wl1271: Add support for NVS files with 5GHz band parameters
This patch adds support for NVS files with 5GHz band parameters. The change
is done in a backward compatible manner - if 11a is not enabled in the driver,
the driver will allow also old NVS files to be loaded.
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_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index b7d9137..5568f55 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -566,14 +566,21 @@
return ret;
}
- if (fw->size != sizeof(struct wl1271_nvs_file)) {
+ /*
+ * FIXME: the LEGACY NVS image support (NVS's missing the 5GHz band
+ * configurations) can be removed when those NVS files stop floating
+ * around.
+ */
+ if (fw->size != sizeof(struct wl1271_nvs_file) &&
+ (fw->size != WL1271_INI_LEGACY_NVS_FILE_SIZE ||
+ wl1271_11a_enabled())) {
wl1271_error("nvs size is not as expected: %zu != %zu",
fw->size, sizeof(struct wl1271_nvs_file));
ret = -EILSEQ;
goto out;
}
- wl->nvs = kmalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
+ wl->nvs = kzalloc(sizeof(struct wl1271_nvs_file), GFP_KERNEL);
if (!wl->nvs) {
wl1271_error("could not allocate memory for the nvs file");
@@ -581,7 +588,7 @@
goto out;
}
- memcpy(wl->nvs, fw->data, sizeof(struct wl1271_nvs_file));
+ memcpy(wl->nvs, fw->data, fw->size);
out:
release_firmware(fw);