IB/hfi1: Expand reported serial number (fc0b76c0) · Commits · 戴 / test

Expand the serial number space by using more bits from the GUID. Reviewed-by:

drivers/infiniband/hw/hfi1/chip.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -14601,8 +14601,14 @@ struct hfi1_devdata hfi1_init_dd(struct pci_dev pdev,
		/* set up LCB access - must be after set_up_interrupts() */
		init_lcb_access(dd);

		/*
		* Serial number is created from the base guid:
		* [27:24] = base guid [38:35]
		* [23: 0] = base guid [23: 0]
		*/
		snprintf(dd->serial, SERIAL_MAX, "0x%08llx\n",
		dd->base_guid & 0xFFFFFF);
		(dd->base_guid & 0xFFFFFF) \|
		((dd->base_guid >> 11) & 0xF000000));

		dd->oui1 = dd->base_guid >> 56 & 0xFF;
		dd->oui2 = dd->base_guid >> 48 & 0xFF;