[thunderx] Don't disable NIC when exiting from iPXE

According to ThunderX Errata G-17560, NIC_PF_CFG[ENA] bit should not
be cleared at exit.  This allows other drivers to access the NIC regs
correctly.

Signed-off-by: Konrad Adamczyk <konrad.adamczyk@cavium.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/drivers/net/thunderx.c b/src/drivers/net/thunderx.c
index 901ecba11247f2c6d2e688dd46f71bfb00510893..c9c246cb8ba868724fc39010cf76d273f0b71862 100644 (file)
--- a/src/drivers/net/thunderx.c
+++ b/src/drivers/net/thunderx.c
@@ -1345,9 +1345,6 @@ static void txnic_pf_remove ( struct pci_device *pci ) {
        /* Remove from list of physical functions */
        list_del ( &pf->list );
 
-       /* Disable physical function */
-       writeq ( 0, ( pf->regs + TXNIC_PF_CFG ) );
-
        /* Unmap registers */
        iounmap ( pf->regs );