PKGBUILDs/core/linux-espressobin/0011-fix-pcie-aardvark-correct-the-default-MAX-payload-si.patch

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2017-07-30 00:45:17 +00:00
From 54e86a8e68e2ba130e1ed9cbd648901855041e86 Mon Sep 17 00:00:00 2001
2017-07-13 00:21:51 +00:00
From: Victor Gu <xigu@marvell.com>
Date: Fri, 24 Mar 2017 20:41:55 +0800
2017-07-30 00:45:17 +00:00
Subject: [PATCH 11/12] fix: pcie: aardvark: correct the default MAX payload
2017-07-13 00:21:51 +00:00
size
The previous PCIe MAX payload field is set to 7 which is undefined
value according to functional specification.
The default PICe host controller MAX payload size should be
set to 512 bytes according to specification.
Change-Id: I8fa4868ad251f2582d58ed588e570c43aa8b24b9
Signed-off-by: Victor Gu <xigu@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/37926
Tested-by: iSoC Platform CI <ykjenk@marvell.com>
Reviewed-by: Evan Wang <xswang@marvell.com>
---
drivers/pci/host/pci-aardvark.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/host/pci-aardvark.c b/drivers/pci/host/pci-aardvark.c
index 0407c8cb89fb..cac1558b8d3b 100644
--- a/drivers/pci/host/pci-aardvark.c
+++ b/drivers/pci/host/pci-aardvark.c
@@ -30,6 +30,7 @@
#define PCIE_CORE_DEV_CTRL_STATS_REG 0xc8
#define PCIE_CORE_DEV_CTRL_STATS_RELAX_ORDER_DISABLE (0 << 4)
#define PCIE_CORE_DEV_CTRL_STATS_MAX_PAYLOAD_SZ_SHIFT 5
+#define PCIE_CORE_DEV_CTRL_STATS_MAX_PAYLOAD_SZ 0x2
#define PCIE_CORE_DEV_CTRL_STATS_SNOOP_DISABLE (0 << 11)
#define PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SIZE_SHIFT 12
#define PCIE_CORE_MPS_UNIT_BYTE 128
@@ -300,7 +301,7 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
/* Set PCIe Device Control and Status 1 PF0 register */
reg = PCIE_CORE_DEV_CTRL_STATS_RELAX_ORDER_DISABLE |
- (7 << PCIE_CORE_DEV_CTRL_STATS_MAX_PAYLOAD_SZ_SHIFT) |
+ (PCIE_CORE_DEV_CTRL_STATS_MAX_PAYLOAD_SZ << PCIE_CORE_DEV_CTRL_STATS_MAX_PAYLOAD_SZ_SHIFT) |
PCIE_CORE_DEV_CTRL_STATS_SNOOP_DISABLE |
PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SIZE_SHIFT;
advk_writel(pcie, reg, PCIE_CORE_DEV_CTRL_STATS_REG);
--
2017-07-22 01:34:30 +00:00
2.13.3
2017-07-13 00:21:51 +00:00