soc: qcom: wcnss_ctrl: Introduce local variable "dev"

Introduce a local variable to carry the struct device *, to reduce the
line lengths in the next patch.
Tested-by: NAníbal Limón <anibal.limon@linaro.org>
Link: https://lore.kernel.org/r/20210312003318.3273536-4-bjorn.andersson@linaro.orgSigned-off-by: NBjorn Andersson <bjorn.andersson@linaro.org>

drivers/soc/qcom/wcnss_ctrl.c

@@ -199,6 +199,7 @@ static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc)
 {
 	struct wcnss_download_nv_req *req;
 	const struct firmware *fw;
+	struct device *dev = wcnss->dev;
 	const void *data;
 	ssize_t left;
 	int ret;
@@ -207,9 +208,9 @@ static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc)
 	if (!req)
 		return -ENOMEM;
 
-	ret = request_firmware(&fw, NVBIN_FILE, wcnss->dev);
+	ret = request_firmware(&fw, NVBIN_FILE, dev);
 	if (ret < 0) {
-		dev_err(wcnss->dev, "Failed to load nv file %s: %d\n",
+		dev_err(dev, "Failed to load nv file %s: %d\n",
 			NVBIN_FILE, ret);
 		goto free_req;
 	}
@@ -235,7 +236,7 @@ static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc)
 
 		ret = rpmsg_send(wcnss->channel, req, req->hdr.len);
 		if (ret < 0) {
-			dev_err(wcnss->dev, "failed to send smd packet\n");
+			dev_err(dev, "failed to send smd packet\n");
 			goto release_fw;
 		}
 
@@ -248,7 +249,7 @@ static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc)
 
 	ret = wait_for_completion_timeout(&wcnss->ack, WCNSS_REQUEST_TIMEOUT);
 	if (!ret) {
-		dev_err(wcnss->dev, "timeout waiting for nv upload ack\n");
+		dev_err(dev, "timeout waiting for nv upload ack\n");
 		ret = -ETIMEDOUT;
 	} else {
 		*expect_cbc = wcnss->ack_status == WCNSS_ACK_COLD_BOOTING;