ -1123,9 +1123,7 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* cannot fail - table is allocated bin pcim_iomap_regions */
nhi->iobase = pcim_iomap_table(pdev)[0];
nhi->hop_count = ioread32(nhi->iobase + REG_HOP_COUNT) & 0x3ff;
if (nhi->hop_count != 12 && nhi->hop_count != 32)
dev_warn(&pdev->dev, "unexpected hop count: %d\n",
nhi->hop_count);
dev_dbg(&pdev->dev, "total paths: %d\n", nhi->hop_count);
nhi->tx_rings = devm_kcalloc(&pdev->dev, nhi->hop_count,
sizeof(*nhi->tx_rings), GFP_KERNEL);