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author | Adrian Schmutzler <freifunk@adrianschmutzler.de> | 2020-09-11 18:38:57 +0200 |
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committer | Adrian Schmutzler <freifunk@adrianschmutzler.de> | 2020-09-11 18:40:44 +0200 |
commit | 14024f6e0fe883ae413b87391121bb6e221c9312 (patch) | |
tree | f38867b6da60952ca4d881cde26f7e17a59c2ce2 /target/linux/generic/backport-5.4/716-v5.4-net-sfp-move-fwnode-parsing-into-sfp-bus-layer.patch | |
parent | 4527f59428954ca07bebbfd339de504e5babf8e5 (diff) | |
download | upstream-14024f6e0fe883ae413b87391121bb6e221c9312.tar.gz upstream-14024f6e0fe883ae413b87391121bb6e221c9312.tar.bz2 upstream-14024f6e0fe883ae413b87391121bb6e221c9312.zip |
kernel: use proper upstream inclusion version for patch
The patch is only included in kernel 5.5.
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Diffstat (limited to 'target/linux/generic/backport-5.4/716-v5.4-net-sfp-move-fwnode-parsing-into-sfp-bus-layer.patch')
-rw-r--r-- | target/linux/generic/backport-5.4/716-v5.4-net-sfp-move-fwnode-parsing-into-sfp-bus-layer.patch | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/target/linux/generic/backport-5.4/716-v5.4-net-sfp-move-fwnode-parsing-into-sfp-bus-layer.patch b/target/linux/generic/backport-5.4/716-v5.4-net-sfp-move-fwnode-parsing-into-sfp-bus-layer.patch deleted file mode 100644 index 92fe224873..0000000000 --- a/target/linux/generic/backport-5.4/716-v5.4-net-sfp-move-fwnode-parsing-into-sfp-bus-layer.patch +++ /dev/null @@ -1,179 +0,0 @@ -From 4054955f0da08c81d42220cb445820d474f1ac92 Mon Sep 17 00:00:00 2001 -From: Russell King <rmk+kernel@armlinux.org.uk> -Date: Sat, 14 Sep 2019 14:21:22 +0100 -Subject: [PATCH 614/660] net: sfp: move fwnode parsing into sfp-bus layer - -Rather than parsing the sfp firmware node in phylink, parse it in the -sfp-bus code, so we can re-use this code for PHYs without having to -duplicate the parsing. - -Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> ---- - drivers/net/phy/phylink.c | 21 ++++--------- - drivers/net/phy/sfp-bus.c | 65 +++++++++++++++++++++++++-------------- - include/linux/sfp.h | 10 +++--- - 3 files changed, 53 insertions(+), 43 deletions(-) - ---- a/drivers/net/phy/phylink.c -+++ b/drivers/net/phy/phylink.c -@@ -565,26 +565,17 @@ static const struct sfp_upstream_ops sfp - static int phylink_register_sfp(struct phylink *pl, - struct fwnode_handle *fwnode) - { -- struct fwnode_reference_args ref; -+ struct sfp_bus *bus; - int ret; - -- if (!fwnode) -- return 0; -- -- ret = fwnode_property_get_reference_args(fwnode, "sfp", NULL, -- 0, 0, &ref); -- if (ret < 0) { -- if (ret == -ENOENT) -- return 0; -- -- phylink_err(pl, "unable to parse \"sfp\" node: %d\n", -- ret); -+ bus = sfp_register_upstream_node(fwnode, pl, &sfp_phylink_ops); -+ if (IS_ERR(bus)) { -+ ret = PTR_ERR(bus); -+ phylink_err(pl, "unable to attach SFP bus: %d\n", ret); - return ret; - } - -- pl->sfp_bus = sfp_register_upstream(ref.fwnode, pl, &sfp_phylink_ops); -- if (!pl->sfp_bus) -- return -ENOMEM; -+ pl->sfp_bus = bus; - - return 0; - } ---- a/drivers/net/phy/sfp-bus.c -+++ b/drivers/net/phy/sfp-bus.c -@@ -4,6 +4,7 @@ - #include <linux/list.h> - #include <linux/mutex.h> - #include <linux/phylink.h> -+#include <linux/property.h> - #include <linux/rtnetlink.h> - #include <linux/slab.h> - -@@ -520,45 +521,63 @@ static void sfp_upstream_clear(struct