[PATCH v2 2/3] PCI: mediatek: take use of bus->sysdata to get host private data

[<honghui.zhang@mediatek.com>]

From: Honghui Zhang <honghui.zhang@mediatek.com>

Commit ae02a6dda285 ("PCI: mediatek: Add controller support for MT2712 and
MT7622") has put the mtk_pcie * into bus->sysdata, take advantage of that
to get the private data and simplify the code.

Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com>
---
 drivers/pci/host/pcie-mediatek.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/pci/host/pcie-mediatek.c b/drivers/pci/host/pcie-mediatek.c
index 946c056..acc2e28 100644
--- a/drivers/pci/host/pcie-mediatek.c
+++ b/drivers/pci/host/pcie-mediatek.c
@@ -511,8 +511,7 @@ static int mtk_pcie_setup_irq(struct mtk_pcie_port *port,
 static void __iomem *mtk_pcie_map_bus(struct pci_bus *bus,
 				      unsigned int devfn, int where)
 {
-	struct pci_host_bridge *host = pci_find_host_bridge(bus);
-	struct mtk_pcie *pcie = pci_host_bridge_priv(host);
+	struct mtk_pcie *pcie = bus->sysdata;
 
 	writel(PCIE_CONF_ADDR(where, PCI_FUNC(devfn), PCI_SLOT(devfn),
 			      bus->number), pcie->base + PCIE_CFG_ADDR);
-- 
2.6.4