staging: brcm80211: remove function pointer of interrupt isr in brcmfmac

The use of function pointer of bus interrupt isr is no longer needed
in fullmac as there is only one available isr.

Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/bcmsdh.c

@@ -53,10 +53,9 @@ brcmf_sdcard_iovar_op(struct brcmf_sdio_dev *sdiodev, const char *name,
 				    len, set);
 }
 
-int brcmf_sdcard_intr_reg(struct brcmf_sdio_dev *sdiodev,
-			  void (*fn)(void *), void *argh)
+int brcmf_sdcard_intr_reg(struct brcmf_sdio_dev *sdiodev)
 {
-	return brcmf_sdioh_interrupt_register(sdiodev->sdioh, fn, argh);
+	return brcmf_sdioh_interrupt_register(sdiodev->sdioh);
 }
 
 int brcmf_sdcard_intr_dereg(struct brcmf_sdio_dev *sdiodev)

drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c

@@ -228,19 +228,9 @@ extern int brcmf_sdioh_detach(struct sdioh_info *sd)
 
 /* Configure callback to client when we receive client interrupt */
 extern int
-brcmf_sdioh_interrupt_register(struct sdioh_info *sd, void (*fn)(void *),
-			       void *argh)
+brcmf_sdioh_interrupt_register(struct sdioh_info *sd)
 {
 	BRCMF_TRACE(("%s: Entering\n", __func__));
-	if (fn == NULL) {
-		BRCMF_ERROR(("%s: interrupt handler is NULL, not registering\n",
-			__func__));
-		return -EINVAL;
-	}
-
-	sd->intr_handler = fn;
-	sd->intr_handler_arg = argh;
-	sd->intr_handler_valid = true;
 
 	/* register and unmask irq */
 	if (gInstance->func[2]) {
@@ -277,10 +267,6 @@ extern int brcmf_sdioh_interrupt_deregister(struct sdioh_info *sd)
 		sdio_release_host(gInstance->func[2]);
 	}
 
-	sd->intr_handler_valid = false;
-	sd->intr_handler = NULL;
-	sd->intr_handler_arg = NULL;
-
 	return 0;
 }
 
@@ -877,6 +863,7 @@ brcmf_sdioh_card_regread(struct sdioh_info *sd, int func, u32 regaddr,
 static void brcmf_sdioh_irqhandler(struct sdio_func *func)
 {
 	struct sdioh_info *sd;
+	struct brcmf_sdio_dev *sdiodev = dev_get_drvdata(&func->card->dev);
 
 	BRCMF_TRACE(("brcmf: ***IRQHandler\n"));
 	sd = gInstance->sd;
@@ -884,7 +871,7 @@ static void brcmf_sdioh_irqhandler(struct sdio_func *func)
 	sdio_release_host(gInstance->func[0]);
 
 	sd->intrcount++;
-	(sd->intr_handler) (sd->intr_handler_arg);
+	brcmf_sdbrcm_isr(sdiodev->bus);
 
 	sdio_claim_host(gInstance->func[0]);
 }

drivers/staging/brcm80211/brcmfmac/dhd_sdio.c

@@ -5424,6 +5424,7 @@ void *brcmf_sdbrcm_probe(u16 bus_no, u16 slot, u16 func, uint bustype,
 		goto fail;
 	}
 	bus->sdiodev = sdiodev;
+	sdiodev->bus = bus;
 	bus->bus = BRCMF_BUS;
 	bus->tx_seq = SDPCM_SEQUENCE_WRAP - 1;
 	bus->usebufpool = false;	/* Use bufpool if allocated,
@@ -5506,7 +5507,7 @@ void *brcmf_sdbrcm_probe(u16 bus_no, u16 slot, u16 func, uint bustype,
 	/* Register interrupt callback, but mask it (not operational yet). */
 	BRCMF_INTR(("%s: disable SDIO interrupts (not interested yet)\n",
 		    __func__));
-	ret = brcmf_sdcard_intr_reg(bus->sdiodev, brcmf_sdbrcm_isr, bus);
+	ret = brcmf_sdcard_intr_reg(bus->sdiodev);
 	if (ret != 0) {
 		BRCMF_ERROR(("%s: FAILED: sdcard_intr_reg returned %d\n",
 			     __func__, ret));

drivers/staging/brcm80211/brcmfmac/sdio_host.h

@@ -124,9 +124,6 @@ struct brcmf_sdreg {
 
 struct sdioh_info {
 	struct osl_info *osh;		/* osh handler */
-	bool intr_handler_valid; /* client driver interrupt handler valid */
-	void (*intr_handler)(void *);	/* registered interrupt handler */
-	void *intr_handler_arg;	/* argument to call interrupt handler */
 
 	uint irq;		/* Client irq */
 	int intrcount;		/* Client interrupts */
@@ -159,8 +156,7 @@ struct brcmf_sdio_dev {
 
 /* Register/deregister device interrupt handler. */
 extern int
-brcmf_sdcard_intr_reg(struct brcmf_sdio_dev *sdiodev,
-		      void (*fn)(void *), void *argh);
+brcmf_sdcard_intr_reg(struct brcmf_sdio_dev *sdiodev);
 
 extern int brcmf_sdcard_intr_dereg(struct brcmf_sdio_dev *sdiodev);
 
@@ -278,8 +274,7 @@ extern struct sdioh_info *brcmf_sdioh_attach(void *cfghdl);
 extern int brcmf_sdioh_detach(struct sdioh_info *si);
 
 extern int
-brcmf_sdioh_interrupt_register(struct sdioh_info *si,
-			       void (*sdioh_cb_fn)(void *), void *argh);
+brcmf_sdioh_interrupt_register(struct sdioh_info *si);
 
 extern int brcmf_sdioh_interrupt_deregister(struct sdioh_info *si);
 
@@ -328,4 +323,5 @@ extern struct brcmf_sdmmc_instance *gInstance;
 extern void *brcmf_sdbrcm_probe(u16 bus_no, u16 slot, u16 func, uint bustype,
 				u32 regsva, struct brcmf_sdio_dev *sdiodev);
 extern void brcmf_sdbrcm_disconnect(void *ptr);
+extern void brcmf_sdbrcm_isr(void *arg);
 #endif				/* _BRCM_SDH_H_ */