sf - } - - /** -- * sfp_register_upstream() - Register the neighbouring device -- * @fwnode: firmware node for the SFP bus -+ * sfp_register_upstream_node() - parse and register the neighbouring device -+ * @fwnode: firmware node for the parent device (MAC or PHY) - * @upstream: the upstream private data - * @ops: the upstream's &struct sfp_upstream_ops - * -- * Register the upstream device (eg, PHY) with the SFP bus. MAC drivers -- * should use phylink, which will call this function for them. Returns -- * a pointer to the allocated &struct sfp_bus. -+ * Parse the parent device's firmware node for a SFP bus, and register the -+ * SFP bus using sfp_register_upstream(). - * -- * On error, returns %NULL. -+ * Returns: on success, a pointer to the sfp_bus structure, -+ * %NULL if no SFP is specified, -+ * on failure, an error pointer value: -+ * corresponding to the errors detailed for -+ * fwnode_property_get_reference_args(). -+ * %-ENOMEM if we failed to allocate the bus. -+ * an error from the upstream's connect_phy() method. - */ --struct sfp_bus *sfp_register_upstream(struct fwnode_handle *fwnode, -- void *upstream, -- const struct sfp_upstream_ops *ops) --{ -- struct sfp_bus *bus = sfp_bus_get(fwnode); -- int ret = 0; -- -- if (bus) { -- rtnl_lock(); -- bus->upstream_ops = ops; -- bus->upstream = upstream; -+struct sfp_bus *sfp_register_upstream_node(struct fwnode_handle *fwnode, -+ void *upstream, -+ const struct sfp_upstream_ops *ops) -+{ -+ struct fwnode_reference_args ref; -+ struct sfp_bus *bus; -+ int ret; - -- if (bus->sfp) { -- ret = sfp_register_bus(bus); -- if (ret) -- sfp_upstream_clear(bus); -- } -- rtnl_unlock(); -+ ret = fwnode_property_get_reference_args(fwnode, "sfp", NULL, -+ 0, 0, &ref); -+ if (ret == -ENOENT) -+ return NULL; -+ else if (ret < 0) -+ return ERR_PTR(ret); -+ -+ bus = sfp_bus_get(ref.fwnode); -+ fwnode_handle_put(ref.fwnode); -+ if (!bus) -+ return ERR_PTR(-ENOMEM); -+ -+ rtnl_lock(); -+ bus->upstream_ops = ops; -+ bus->upstream = upstream; -+ -+ if (bus->sfp) { -+ ret = sfp_register_bus(bus); -+ if (ret) -+ sfp_upstream_clear(bus); -+ } else { -+ ret = 0; - } -+ rtnl_unlock(); - - if (ret) { - sfp_bus_put(bus); -- bus = NULL; -+ bus = ERR_PTR(ret); - } - - return bus; - } --EXPORT_SYMBOL_GPL(sfp_register_upstream); -+EXPORT_SYMBOL_GPL(sfp_register_upstream_node); - - /** - * sfp_unregister_upstream() - Unregister sfp bus ---- a/include/linux/sfp.h -+++ b/include/linux/sfp.h -@@ -508,9 +508,9 @@ int sfp_get_module_eeprom(struct sfp_bus - u8 *data); - void sfp_upstream_start(struct sfp_bus *bus); - void sfp_upstream_stop(struct sfp_bus *bus); --struct sfp_bus *sfp_register_upstream(struct fwnode_handle *fwnode, -- void *upstream, -- const struct sfp_upstream_ops *ops); -+struct sfp_bus *sfp_register_upstream_node(struct fwnode_handle *fwnode, -+ void *upstream, -+ const struct sfp_upstream_ops *ops); - void sfp_unregister_upstream(struct sfp_bus *bus); - #else - static inline int sfp_parse_port(struct sfp_bus *bus, -@@ -553,11 +553,11 @@ static inline void sfp_upstream_stop(str - { - } - --static inline struct sfp_bus *sfp_register_upstream( -+static inline struct sfp_bus *sfp_register_upstream_node( - struct fwnode_handle *fwnode, void *upstream, - const struct sfp_upstream_ops *ops) - { -- return (struct sfp_bus *)-1; -+ return NULL; - } - - static inline void sfp_unregister_upstream(struct sfp_bus *bus) |