On Thu, 2020-03-26 at 15:51 +0200, Florinel Iordache wrote: > Enable backplane support for qoriq family of devices trivial notes: > diff --git a/drivers/net/phy/backplane/qoriq_backplane.c b/drivers/net/phy/backplane/qoriq_backplane.c [] > +static int qoriq_backplane_probe(struct phy_device *bpphy) > +{ > + static bool one_time_action = true; > + > + if (one_time_action) { > + one_time_action = false; > + pr_info("%s: QorIQ Backplane driver version %s\n", > + QORIQ_BACKPLANE_DRIVER_NAME, > + QORIQ_BACKPLANE_DRIVER_VERSION); > + } There is an existing mechanism for this: pr_info_once("%s: ... %s\n", etc...); [] > +static int qoriq_backplane_config_init(struct phy_device *bpphy) > +{ [] > + for (i = 0; i < bp_phy->num_lanes; i++) { [] > + ret = of_address_to_resource(lane_node, 0, &res); > + if (ret) { > + bpdev_err(bpphy, > + "could not obtain lane memory map for index=%d, ret = %d\n", > + i, ret); > + return ret; This could use the new vsprintf %pe extension: bpdev_err(bpphy, "could not obtain lane memory map for index=%d, %pe\n", i, ERR_PTR(ret)); > + ret = of_address_to_resource(serdes_node, 0, &res); > + if (ret) { > + bpdev_err(bpphy, > + "could not obtain serdes memory map, ret = %d\n", > + ret); > + return ret; %pe etc. [] > + for (i = 0; i < comp_no; i++) { > + ret = of_property_read_string_index(serdes_node, "compatible", > + i, &serdes_comp); > + if (ret == 0) { > + if (!strcasecmp(serdes_comp, "serdes-10g")) { > + serdes_type = SERDES_10G; > + break; > + } else if (!strcasecmp(serdes_comp, "serdes-28g")) { > + serdes_type = SERDES_28G; > + break; > + } > + } > + } [] > +static int qoriq_backplane_match_phy_device(struct phy_device *bpphy) > +{ [] > + for (i = 0; i < comp_no; i++) { > + ret = of_property_read_string_index(serdes_node, "compatible", > + i, &serdes_comp); > + if (ret == 0) { > + if (!strcasecmp(serdes_comp, "serdes-10g")) { > + serdes_type = SERDES_10G; > + break; > + } else if (!strcasecmp(serdes_comp, "serdes-28g")) { > + serdes_type = SERDES_28G; > + break; > + } > + } > + } [] Maybe add and use a helper function?