mac80211: backport some brcmfmac patches

There are two important patches in this patchset: updating read pointer
quicker & rework of .get_station().
There are few more upstream patches that are p2p-related and weren't
backported in this commit.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

Backport of r46084

git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@46100 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 39 insertions, 0 deletions

diff --git a/package/kernel/mac80211/patches/386-brcmfmac-remove-chipinfo-debugfs-entry.patch b/package/kernel/mac80211/patches/386-brcmfmac-remove-chipinfo-debugfs-entry.patch
new file mode 100644
index 0000000000..9e5b48608d
--- /dev/null
+++ b/package/kernel/mac80211/patches/386-brcmfmac-remove-chipinfo-debugfs-entry.patch
@@ -0,0 +1,39 @@
+From: Arend van Spriel <arend@broadcom.com>
+Date: Mon, 8 Jun 2015 14:38:33 +0200
+Subject: [PATCH] brcmfmac: remove chipinfo debugfs entry
+
+The information provided by chipinfo is also provided by the
+revinfo debugfs entry. Removing it from debugfs.
+
+Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
+Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
+Signed-off-by: Arend van Spriel <arend@broadcom.com>
+Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
+---
+
+--- a/drivers/net/wireless/brcm80211/brcmfmac/debug.c
++++ b/drivers/net/wireless/brcm80211/brcmfmac/debug.c
+@@ -41,15 +41,6 @@ void brcmf_debugfs_exit(void)
+ 	root_folder = NULL;
+ }
+ 
+-static int brcmf_debugfs_chipinfo_read(struct seq_file *seq, void *data)
+-{
+-	struct brcmf_bus *bus = dev_get_drvdata(seq->private);
+-
+-	seq_printf(seq, "chip: %x(%u) rev %u\n",
+-		   bus->chip, bus->chip, bus->chiprev);
+-	return 0;
+-}
+-
+ int brcmf_debugfs_attach(struct brcmf_pub *drvr)
+ {
+ 	struct device *dev = drvr->bus_if->dev;
+@@ -58,7 +49,6 @@ int brcmf_debugfs_attach(struct brcmf_pu
+ 		return -ENODEV;
+ 
+ 	drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder);
+-	brcmf_debugfs_add_entry(drvr, "chipinfo", brcmf_debugfs_chipinfo_read);
+ 
+ 	return PTR_ERR_OR_ZERO(drvr->dbgfs_dir);
+ }