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| author |   Ioana Radulescu <ruxandra.radulescu@nxp.com> | 2017-10-11 08:29:46 -0500 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-18 16:45:18 +0200 |
| commit | 8658094a22987086a307cfb1fdf9c66d137b8fe3 (patch) | |
| tree | 118a3a2b24b338adb0c5b4d6628447b2ef25deb7 /drivers/staging/fsl-dpaa2 | |
| parent | staging: fsl-dpaa2/eth: Check SGT final bit is present (diff) | |
| download | linux-dev-8658094a22987086a307cfb1fdf9c66d137b8fe3.tar.xz linux-dev-8658094a22987086a307cfb1fdf9c66d137b8fe3.zip | |
staging: fsl-dpaa2/eth: Check if notification rearm is successful
In case dpaa2_io_service_rearm() fails with an error other then
EBUSY, it will do so silently; add a check for this and a warning
message, as a failure here means we're unable to receive any
more traffic on the current cpu.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/fsl-dpaa2')
| -rw-r--r-- | drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c index 6f009d1e3a84..f390de642222 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c @@ -955,6 +955,8 @@ static int dpaa2_eth_poll(struct napi_struct *napi, int budget) err = dpaa2_io_service_rearm(NULL, &ch->nctx); cpu_relax(); } while (err == -EBUSY); + WARN_ONCE(err, "CDAN notifications rearm failed on core %d", + ch->nctx.desired_cpu); } ch->stats.frames += cleaned; |