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authorLinas Vepstas <linas@austin.ibm.com>2007-11-03 07:27:50 +1100
committerPaul Mackerras <paulus@samba.org>2007-11-08 14:15:32 +1100
commit2a50f144fc6081269468abf79e1907c6669bef22 (patch)
tree8a67d1347fe5fc078a2000e3cd5d1986cd6d606b /arch/powerpc
parent638799b33586339ac007b0fef497a15d81a271aa (diff)
downloadlinux-2a50f144fc6081269468abf79e1907c6669bef22.tar.gz
[POWERPC] EEH: Drivers that need reset trump others
Bugfix: if a driver controlling one part of a multi-function PCI card
has asked for a reset, honor that request above all others.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/platforms/pseries/eeh_driver.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
index 6e631b5a28f0..57e025e84ab4 100644
--- a/arch/powerpc/platforms/pseries/eeh_driver.c
+++ b/arch/powerpc/platforms/pseries/eeh_driver.c
@@ -105,9 +105,10 @@ static void eeh_report_error(struct pci_dev *dev, void *userdata)
 		return;
 
 	rc = driver->err_handler->error_detected (dev, pci_channel_io_frozen);
+
+	/* A driver that needs a reset trumps all others */
+	if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
 	if (*res == PCI_ERS_RESULT_NONE) *res = rc;
-	if (*res == PCI_ERS_RESULT_DISCONNECT &&
-	     rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
 }
 
 /**
@@ -129,9 +130,10 @@ static void eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata)
 		return;
 
 	rc = driver->err_handler->mmio_enabled (dev);
+
+	/* A driver that needs a reset trumps all others */
+	if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
 	if (*res == PCI_ERS_RESULT_NONE) *res = rc;
-	if (*res == PCI_ERS_RESULT_DISCONNECT &&
-	     rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
 }
 
 /**