From 8ba3e5e11bcf3b3e1bd4874075d3153b7c8d8d05 Mon Sep 17 00:00:00 2001
From: hidnplayr <hidnplayr@kolibrios.org>
Date: Tue, 7 Aug 2012 20:26:26 +0000
Subject: [PATCH] added latency config macro to pci.inc

git-svn-id: svn://kolibrios.org@2911 a494cfbc-eb01-0410-851d-a64ba20cac60
---
 kernel/branches/net/drivers/bus/pci.inc | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/kernel/branches/net/drivers/bus/pci.inc b/kernel/branches/net/drivers/bus/pci.inc
index 26a497e4fa..6b105f71f1 100644
--- a/kernel/branches/net/drivers/bus/pci.inc
+++ b/kernel/branches/net/drivers/bus/pci.inc
@@ -114,11 +114,20 @@ macro   make_bus_master bus, dev {
         movzx   ecx, bus
         movzx   edx, dev
         stdcall PciRead32, ecx ,edx, PCI_REG_COMMAND
-
-        or      al, PCI_BIT_MASTER ;or PCI_BIT_PIO
-;        and     al, not PCI_BIT_MMIO
+        or      al, PCI_BIT_MASTER
         stdcall PciWrite32, ecx, edx, PCI_REG_COMMAND, eax
 
-;; TODO: try to switch to PIO, and check if PIO works or not..
+}
 
-}
\ No newline at end of file
+macro   adjust_latency bus, dev, min {
+
+        movzx   ecx, bus
+        movzx   edx, dev
+        stdcall PciRead8, ecx ,edx, PCI_REG_LATENCY
+        cmp     al, min
+        ja      @f
+        mov     al, min
+        stdcall PciWrite8, ecx, edx, PCI_REG_LATENCY, eax
+  @@:
+
+}