Author: yongari
Date: Wed Feb 11 00:23:56 2009
New Revision: 188474
URL: http://svn.freebsd.org/changeset/base/188474
Log:
Allocating 2 MSI messages do not seem to work on certain controllers
so use just 1 MSI message. This fixes regression introduced in
r188381.
Tested by: many
Modified:
head/sys/dev/re/if_re.c
head/sys/pci/if_rlreg.h
Modified: head/sys/dev/re/if_re.c
==============================================================================
--- head/sys/dev/re/if_re.c Wed Feb 11 00:08:48 2009 (r188473)
+++ head/sys/dev/re/if_re.c Wed Feb 11 00:23:56 2009 (r188474)
@@ -1149,7 +1149,8 @@ re_attach(device_t dev)
if (bootverbose)
device_printf(dev, "MSI count : %d\n", msic);
}
- if (msic == RL_MSI_MESSAGES && msi_disable == 0) {
+ if (msic > 0 && msi_disable == 0) {
+ msic = 1;
if (pci_alloc_msi(dev, &msic) == 0) {
if (msic == RL_MSI_MESSAGES) {
device_printf(dev, "Using %d MSI messages\n",
Modified: head/sys/pci/if_rlreg.h
==============================================================================
--- head/sys/pci/if_rlreg.h Wed Feb 11 00:08:48 2009 (r188473)
+++ head/sys/pci/if_rlreg.h Wed Feb 11 00:23:56 2009 (r188474)
@@ -779,7 +779,7 @@ struct rl_stats {
#define RE_RX_DESC_BUFLEN MCLBYTES
#endif
-#define RL_MSI_MESSAGES 2
+#define RL_MSI_MESSAGES 1
#define RL_ADDR_LO(y) ((uint64_t) (y) & 0xFFFFFFFF)
#define RL_ADDR_HI(y) ((uint64_t) (y) >> 32)
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