linux-kernel - [PATCH] PCI: dwc: Change size to u64 for EP outbound iATU

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Date:   Fri, 18 Dec 2020 21:04:08 +0530
From:   Shradha Todi <shradha.t@...sung.com>
To:     linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Cc:     jingoohan1@...il.com, gustavo.pimentel@...opsys.com,
        lorenzo.pieralisi@....com, robh@...nel.org, bhelgaas@...gle.com,
        pankaj.dubey@...sung.com, Shradha Todi <shradha.t@...sung.com>
Subject: [PATCH] PCI: dwc: Change size to u64 for EP outbound iATU

Since outbound iATU permits size to be greater than
4GB for which the support is also available, allow
EP function to send u64 size instead of truncating
to u32.

Signed-off-by: Shradha Todi <shradha.t@...sung.com>
---
 drivers/pci/controller/dwc/pcie-designware.c | 2 +-
 drivers/pci/controller/dwc/pcie-designware.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c
index 7eba3b2..6298212 100644
--- a/drivers/pci/controller/dwc/pcie-designware.c
+++ b/drivers/pci/controller/dwc/pcie-designware.c
@@ -325,7 +325,7 @@ void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index, int type,
 
 void dw_pcie_prog_ep_outbound_atu(struct dw_pcie *pci, u8 func_no, int index,
 				  int type, u64 cpu_addr, u64 pci_addr,
-				  u32 size)
+				  u64 size)
 {
 	__dw_pcie_prog_outbound_atu(pci, func_no, index, type,
 				    cpu_addr, pci_addr, size);
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index 28b72fb..bb33f28 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -307,7 +307,7 @@ void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index,
 			       u64 size);
 void dw_pcie_prog_ep_outbound_atu(struct dw_pcie *pci, u8 func_no, int index,
 				  int type, u64 cpu_addr, u64 pci_addr,
-				  u32 size);
+				  u64 size);
 int dw_pcie_prog_inbound_atu(struct dw_pcie *pci, u8 func_no, int index,
 			     int bar, u64 cpu_addr,
 			     enum dw_pcie_as_type as_type);
-- 
2.7.4