From: Ley Foon Tan <ley.foon.tan@intel.com>
Date: Fri, 24 May 2019 02:29:58 +0000 (+0800)
Subject: pci: intel: Increase TLP polling counter
X-Git-Tag: v2019.10-rc2~4^2~50
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=d0e52c6f29efa9b728ed6e7f705d4e92a8ff9d2d;p=oweals%2Fu-boot.git

pci: intel: Increase TLP polling counter

Some PCIe devices require longer time to response.
Increase polling counter to 20000 (~100ms).

Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
---

diff --git a/drivers/pci/pcie_intel_fpga.c b/drivers/pci/pcie_intel_fpga.c
index 3cdf05b314..e74b35ac16 100644
--- a/drivers/pci/pcie_intel_fpga.c
+++ b/drivers/pci/pcie_intel_fpga.c
@@ -56,7 +56,7 @@
 #define TLP_COMP_STATUS(s)		(((s) >> 13) & 7)
 #define TLP_BYTE_COUNT(s)		(((s) >> 0) & 0xfff)
 #define TLP_HDR_SIZE			3
-#define TLP_LOOP			500
+#define TLP_LOOP			20000
 #define DWORD_MASK			3
 
 #define IS_ROOT_PORT(pcie, bdf)				\