orinoco: Provide option to avoid unnecessary fw caching

Make firmware caching on startup optional, and make it default.

When the option is not selected and PM_SLEEP is configured, then
cache firmware in the suspend pm_notifier. This configuration saves
about 64k RAM in normal use, but can lead to a situation where the
driver is configured to use a different firmware.

Signed-off by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/wireless/orinoco/orinoco.h b/drivers/net/wireless/orinoco/orinoco.h
index f6eaea98db53..00750c8ba7db 100644
--- a/drivers/net/wireless/orinoco/orinoco.h
+++ b/drivers/net/wireless/orinoco/orinoco.h
@@ -10,6 +10,7 @@
 #define DRIVER_VERSION "0.15"
 
 #include <linux/interrupt.h>
+#include <linux/suspend.h>
 #include <linux/netdevice.h>
 #include <linux/wireless.h>
 #include <net/iw_handler.h>
@@ -170,6 +171,8 @@ struct orinoco_private {
         /* Cached in memory firmware to use during ->resume. */
         const struct firmware *cached_pri_fw;
         const struct firmware *cached_fw;
+
+        struct notifier_block pm_notifier;
 };
 
 #ifdef ORINOCO_DEBUG