mac80211: brcmfmac: backport more kernel 5.4 changes

Patch getting RAM info got upstreamed. A debugging fs entry for testing
reset feature was added.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 681acdcc54d2e59135bb706c38bed942f74ccf74)

1 files changed, 26 insertions, 0 deletions

diff --git a/package/kernel/mac80211/patches/472-v5.4-brcmfmac-remove-redundant-assignment-to-pointer-hash.patch b/package/kernel/mac80211/patches/472-v5.4-brcmfmac-remove-redundant-assignment-to-pointer-hash.patch
new file mode 100644
index 0000000000..1de2e748ca
--- /dev/null
+++ b/package/kernel/mac80211/patches/472-v5.4-brcmfmac-remove-redundant-assignment-to-pointer-hash.patch
@@ -0,0 +1,26 @@
+From 73c742bb9c9ba30871fdd5c730d5ca8b6712833a Mon Sep 17 00:00:00 2001
+From: Colin Ian King <colin.king@canonical.com>
+Date: Fri, 9 Aug 2019 18:22:17 +0100
+Subject: [PATCH] brcmfmac: remove redundant assignment to pointer hash
+
+The pointer hash is being initialized with a value that is never read
+and is being re-assigned a little later on. The assignment is
+redundant and hence can be removed.
+
+Addresses-Coverity: ("Unused value")
+Signed-off-by: Colin Ian King <colin.king@canonical.com>
+Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
+---
+ drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
+@@ -1478,7 +1478,6 @@ static int brcmf_msgbuf_stats_read(struc
+ 	seq_printf(seq, "\nh2d_flowrings: depth %u\n",
+ 		   BRCMF_H2D_TXFLOWRING_MAX_ITEM);
+ 	seq_puts(seq, "Active flowrings:\n");
+-	hash = msgbuf->flow->hash;
+ 	for (i = 0; i < msgbuf->flow->nrofrings; i++) {
+ 		if (!msgbuf->flow->rings[i])
+ 			continue;