staging: wilc1000: remove function pointer wlan_handle_rx_isr

This patch removes function pointer wlan_handle_rx_isr and just call
the function wilc_handle_isr.
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/linux_wlan.c

@@ -313,10 +313,7 @@ irqreturn_t isr_bh_routine(int irq, void *userdata)
 	}
 
 	PRINT_D(INT_DBG, "Interrupt received BH\n");
-	if (g_linux_wlan->oup.wlan_handle_rx_isr != 0)
-		g_linux_wlan->oup.wlan_handle_rx_isr();
-	else
-		PRINT_ER("wlan_handle_rx_isr() hasn't been initialized\n");
+	wilc_handle_isr();
 
 	return IRQ_HANDLED;
 }

drivers/staging/wilc1000/wilc_wlan.c

@@ -2028,7 +2028,6 @@ int wilc_wlan_init(wilc_wlan_inp_t *inp, wilc_wlan_oup_t *oup)
 	/**
 	 *      export functions
 	 **/
-	oup->wlan_handle_rx_isr = wilc_handle_isr;
 	oup->wlan_cleanup = wilc_wlan_cleanup;
 	oup->wlan_cfg_set = wilc_wlan_cfg_set;
 	oup->wlan_cfg_get = wilc_wlan_cfg_get;

drivers/staging/wilc1000/wilc_wlan.h

@@ -311,4 +311,5 @@ int wilc_wlan_stop(void);
 int wilc_wlan_txq_add_net_pkt(void *priv, u8 *buffer, u32 buffer_size,
 			      wilc_tx_complete_func_t func);
 int wilc_wlan_handle_txq(u32 *pu32TxqCount);
+void wilc_handle_isr(void);
 #endif

drivers/staging/wilc1000/wilc_wlan_if.h

@@ -122,7 +122,6 @@ typedef void (*wilc_tx_complete_func_t)(void *, int);
 #define WILC_TX_ERR_NO_BUF	(-2)
 
 typedef struct {
-	void (*wlan_handle_rx_isr)(void);
 	void (*wlan_cleanup)(void);
 	int (*wlan_cfg_set)(int, u32, u8 *, u32, int, u32);
 	int (*wlan_cfg_get)(int, u32, int, u32);