diff options
| author |   Prasad Kanneganti <prasad.kanneganti@cavium.com> | 2017-01-11 17:40:27 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-01-12 15:52:56 -0500 |
| commit | a8ac1a55d0859cf8f53db3275ad4a6480868e80c (patch) | |
| tree | 12c9bf03270351119b23f37f0ea638b41ad57214 /drivers/net/ethernet/cavium | |
| parent | liquidio: remove unnecessary code (diff) | |
| download | linux-dev-a8ac1a55d0859cf8f53db3275ad4a6480868e80c.tar.xz linux-dev-a8ac1a55d0859cf8f53db3275ad4a6480868e80c.zip | |
liquidio VF: reduce load time of module
Reduce the load time of the VF driver by decreasing the wait time between
iterations of the loop that polls for a mailbox response from the PF. Also
change the wait time units from jiffies to milliseconds.
Signed-off-by: Prasad Kanneganti <prasad.kanneganti@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Satanand Burla <satananda.burla@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/octeon_mailbox.h | 4 |
2 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c b/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c index 73696b427f06..201b9875f9bb 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c +++ b/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.c @@ -131,6 +131,7 @@ int octeon_mbox_write(struct octeon_device *oct, { struct octeon_mbox *mbox = oct->mbox[mbox_cmd->q_no]; u32 count, i, ret = OCTEON_MBOX_STATUS_SUCCESS; + long timeout = LIO_MBOX_WRITE_WAIT_TIME; unsigned long flags; spin_lock_irqsave(&mbox->lock, flags); @@ -158,7 +159,7 @@ int octeon_mbox_write(struct octeon_device *oct, count = 0; while (readq(mbox->mbox_write_reg) != OCTEON_PFVFSIG) { - schedule_timeout_uninterruptible(LIO_MBOX_WRITE_WAIT_TIME); + schedule_timeout_uninterruptible(timeout); if (count++ == LIO_MBOX_WRITE_WAIT_CNT) { ret = OCTEON_MBOX_STATUS_FAILED; break; @@ -171,7 +172,7 @@ int octeon_mbox_write(struct octeon_device *oct, count = 0; while (readq(mbox->mbox_write_reg) != OCTEON_PFVFACK) { - schedule_timeout_uninterruptible(10); + schedule_timeout_uninterruptible(timeout); if (count++ == LIO_MBOX_WRITE_WAIT_CNT) { ret = OCTEON_MBOX_STATUS_FAILED; break; diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.h b/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.h index fe60a3e6247b..c9376fe075bc 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.h @@ -31,8 +31,8 @@ #define OCTEON_PFVFSIG 0x1122334455667788 #define OCTEON_PFVFERR 0xDEADDEADDEADDEAD -#define LIO_MBOX_WRITE_WAIT_CNT 1000 -#define LIO_MBOX_WRITE_WAIT_TIME 10 +#define LIO_MBOX_WRITE_WAIT_CNT 1000 +#define LIO_MBOX_WRITE_WAIT_TIME msecs_to_jiffies(1) enum octeon_mbox_cmd_status { OCTEON_MBOX_STATUS_SUCCESS = 0, |