From 9db780972e5c4a622a7f61bcc1e65d84fe52e07c Mon Sep 17 00:00:00 2001
From: ppisa <ppisa>
Date: Wed, 16 Jun 2004 17:52:49 +0000
Subject: [PATCH] Added delay required by Unican PCI cards detection code. This
 is clumsy workaround for hardware misfeature.

---
 lincan/src/unican_cl2.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lincan/src/unican_cl2.c b/lincan/src/unican_cl2.c
index a3dd7f7..e0d30e1 100644
--- a/lincan/src/unican_cl2.c
+++ b/lincan/src/unican_cl2.c
@@ -34,6 +34,7 @@ UCEL A FUNKCE:
 #include "../include/canmsg.h"
 #include "../include/unican_types.h"
 #include "../include/unican_cl2.h"
+#include "linux/delay.h"
 
 
 /*******************************************************************************
@@ -103,7 +104,9 @@ eCL2_RESULT cl2_test_card
    for ( i = 0; i < 10000; i++ )
    {
      if ( isAA && is55 ) return CL2_OK;
-     tmpWord = *((U16*)(card->baseAddressPtr));
+     tmpWord = *((volatile U16*)(card->baseAddressPtr));
+     /*printk("cl2_test_card: %08lx %04x\n", (long)card->baseAddressPtr, tmpWord);*/
+     udelay(100);
      if ( (tmpWord & 0x00FF) == 0x00AA ) isAA = TRUE;
      if ( (tmpWord & 0x00FF) == 0x0055 ) is55 = TRUE;
    }
-- 
2.39.2