diff options
| author | Steve Hodgson <shodgson@solarflare.com> | 2010-06-01 15:19:09 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-02 13:21:07 +0400 |
| commit | d730dc527a5abd4717f6320e82cfce54edc882a3 (patch) | |
| tree | ff9ec087fc5f9a30d992a114b29b42b8cc3f1bf0 /drivers/net/sfc/selftest.c | |
| parent | 901d3fe848d8c34988699592c9f4b98c2ce10a8b (diff) | |
| download | linux-d730dc527a5abd4717f6320e82cfce54edc882a3.tar.xz | |
sfc: Allow DRV_GEN events to be used outside of selftests
Formerly, efx_test_eventq_irq() assumed it was the only user of
driver generated events. Allow it to interoperate with other users.
We can create more than 16 channels, so align event codes with
a multiple of 256 not 16.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sfc/selftest.c')
| -rw-r--r-- | drivers/net/sfc/selftest.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c index 52ac14af83a4..c088740e3493 100644 --- a/drivers/net/sfc/selftest.c +++ b/drivers/net/sfc/selftest.c @@ -161,23 +161,17 @@ static int efx_test_interrupts(struct efx_nic *efx, static int efx_test_eventq_irq(struct efx_channel *channel, struct efx_self_tests *tests) { - unsigned int magic, count; - - /* Channel specific code, limited to 20 bits */ - magic = (0x00010150 + channel->channel); - EFX_LOG(channel->efx, "channel %d testing event queue with code %x\n", - channel->channel, magic); + unsigned int magic_count, count; tests->eventq_dma[channel->channel] = -1; tests->eventq_int[channel->channel] = -1; tests->eventq_poll[channel->channel] = -1; - /* Reset flag and zero magic word */ + magic_count = channel->magic_count; channel->efx->last_irq_cpu = -1; - channel->eventq_magic = 0; smp_wmb(); - efx_nic_generate_test_event(channel, magic); + efx_nic_generate_test_event(channel); /* Wait for arrival of interrupt */ count = 0; @@ -187,7 +181,7 @@ static int efx_test_eventq_irq(struct efx_channel *channel, if (channel->work_pending) efx_process_channel_now(channel); - if (channel->eventq_magic == magic) + if (channel->magic_count != magic_count) goto eventq_ok; } while (++count < 2); @@ -204,7 +198,7 @@ static int efx_test_eventq_irq(struct efx_channel *channel, /* Check to see if event was received even if interrupt wasn't */ efx_process_channel_now(channel); - if (channel->eventq_magic == magic) { + if (channel->magic_count != magic_count) { EFX_ERR(channel->efx, "channel %d event was generated, but " "failed to trigger an interrupt\n", channel->channel); tests->eventq_dma[channel->channel] = 1; |