kernel: split patches folder up into backport, pending and hack folders

* properly format/comment all patches
* merge debloat patches
* merge Kconfig patches
* merge swconfig patches
* merge hotplug patches
* drop 200-fix_localversion.patch - upstream
* drop 222-arm_zimage_none.patch - unused
* drop 252-mv_cesa_depends.patch - no longer required
* drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused
* drop 661-fq_codel_keep_dropped_stats.patch - outdated
* drop 702-phy_add_aneg_done_function.patch - upstream
* drop 840-rtc7301.patch - unused
* drop 841-rtc_pt7c4338.patch - upstream
* drop 921-use_preinit_as_init.patch - unused
* drop spio-gpio-old and gpio-mmc - unused

Signed-off-by: John Crispin <john@phrozen.org>

1 files changed, 65 insertions, 0 deletions

diff --git a/target/linux/generic/pending-4.9/272-uapi-if_ether.h-prevent-redefinition-of-struct-ethhd.patch b/target/linux/generic/pending-4.9/272-uapi-if_ether.h-prevent-redefinition-of-struct-ethhd.patch
new file mode 100644
index 0000000000..7b7b403ed0
--- /dev/null
+++ b/target/linux/generic/pending-4.9/272-uapi-if_ether.h-prevent-redefinition-of-struct-ethhd.patch
@@ -0,0 +1,65 @@
+From: David Heidelberger <david.heidelberger@ixit.cz>
+Subject: uapi/if_ether.h: prevent redefinition of struct ethhdr
+
+Musl provides its own ethhdr struct definition. Add a guard to prevent
+its definition of the appropriate musl header has already been included.
+
+Signed-off-by: John Spencer <maillist-linux@barfooze.de>
+Tested-by: David Heidelberger <david.heidelberger@ixit.cz>
+Signed-off-by: Jonas Gorski <jogo@openwrt.org>
+---
+ include/uapi/linux/if_ether.h    |  3 +++
+ include/uapi/linux/libc-compat.h | 11 +++++++++++
+ 2 files changed, 14 insertions(+)
+
+--- a/include/uapi/linux/if_ether.h
++++ b/include/uapi/linux/if_ether.h
+@@ -22,6 +22,7 @@
+ #define _UAPI_LINUX_IF_ETHER_H
+ 
+ #include <linux/types.h>
++#include <linux/libc-compat.h>
+ 
+ /*
+  *	IEEE 802.3 Ethernet magic constants.  The frame sizes omit the preamble
+@@ -138,11 +139,13 @@
+  *	This is an Ethernet frame header.
+  */
+ 
++#if __UAPI_DEF_ETHHDR
+ struct ethhdr {
+ 	unsigned char	h_dest[ETH_ALEN];	/* destination eth addr	*/
+ 	unsigned char	h_source[ETH_ALEN];	/* source ether addr	*/
+ 	__be16		h_proto;		/* packet type ID field	*/
+ } __attribute__((packed));
++#endif
+ 
+ 
+ #endif /* _UAPI_LINUX_IF_ETHER_H */
+--- a/include/uapi/linux/libc-compat.h
++++ b/include/uapi/linux/libc-compat.h
+@@ -89,6 +89,14 @@
+ 
+ #endif /* _NET_IF_H */
+ 
++/* musl defines the ethhdr struct itself in its netinet/if_ether.h.
++ * Glibc just includes the kernel header and uses a different guard. */
++#if defined(_NETINET_IF_ETHER_H)
++#define __UAPI_DEF_ETHHDR		0
++#else
++#define __UAPI_DEF_ETHHDR		1
++#endif
++
+ /* Coordinate with libc netinet/in.h header. */
+ #if defined(_NETINET_IN_H)
+ 
+@@ -184,6 +192,9 @@
+ /* For the future if glibc adds IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */
+ #define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1
+ 
++/* Definitions for if_ether.h */
++#define __UAPI_DEF_ETHHDR 		1
++
+ /* Definitions for in.h */
+ #define __UAPI_DEF_IN_ADDR		1
+ #define __UAPI_DEF_IN_IPPROTO		1