mac80211: brcmfmac: restructuring sdio access functions - take 2

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

1 files changed, 32 insertions, 0 deletions

diff --git a/package/kernel/mac80211/patches/312-v4.16-0007-brcmfmac-remove-unnecessary-call-to-brcmf_sdiod_set_.patch b/package/kernel/mac80211/patches/312-v4.16-0007-brcmfmac-remove-unnecessary-call-to-brcmf_sdiod_set_.patch
new file mode 100644
index 0000000000..b9410dd7d0
--- /dev/null
+++ b/package/kernel/mac80211/patches/312-v4.16-0007-brcmfmac-remove-unnecessary-call-to-brcmf_sdiod_set_.patch
@@ -0,0 +1,32 @@
+From c900072bd6faff089aa4fb7b19136a2a0fe3baf0 Mon Sep 17 00:00:00 2001
+From: Ian Molton <ian@mnementh.co.uk>
+Date: Fri, 8 Dec 2017 13:10:32 +0100
+Subject: [PATCH] brcmfmac: remove unnecessary call to
+ brcmf_sdiod_set_backplane_window()
+
+All functions that might require the window address changing call
+brcmf_sdiod_set_backplane_window() prior to access. Thus resetting
+the window is not required.
+
+Signed-off-by: Ian Molton <ian@mnementh.co.uk>
+[arend: corrected the driver prefix in the subject]
+Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
+Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
+---
+ drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 5 -----
+ 1 file changed, 5 deletions(-)
+
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+@@ -723,11 +723,6 @@ brcmf_sdiod_ramrw(struct brcmf_sdio_dev
+ 
+ 	dev_kfree_skb(pkt);
+ 
+-	/* Return the window to backplane enumeration space for core access */
+-	if (brcmf_sdiod_set_backplane_window(sdiodev, sdiodev->sbwad))
+-		brcmf_err("FAILED to set window back to 0x%x\n",
+-			  sdiodev->sbwad);
+-
+ 	sdio_release_host(sdiodev->func[1]);
+ 
+ 	return err;