linux-kernel - [PATCH] wlcore: add missing nvs file name info for wilink8

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Date:   Mon, 3 Jul 2017 10:54:43 +0000
From:   "Reizer, Eyal" <eyalr@...com>
To:     Kalle Valo <kvalo@...eaurora.org>,
        ",Tony Lindgren" <tony@...mide.com>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] wlcore: add missing nvs file name info for wilink8

When working with wl18xx the nvs file is used for defining an alternate
mac address and override the default mac address that is stored inside
the wl18xx chip.
update the structure field with the same default nvs file name that has
been used in the past, otherwise userspace backward compatibility is
broken when upgrading from older kernels, as the alternate mac address
would not be read from the nvs that is already present in the file system
(lib/firmware/ti-connectivity/wl1271-nvs.bin) causing mac address change
of the wlan interface.

Signed-off-by: Eyal Reizer <eyalr@...com>
---
 drivers/net/wireless/ti/wlcore/sdio.c | 1 +
 drivers/net/wireless/ti/wlcore/spi.c  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ti/wlcore/sdio.c b/drivers/net/wireless/ti/wlcore/sdio.c
index 2fb3871..f8a1fea 100644
--- a/drivers/net/wireless/ti/wlcore/sdio.c
+++ b/drivers/net/wireless/ti/wlcore/sdio.c
@@ -230,6 +230,7 @@ static const struct wilink_family_data wl128x_data = {
 static const struct wilink_family_data wl18xx_data = {
 	.name = "wl18xx",
 	.cfg_name = "ti-connectivity/wl18xx-conf.bin",
+	.nvs_name = "ti-connectivity/wl1271-nvs.bin",
 };
 
 static const struct of_device_id wlcore_sdio_of_match_table[] = {
diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c
index fdabb92..62ce54a 100644
--- a/drivers/net/wireless/ti/wlcore/spi.c
+++ b/drivers/net/wireless/ti/wlcore/spi.c
@@ -92,6 +92,7 @@ static const struct wilink_family_data wl128x_data = {
 static const struct wilink_family_data wl18xx_data = {
 	.name = "wl18xx",
 	.cfg_name = "ti-connectivity/wl18xx-conf.bin",
+	.nvs_name = "ti-connectivity/wl1271-nvs.bin",
 };
 
 struct wl12xx_spi_glue {
-- 
2.7.4