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From: Ben Whitten <ben.whitten@gmail.com>
To: starnight@g.ncu.edu.tw, jiri@resnulli.us, afaerber@suse.de
Cc: linux-lpwan@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org,
	Ben Whitten <ben.whitten@lairdtech.com>,
	"David S. Miller" <davem@davemloft.net>,
	linux-kernel@vger.kernel.org
Subject: [PATCH RFC lora-next 1/4] net: lora: sx125x sx1301: correct style warnings
Date: Wed, 19 Dec 2018 15:56:13 +0000	[thread overview]
Message-ID: <20181219155616.9547-2-ben.whitten@lairdtech.com> (raw)
In-Reply-To: <20181219155616.9547-1-ben.whitten@lairdtech.com>

Checkpatch highlights some style issues which need to be addressed.

Signed-off-by: Ben Whitten <ben.whitten@lairdtech.com>
---
 drivers/net/lora/sx125x.c | 20 +++++++++------
 drivers/net/lora/sx1301.c | 52 ++++++++++++++++++++++-----------------
 drivers/net/lora/sx1301.h |  7 +++---
 3 files changed, 45 insertions(+), 34 deletions(-)

diff --git a/drivers/net/lora/sx125x.c b/drivers/net/lora/sx125x.c
index b7ca782b9386..1a941f663c52 100644
--- a/drivers/net/lora/sx125x.c
+++ b/drivers/net/lora/sx125x.c
@@ -49,7 +49,7 @@ struct sx125x_priv {
 
 	struct device		*dev;
 	struct regmap		*regmap;
-	struct regmap_field     *regmap_fields[ARRAY_SIZE(sx125x_regmap_fields)];
+	struct regmap_field *regmap_fields[ARRAY_SIZE(sx125x_regmap_fields)];
 };
 
 #define to_clkout(_hw) container_of(_hw, struct sx125x_priv, clkout_hw)
@@ -67,13 +67,13 @@ static struct regmap_config __maybe_unused sx125x_regmap_config = {
 };
 
 static int sx125x_field_write(struct sx125x_priv *priv,
-		enum sx125x_fields field_id, u8 val)
+			      enum sx125x_fields field_id, u8 val)
 {
 	return regmap_field_write(priv->regmap_fields[field_id], val);
 }
 
 static int sx125x_field_read(struct sx125x_priv *priv,
-		enum sx125x_fields field_id, unsigned int *val)
+			     enum sx125x_fields field_id, unsigned int *val)
 {
 	return regmap_field_read(priv->regmap_fields[field_id], val);
 }
@@ -149,8 +149,12 @@ static int sx125x_register_clock_provider(struct sx125x_priv *priv)
 	init.num_parents = 1;
 	priv->clkout_hw.init = &init;
 
-	of_property_read_string_index(dev->of_node, "clock-output-names", 0,
-			&init.name);
+	ret = of_property_read_string_index(dev->of_node, "clock-output-names",
+					    0, &init.name);
+	if (ret) {
+		dev_err(dev, "unable to find output name\n");
+		return ret;
+	}
 
 	priv->clkout = devm_clk_register(dev, &priv->clkout_hw);
 	if (IS_ERR(priv->clkout)) {
@@ -158,7 +162,7 @@ static int sx125x_register_clock_provider(struct sx125x_priv *priv)
 		return PTR_ERR(priv->clkout);
 	}
 	ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_simple_get,
-			&priv->clkout_hw);
+				     &priv->clkout_hw);
 	return ret;
 }
 
@@ -180,8 +184,8 @@ static int __maybe_unused sx125x_regmap_probe(struct device *dev, struct regmap
 		const struct reg_field *reg_fields = sx125x_regmap_fields;
 
 		priv->regmap_fields[i] = devm_regmap_field_alloc(dev,
-				priv->regmap,
-				reg_fields[i]);
+								 priv->regmap,
+								 reg_fields[i]);
 		if (IS_ERR(priv->regmap_fields[i])) {
 			ret = PTR_ERR(priv->regmap_fields[i]);
 			dev_err(dev, "Cannot allocate regmap field: %d\n", ret);
diff --git a/drivers/net/lora/sx1301.c b/drivers/net/lora/sx1301.c
index 23cbddc364e5..e75df93b96d8 100644
--- a/drivers/net/lora/sx1301.c
+++ b/drivers/net/lora/sx1301.c
@@ -1,6 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Semtech SX1301 LoRa concentrator
+/* Semtech SX1301 LoRa concentrator
  *
  * Copyright (c) 2018 Andreas Färber
  * Copyright (c) 2018 Ben Whitten
@@ -55,12 +54,13 @@ static struct regmap_config sx1301_regmap_config = {
 };
 
 static int sx1301_field_write(struct sx1301_priv *priv,
-		enum sx1301_fields field_id, u8 val)
+			      enum sx1301_fields field_id, u8 val)
 {
 	return regmap_field_write(priv->regmap_fields[field_id], val);
 }
 
