Commit 177aa362 authored by Mika Westerberg's avatar Mika Westerberg
Browse files

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



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: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent 8a00c67e

drivers/thunderbolt/nhi.c

+1 −3
Original line number Diff line number Diff line
@@ -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);