Message ID | 20210107153638.753942-5-ciorneiioana@gmail.com (mailing list archive) |
---|---|
State | Superseded |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | dpaa2-mac: various updates | expand |
Context | Check | Description |
---|---|---|
netdev/cover_letter | success | Link |
netdev/fixes_present | success | Link |
netdev/patch_count | success | Link |
netdev/tree_selection | success | Guessed tree name to be net-next |
netdev/subject_prefix | success | Link |
netdev/cc_maintainers | warning | 1 maintainers not CCed: ruxandra.radulescu@nxp.com |
netdev/source_inline | success | Was 0 now: 0 |
netdev/verify_signedoff | success | Link |
netdev/module_param | success | Was 0 now: 0 |
netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
netdev/verify_fixes | success | Link |
netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 10 lines checked |
netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
netdev/header_inline | success | Link |
netdev/stable | success | Stable not CCed |
On Thu, Jan 07, 2021 at 05:36:36PM +0200, Ioana Ciornei wrote: > From: Ioana Ciornei <ioana.ciornei@nxp.com> > > The fsl_mc_get_endpoint() function now returns -EPROBE_DEFER when the > dpmac device was not yet discovered by the fsl-mc bus. When this > happens, pass the error code up so that we can retry the probe at a > later time. > > Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> > --- > drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c > index f3f53e36aa00..3297e390476b 100644 > --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c > +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c > @@ -4042,6 +4042,10 @@ static int dpaa2_eth_connect_mac(struct dpaa2_eth_priv *priv) > > dpni_dev = to_fsl_mc_device(priv->net_dev->dev.parent); > dpmac_dev = fsl_mc_get_endpoint(dpni_dev); > + > + if (PTR_ERR(dpmac_dev) == -EPROBE_DEFER) > + return PTR_ERR(dpmac_dev); > + > if (IS_ERR_OR_NULL(dpmac_dev) || dpmac_dev->dev.type != &fsl_mc_bus_dpmac_type) Hi Ioana Given the previous change, i don't think dpmac_dev can be NULL, so you can change this to IS_ERR(). IS_ERR_OR_NULL() often triggers extra review work because it is easy to get it wrong, so removing it is nice. Andrew
On Thu, Jan 07, 2021 at 10:24:38PM +0100, Andrew Lunn wrote: > On Thu, Jan 07, 2021 at 05:36:36PM +0200, Ioana Ciornei wrote: > > From: Ioana Ciornei <ioana.ciornei@nxp.com> > > > > The fsl_mc_get_endpoint() function now returns -EPROBE_DEFER when the > > dpmac device was not yet discovered by the fsl-mc bus. When this > > happens, pass the error code up so that we can retry the probe at a > > later time. > > > > Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> > > --- > > drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c > > index f3f53e36aa00..3297e390476b 100644 > > --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c > > +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c > > @@ -4042,6 +4042,10 @@ static int dpaa2_eth_connect_mac(struct dpaa2_eth_priv *priv) > > > > dpni_dev = to_fsl_mc_device(priv->net_dev->dev.parent); > > dpmac_dev = fsl_mc_get_endpoint(dpni_dev); > > + > > + if (PTR_ERR(dpmac_dev) == -EPROBE_DEFER) > > + return PTR_ERR(dpmac_dev); > > + > > if (IS_ERR_OR_NULL(dpmac_dev) || dpmac_dev->dev.type != &fsl_mc_bus_dpmac_type) > > Hi Ioana > > Given the previous change, i don't think dpmac_dev can be NULL, so you > can change this to IS_ERR(). IS_ERR_OR_NULL() often triggers extra > review work because it is easy to get it wrong, so removing it is nice. > Indeed, fsl_mc_get_endpoint() does no longer return NULL. I'll change it to IS_ERR() in v2. Thanks!
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index f3f53e36aa00..3297e390476b 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -4042,6 +4042,10 @@ static int dpaa2_eth_connect_mac(struct dpaa2_eth_priv *priv) dpni_dev = to_fsl_mc_device(priv->net_dev->dev.parent); dpmac_dev = fsl_mc_get_endpoint(dpni_dev); + + if (PTR_ERR(dpmac_dev) == -EPROBE_DEFER) + return PTR_ERR(dpmac_dev); + if (IS_ERR_OR_NULL(dpmac_dev) || dpmac_dev->dev.type != &fsl_mc_bus_dpmac_type) return 0;