Commit 31ec9c27 authored by Ryder Lee's avatar Ryder Lee Committed by Lorenzo Pieralisi
Browse files

PCI: mediatek: Configure FC and FTS for functions other than 0 

"PCI_FUNC(port->slot << 3)" is always 0, so previously
mtk_pcie_startup_port() only configured FC credits and FTs for function
0.

Compute "func" correctly so we also configure functions other than
0. This affects MT2701 and MT7623.

Link: https://lore.kernel.org/r/c529dbfc066f4bda9b87edbdbf771f207e69b84e.1604510053.git.ryder.lee@mediatek.com


Signed-off-by: default avatarRyder Lee <ryder.lee@mediatek.com>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: default avatarKrzysztof Wilczyński <kw@linux.com>
parent a38fd874

drivers/pci/controller/pcie-mediatek.c

+1 −1
Original line number Diff line number Diff line
@@ -760,7 +760,7 @@ static struct pci_ops mtk_pcie_ops = { 
static int mtk_pcie_startup_port(struct mtk_pcie_port *port)

{

	struct mtk_pcie *pcie = port->pcie;

	u32 func = PCI_FUNC(port->slot << 3);

	u32 func = PCI_FUNC(port->slot);

	u32 slot = PCI_SLOT(port->slot << 3);

	u32 val;

	int err;