[IA64-SGI] Altix BTE error handling fixes

[linux-2.6-omap-h63xx.git] / arch / ia64 / sn / kernel / huberror.c

diff --git a/arch/ia64/sn/kernel/huberror.c b/arch/ia64/sn/kernel/huberror.c
index 5c39b43ba3c029604103bb1757dbe3d5db1faa5c..56ab6bae00ee2184c0faecdde66956879e5d66e9 100644 (file)
--- a/arch/ia64/sn/kernel/huberror.c
+++ b/arch/ia64/sn/kernel/huberror.c
@@ -32,13 +32,14 @@ static irqreturn_t hub_eint_handler(int irq, void *arg, struct pt_regs *ep)
        ret_stuff.v0 = 0;
        hubdev_info = (struct hubdev_info *)arg;
        nasid = hubdev_info->hdi_nasid;
-       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_HUB_ERROR_INTERRUPT,
+
+       if (is_shub1()) {
+               SAL_CALL_NOLOCK(ret_stuff, SN_SAL_HUB_ERROR_INTERRUPT,
                        (u64) nasid, 0, 0, 0, 0, 0, 0);
 
-       if ((int)ret_stuff.v0)
-               panic("hubii_eint_handler(): Fatal TIO Error");
+               if ((int)ret_stuff.v0)
+                       panic("hubii_eint_handler(): Fatal TIO Error");
 
-       if (is_shub1()) {
                if (!(nasid & 1)) /* Not a TIO, handle CRB errors */
                        (void)hubiio_crb_error_handler(hubdev_info);
        } else 
@@ -76,7 +77,7 @@ void hubiio_crb_free(struct hubdev_info *hubdev_info, int crbnum)
         */
        REMOTE_HUB_S(hubdev_info->hdi_nasid, IIO_ICDR, (IIO_ICDR_PND | crbnum));
        while (REMOTE_HUB_L(hubdev_info->hdi_nasid, IIO_ICDR) & IIO_ICDR_PND)
-               udelay(1);
+               cpu_relax();
 
 }