staging: wfx: change the field chip_frozen into a boolean

The field chip_frozen is declared as an integer, but it is only used as
a boolean. So, convert it into a boolean.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200427134031.323403-3-Jerome.Pouiller@silabs.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wfx/hif_rx.c

@@ -316,7 +316,7 @@ static int hif_exception_indication(struct wfx_dev *wdev,
 
 	dev_err(wdev->dev, "firmware exception\n");
 	print_hex_dump_bytes("Dump: ", DUMP_PREFIX_NONE, buf, len);
-	wdev->chip_frozen = 1;
+	wdev->chip_frozen = true;
 
 	return -1;
 }

drivers/staging/wfx/hif_tx.c

@@ -91,7 +91,7 @@ int wfx_cmd_send(struct wfx_dev *wdev, struct hif_msg *request, void *reply,
 	if (!ret) {
 		dev_err(wdev->dev, "chip did not answer\n");
 		wfx_pending_dump_old_frames(wdev, 3000);
-		wdev->chip_frozen = 1;
+		wdev->chip_frozen = true;
 		reinit_completion(&wdev->hif_cmd.done);
 		ret = -ETIMEDOUT;
 	} else {

drivers/staging/wfx/queue.c

@@ -52,7 +52,7 @@ void wfx_tx_flush(struct wfx_dev *wdev)
 			 wdev->hif.tx_buffers_used);
 		wfx_pending_dump_old_frames(wdev, 3000);
 		// FIXME: drop pending frames here
-		wdev->chip_frozen = 1;
+		wdev->chip_frozen = true;
 	}
 	mutex_unlock(&wdev->hif_cmd.lock);
 	wfx_tx_unlock(wdev);

drivers/staging/wfx/wfx.h

@@ -45,7 +45,7 @@ struct wfx_dev {
 	struct hif_ind_startup	hw_caps;
 	struct wfx_hif		hif;
 	struct sl_context	sl;
-	int			chip_frozen;
+	bool			chip_frozen;
 	struct mutex		conf_mutex;
 
 	struct wfx_hif_cmd	hif_cmd;