[PATCH 01/13] PCI: dwc/imx6: Drop setting PCI_MSI_FLAGS_ENABLE

[Rob Herring]

No other host driver sets the PCI_MSI_FLAGS_ENABLE bit, so it must not
be necessary. If it is, a comment is needed.

Cc: Richard Zhu <hongxing.zhu at nxp.com>
Cc: Lucas Stach <l.stach at pengutronix.de>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
Cc: Bjorn Helgaas <bhelgaas at google.com>
Cc: Shawn Guo <shawnguo at kernel.org>
Cc: Sascha Hauer <s.hauer at pengutronix.de>
Cc: Pengutronix Kernel Team <kernel at pengutronix.de>
Cc: Fabio Estevam <festevam at gmail.com>
Cc: NXP Linux Team <linux-imx at nxp.com>
Signed-off-by: Rob Herring <robh at kernel.org>
---
 drivers/pci/controller/dwc/pci-imx6.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 5cf1ef12fb9b..7dd137d62dca 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1002,7 +1002,6 @@ static int imx6_pcie_probe(struct platform_device *pdev)
 	struct resource *dbi_base;
 	struct device_node *node = dev->of_node;
 	int ret;
-	u16 val;
 
 	imx6_pcie = devm_kzalloc(dev, sizeof(*imx6_pcie), GFP_KERNEL);
 	if (!imx6_pcie)
@@ -1167,13 +1166,6 @@ static int imx6_pcie_probe(struct platform_device *pdev)
 	if (ret < 0)
 		return ret;
 
-	if (pci_msi_enabled()) {
-		u8 offset = dw_pcie_find_capability(pci, PCI_CAP_ID_MSI);
-		val = dw_pcie_readw_dbi(pci, offset + PCI_MSI_FLAGS);
-		val |= PCI_MSI_FLAGS_ENABLE;
-		dw_pcie_writew_dbi(pci, offset + PCI_MSI_FLAGS, val);
-	}
-
 	return 0;
 }
 
-- 
2.25.1