diff options
| author | Matt Carlson <mcarlson@broadcom.com> | 2011-07-20 10:20:55 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-07-21 12:36:15 -0700 |
| commit | 3aa1cdf87c0b3f2345e75c474acc32ebbf0a4724 (patch) | |
| tree | 3b42a6884aa086ccd5b3ed599687fad4e6215f7e | |
| parent | 9d53fa129628d4899083b06fa66b7ca10fed8eb4 (diff) | |
| download | linux-3aa1cdf87c0b3f2345e75c474acc32ebbf0a4724.tar.gz | |
tg3: Fix int selftest for recent devices.
This patch fixes interrupt selftest failures for recent devices (57765, 5717, 5718. 5719, 5720) by disabling MSI one-shot mode and applying the status tag workaround to the selftest code. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/tg3.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index e5c1bc919b4d..f2b0839f9810 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -9183,7 +9183,7 @@ static int tg3_test_interrupt(struct tg3 *tp) * Turn off MSI one shot mode. Otherwise this test has no * observable way to know whether the interrupt was delivered. */ - if (tg3_flag(tp, 57765_PLUS) && tg3_flag(tp, USING_MSI)) { + if (tg3_flag(tp, 57765_PLUS)) { val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE; tw32(MSGINT_MODE, val); } @@ -9211,6 +9211,10 @@ static int tg3_test_interrupt(struct tg3 *tp) break; } + if (tg3_flag(tp, 57765_PLUS) && + tnapi->hw_status->status_tag != tnapi->last_tag) + tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24); + msleep(10); } @@ -9225,7 +9229,7 @@ static int tg3_test_interrupt(struct tg3 *tp) if (intr_ok) { /* Reenable MSI one shot mode. */ - if (tg3_flag(tp, 57765_PLUS) && tg3_flag(tp, USING_MSI)) { + if (tg3_flag(tp, 57765_PLUS)) { val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE; tw32(MSGINT_MODE, val); } |