mac80211: backport "brcmfmac: cleanup and some rework" from 4.17

It was described by Arend as:

> This series is intended for 4.17 and includes following:
>
>  * rework bus layer attach code.
>  * remove duplicate variable declaration.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

1 files changed, 64 insertions, 0 deletions

diff --git a/package/kernel/mac80211/patches/325-v4.17-0007-brcmfmac-change-log-level-for-some-low-level-sdio-fu.patch b/package/kernel/mac80211/patches/325-v4.17-0007-brcmfmac-change-log-level-for-some-low-level-sdio-fu.patch
new file mode 100644
index 0000000000..344826912d
--- /dev/null
+++ b/package/kernel/mac80211/patches/325-v4.17-0007-brcmfmac-change-log-level-for-some-low-level-sdio-fu.patch
@@ -0,0 +1,64 @@
+From d678296bfb9a630d0000222fc21f4ed0d0d65332 Mon Sep 17 00:00:00 2001
+From: Arend Van Spriel <arend.vanspriel@broadcom.com>
+Date: Tue, 20 Feb 2018 00:14:24 +0100
+Subject: [PATCH] brcmfmac: change log level for some low-level sdio functions
+
+Reducing the number of trace level messages in sdio code giving
+them sdio log level instead.
+
+Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
+Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
+Reviewed-by: Franky Lin <franky.lin@broadcom.com>
+Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
+Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
+---
+ drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+@@ -1706,7 +1706,7 @@ brcmf_sdio_read_control(struct brcmf_sdi
+ 	u8 *buf = NULL, *rbuf;
+ 	int sdret;
+ 
+-	brcmf_dbg(TRACE, "Enter\n");
++	brcmf_dbg(SDIO, "Enter\n");
+ 	if (bus->rxblen)
+ 		buf = vzalloc(bus->rxblen);
+ 	if (!buf)
+@@ -1809,7 +1809,7 @@ static uint brcmf_sdio_readframes(struct
+ 	struct brcmf_sdio_hdrinfo *rd = &bus->cur_read, rd_new;
+ 	u8 head_read = 0;
+ 
+-	brcmf_dbg(TRACE, "Enter\n");
++	brcmf_dbg(SDIO, "Enter\n");
+ 
+ 	/* Not finished unless we encounter no more frames indication */
+ 	bus->rxpending = true;
+@@ -2344,7 +2344,7 @@ static int brcmf_sdio_tx_ctrlframe(struc
+ 	struct brcmf_sdio_hdrinfo hd_info = {0};
+ 	int ret;
+ 
+-	brcmf_dbg(TRACE, "Enter\n");
++	brcmf_dbg(SDIO, "Enter\n");
+ 
+ 	/* Back the pointer to make room for bus header */
+ 	frame -= bus->tx_hdrlen;
+@@ -2520,7 +2520,7 @@ static void brcmf_sdio_dpc(struct brcmf_
+ 	uint framecnt;			/* Temporary counter of tx/rx frames */
+ 	int err = 0;
+ 
+-	brcmf_dbg(TRACE, "Enter\n");
++	brcmf_dbg(SDIO, "Enter\n");
+ 
+ 	sdio_claim_host(bus->sdiodev->func1);
+ 
+@@ -2605,7 +2605,7 @@ static void brcmf_sdio_dpc(struct brcmf_
+ 
+ 	/* Would be active due to wake-wlan in gSPI */
+ 	if (intstatus & I_CHIPACTIVE) {
+-		brcmf_dbg(INFO, "Dongle reports CHIPACTIVE\n");
++		brcmf_dbg(SDIO, "Dongle reports CHIPACTIVE\n");
+ 		intstatus &= ~I_CHIPACTIVE;
+ 	}
+