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staging: mt7621-pci: use PCIE_PORT_LINKUP instead of hardcode value 

PCIE_PORT_LINKUP is defined and can be used to check if link is up
for each controller. Use it instead of use a hardcode value.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergio Paracuellos 2018-11-04 11:49:55 +01:00 committed by Greg Kroah-Hartman
parent bd1a05bd87
commit bcb4530736
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/mt7621-pci/pci-mt7621.c
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@ -594,7 +594,7 @@ static int mt7621_pcie_init_port(struct mt7621_pcie_port *port)
reset_control_assert(port->pcie_rst);
reset_control_deassert(port->pcie_rst);
if ((pcie_port_read(port, RALINK_PCI_STATUS) & 0x1) == 0) {
if ((pcie_port_read(port, RALINK_PCI_STATUS) & PCIE_PORT_LINKUP) == 0) {
dev_err(dev, "pcie%d no card, disable it (RST & CLK)\n", slot);
reset_control_assert(port->pcie_rst);
rt_sysc_m32(PCIE_PORT_CLK_EN(slot), 0, RALINK_CLKCFG1);