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From: Shawn Lin <shawn.lin@rock-chips.com>
To: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Bjorn Helgaas <bhelgaas@google.com>
Cc: linux-pci@vger.kernel.org, Shawn Lin <shawn.lin@rock-chips.com>
Subject: [PATCH] PCI: rockchip: Correct definition of ROCKCHIP_PCIE_EP_MSI_CTRL_ME
Date: Thu, 24 Dec 2020 08:52:41 +0800	[thread overview]
Message-ID: <1608771161-34681-1-git-send-email-shawn.lin@rock-chips.com> (raw)

ROCKCHIP_PCIE_EP_MSI_CTRL_ME should be BIT(0), and fix the flags
to be u32 type.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
---

 drivers/pci/controller/pcie-rockchip-ep.c | 7 ++++---
 drivers/pci/controller/pcie-rockchip.h    | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c
index 7631dc3..a25e212 100644
--- a/drivers/pci/controller/pcie-rockchip-ep.c
+++ b/drivers/pci/controller/pcie-rockchip-ep.c
@@ -313,7 +313,7 @@ static int rockchip_pcie_ep_set_msi(struct pci_epc *epc, u8 fn,
 {
 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
 	struct rockchip_pcie *rockchip = &ep->rockchip;
-	u16 flags;
+	u32 flags;
 
 	flags = rockchip_pcie_read(rockchip,
 				   ROCKCHIP_PCIE_EP_FUNC_BASE(fn) +
@@ -333,7 +333,7 @@ static int rockchip_pcie_ep_get_msi(struct pci_epc *epc, u8 fn)
 {
 	struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
 	struct rockchip_pcie *rockchip = &ep->rockchip;
-	u16 flags;
+	u32 flags;
 
 	flags = rockchip_pcie_read(rockchip,
 				   ROCKCHIP_PCIE_EP_FUNC_BASE(fn) +
@@ -417,7 +417,8 @@ static int rockchip_pcie_ep_send_msi_irq(struct rockchip_pcie_ep *ep, u8 fn,
 					 u8 interrupt_num)
 {
 	struct rockchip_pcie *rockchip = &ep->rockchip;
-	u16 flags, mme, data, data_mask;
+	u16 mme, data, data_mask;
+	u32 flags;
 	u8 msi_count;
 	u64 pci_addr, pci_addr_mask = 0xff;
 
diff --git a/drivers/pci/controller/pcie-rockchip.h b/drivers/pci/controller/pcie-rockchip.h
index 1650a50..c668268 100644
--- a/drivers/pci/controller/pcie-rockchip.h
+++ b/drivers/pci/controller/pcie-rockchip.h
@@ -221,7 +221,7 @@
 #define   ROCKCHIP_PCIE_EP_MSI_CTRL_MMC_MASK		GENMASK(19, 17)
 #define   ROCKCHIP_PCIE_EP_MSI_CTRL_MME_OFFSET		20
 #define   ROCKCHIP_PCIE_EP_MSI_CTRL_MME_MASK		GENMASK(22, 20)
-#define   ROCKCHIP_PCIE_EP_MSI_CTRL_ME				BIT(16)
+#define   ROCKCHIP_PCIE_EP_MSI_CTRL_ME				BIT(0)
 #define   ROCKCHIP_PCIE_EP_MSI_CTRL_MASK_MSI_CAP	BIT(24)
 #define ROCKCHIP_PCIE_EP_DUMMY_IRQ_ADDR				0x1
 #define ROCKCHIP_PCIE_EP_PCI_LEGACY_IRQ_ADDR		0x3
-- 
2.7.4




             reply	other threads:[~2020-12-24  1:00 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-24  0:52 Shawn Lin [this message]
2021-03-23 10:53 ` [PATCH] PCI: rockchip: Correct definition of ROCKCHIP_PCIE_EP_MSI_CTRL_ME Lorenzo Pieralisi

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