-static int sx1301_agc_ram_read(struct sx1301_priv *priv, u8 addr, unsigned int *val)
+static int sx1301_agc_ram_read(struct sx1301_priv *priv, u8 addr,
+			       unsigned int *val)
 {
 	int ret;
 
@@ -79,7 +79,8 @@ static int sx1301_agc_ram_read(struct sx1301_priv *priv, u8 addr, unsigned int *
 	return 0;
 }
 
-static int sx1301_arb_ram_read(struct sx1301_priv *priv, u8 addr, unsigned int *val)
+static int sx1301_arb_ram_read(struct sx1301_priv *priv, u8 addr,
+			       unsigned int *val)
 {
 	int ret;
 
@@ -98,7 +99,8 @@ static int sx1301_arb_ram_read(struct sx1301_priv *priv, u8 addr, unsigned int *
 	return 0;
 }
 
-static int sx1301_load_firmware(struct sx1301_priv *priv, int mcu, const struct firmware *fw)
+static int sx1301_load_firmware(struct sx1301_priv *priv, int mcu,
+				const struct firmware *fw)
 {
 	u8 *buf;
 	enum sx1301_fields rst, select_mux;
@@ -165,7 +167,8 @@ static int sx1301_load_firmware(struct sx1301_priv *priv, int mcu, const struct
 	}
 
 	if (memcmp(fw->data, buf, fw->size)) {
-		dev_err(priv->dev, "MCU prom data read does not match data written\n");
+		dev_err(priv->dev,
+			"MCU prom data read does not match data written\n");
 		kfree(buf);
 		return -ENXIO;
 	}
@@ -228,11 +231,12 @@ static int sx1301_agc_calibrate(struct sx1301_priv *priv)
 		return ret;
 	}
 
-	dev_info(priv->dev, "AGC calibration firmware version %u\n", (unsigned)val);
+	dev_info(priv->dev, "AGC calibration firmware version %u\n", val);
 
 	if (val != SX1301_MCU_AGC_CAL_FW_VERSION) {
-		dev_err(priv->dev, "unexpected firmware version, expecting %u\n",
-				SX1301_MCU_AGC_CAL_FW_VERSION);
+		dev_err(priv->dev,
+			"unexpected firmware version, expecting %u\n",
+			SX1301_MCU_AGC_CAL_FW_VERSION);
 		return -ENXIO;
 	}
 
@@ -257,7 +261,7 @@ static int sx1301_agc_calibrate(struct sx1301_priv *priv)
 		return ret;
 	}
 
-	dev_info(priv->dev, "AGC status: %02x\n", (unsigned)val);
+	dev_info(priv->dev, "AGC status: %02x\n", val);
 	if ((val & (BIT(7) | BIT(0))) != (BIT(7) | BIT(0))) {
 		dev_err(priv->dev, "AGC calibration failed\n");
 		return -ENXIO;
@@ -328,11 +332,12 @@ static int sx1301_load_all_firmware(struct sx1301_priv *priv)
 		return ret;
 	}
 
-	dev_info(priv->dev, "AGC firmware version %u\n", (unsigned)val);
+	dev_info(priv->dev, "AGC firmware version %u\n", val);
 
 	if (val != SX1301_MCU_AGC_FW_VERSION) {
-		dev_err(priv->dev, "unexpected firmware version, expecting %u\n",
-				SX1301_MCU_AGC_FW_VERSION);
+		dev_err(priv->dev,
+			"unexpected firmware version, expecting %u\n",
+			SX1301_MCU_AGC_FW_VERSION);
 		return -ENXIO;
 	}
 
@@ -342,18 +347,20 @@ static int sx1301_load_all_firmware(struct sx1301_priv *priv)
 		return ret;
 	}
 
