wl1271: Add sysfs file to retrieve HW PG-version and ROM-version
This patch reads the HW PG version (along with a ROM-version, embedded in the
same value) from the wl1271 hardware and publishes the value in a sysfs -file.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index 7e79715..139a1e0 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -440,11 +440,23 @@
return 0;
}
+static void wl1271_boot_hw_version(struct wl1271 *wl)
+{
+ u32 fuse;
+
+ fuse = wl1271_top_reg_read(wl, REG_FUSE_DATA_2_1);
+ fuse = (fuse & PG_VER_MASK) >> PG_VER_OFFSET;
+
+ wl->hw_pg_ver = (s8)fuse;
+}
+
int wl1271_boot(struct wl1271 *wl)
{
int ret = 0;
u32 tmp, clk, pause;
+ wl1271_boot_hw_version(wl);
+
if (REF_CLOCK == 0 || REF_CLOCK == 2 || REF_CLOCK == 4)
/* ref clk: 19.2/38.4/38.4-XTAL */
clk = 0x3;