libertas: support boot commands to write persistent firmware and bootloader
Add locking and non-locking versions of if_usb_prog_firmware to support
programming firmware after and before driver bring-up respectively. Add more
suitable error codes for firmware programming process. Add capability checks
for persistent features before attempting to use them.
Based on patches from Brajesh Dave and Priyank Singh.
Signed-off-by: Brian Cavagnolo <brian@cozybit.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/if_usb.h b/drivers/net/wireless/libertas/if_usb.h
index 5771a83..5ba0aee 100644
--- a/drivers/net/wireless/libertas/if_usb.h
+++ b/drivers/net/wireless/libertas/if_usb.h
@@ -30,6 +30,7 @@
#define BOOT_CMD_RESP_OK 0x0001
#define BOOT_CMD_RESP_FAIL 0x0000
+#define BOOT_CMD_RESP_NOT_SUPPORTED 0x0002
struct bootcmdresp
{
@@ -50,6 +51,10 @@
uint8_t ep_in;
uint8_t ep_out;
+ /* bootcmdresp == 0 means command is pending
+ * bootcmdresp < 0 means error
+ * bootcmdresp > 0 is a BOOT_CMD_RESP_* from firmware
+ */
int8_t bootcmdresp;
int ep_in_size;