-	dev_info(priv->dev, "ARB firmware version %u\n", (unsigned)val);
+	dev_info(priv->dev, "ARB firmware version %u\n", val);
 
 	if (val != SX1301_MCU_ARB_FW_VERSION) {
-		dev_err(priv->dev, "unexpected firmware version, expecting %u\n",
-				SX1301_MCU_ARB_FW_VERSION);
+		dev_err(priv->dev,
+			"unexpected firmware version, expecting %u\n",
+			SX1301_MCU_ARB_FW_VERSION);
 		return -ENXIO;
 	}
 
 	return 0;
 }
 
-static netdev_tx_t sx130x_loradev_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t sx130x_loradev_start_xmit(struct sk_buff *skb,
+					     struct net_device *netdev)
 {
 	if (skb->protocol != htons(ETH_P_LORA)) {
 		kfree_skb(skb);
@@ -489,11 +496,12 @@ static int sx1301_probe(struct spi_device *spi)
 		const struct reg_field *reg_fields = sx1301_regmap_fields;
 
 		priv->regmap_fields[i] = devm_regmap_field_alloc(&spi->dev,
-				priv->regmap,
-				reg_fields[i]);
+								 priv->regmap,
+								 reg_fields[i]);
 		if (IS_ERR(priv->regmap_fields[i])) {
 			ret = PTR_ERR(priv->regmap_fields[i]);
-			dev_err(&spi->dev, "Cannot allocate regmap field: %d\n", ret);
+			dev_err(&spi->dev,
+				"Cannot allocate regmap field: %d\n", ret);
 			return ret;
 		}
 	}
@@ -553,7 +561,7 @@ static int sx1301_probe(struct spi_device *spi)
 		return ret;
 	}
 
-	msleep(5);
+	usleep_range(5000, 6000);
 
 	ret = sx1301_field_write(priv, F_RADIO_RST, 0);
 	if (ret) {
diff --git a/drivers/net/lora/sx1301.h b/drivers/net/lora/sx1301.h
index a1a2e388207e..dd2b7da94fcc 100644
--- a/drivers/net/lora/sx1301.h
+++ b/drivers/net/lora/sx1301.h
@@ -1,6 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Semtech SX1301 LoRa concentrator
+/* Semtech SX1301 LoRa concentrator
  *
  * Copyright (c) 2018   Ben Whitten
  * Copyright (c) 2018 Andreas Färber
@@ -34,7 +33,7 @@
 
 #define SX1301_VIRT_BASE    0x100
 #define SX1301_PAGE_LEN     0x80
-#define SX1301_PAGE_BASE(n) (SX1301_VIRT_BASE + (SX1301_PAGE_LEN * n))
+#define SX1301_PAGE_BASE(n) (SX1301_VIRT_BASE + (SX1301_PAGE_LEN * (n)))
 
 /* Page 0 */
 #define SX1301_CHRS         (SX1301_PAGE_BASE(0) + 0x23)
@@ -112,7 +111,7 @@ struct sx1301_priv {
 	struct clk		*clk32m;
 	struct gpio_desc *rst_gpio;
 	struct regmap		*regmap;
-	struct regmap_field     *regmap_fields[ARRAY_SIZE(sx1301_regmap_fields)];
+	struct regmap_field *regmap_fields[ARRAY_SIZE(sx1301_regmap_fields)];
 };
 
 int __init sx130x_radio_init(void);
-- 
2.17.1


       reply	other threads:[~2018-12-19 15:56 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20181219155616.9547-1-ben.whitten@lairdtech.com>
2018-12-19 15:56 ` Ben Whitten [this message]
2018-12-29  0:05   ` Andreas Färber
2019-01-05  7:36     ` Ben Whitten
2018-12-19 15:56 ` [PATCH RFC lora-next 2/4] net: lora: sx1301: add minimal to get AGC working prior to tx work Ben Whitten
2018-12-29  0:58   ` Andreas Färber
2019-01-04 12:42     ` Ben Whitten
2018-12-19 15:56 ` [PATCH RFC lora-next 3/4] net: lora: sx1301: add minimal to get transmission out Ben Whitten
2018-12-30 20:21   ` Andreas Färber
2018-12-19 15:56 ` [PATCH RFC lora-next 4/4] net: lora: sx1301: introduce a lora frame for packet metadata Ben Whitten
2018-12-30 23:38   ` Andreas Färber

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