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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-24 08:39:55 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-24 08:39:55 +0100
commitba08cf452f3493e96793c9fec4ebb45e7101a0c0 (patch)
tree61200038de5d9c6ba50dadfa7f065d029fa06174 /drivers/net/ethernet/pensando/ionic/ionic_dev.c
parente24cd4e6d6aa3ca741cdfdfc01118c4016acebea (diff)
parentf8788d86ab28f61f7b46eb6be375f8a726783636 (diff)
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Merge 5.6-rc3 into tty-next
We want the tty fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_dev.c')
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_dev.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
index 87f82f36812f..46107de5e6c3 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
@@ -103,7 +103,7 @@ int ionic_heartbeat_check(struct ionic *ionic)
{
struct ionic_dev *idev = &ionic->idev;
unsigned long hb_time;
- u32 fw_status;
+ u8 fw_status;
u32 hb;
/* wait a little more than one second before testing again */
@@ -111,9 +111,12 @@ int ionic_heartbeat_check(struct ionic *ionic)
if (time_before(hb_time, (idev->last_hb_time + ionic->watchdog_period)))
return 0;
- /* firmware is useful only if fw_status is non-zero */
- fw_status = ioread32(&idev->dev_info_regs->fw_status);
- if (!fw_status)
+ /* firmware is useful only if the running bit is set and
+ * fw_status != 0xff (bad PCI read)
+ */
+ fw_status = ioread8(&idev->dev_info_regs->fw_status);
+ if (fw_status == 0xff ||
+ !(fw_status & IONIC_FW_STS_F_RUNNING))
return -ENXIO;
/* early FW has no heartbeat, else FW will return non-zero */