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Message-Id: <20181219155616.9547-2-ben.whitten@lairdtech.com>
Date: Wed, 19 Dec 2018 15:56:13 +0000
From: Ben Whitten <ben.whitten@...il.com>
To: starnight@...cu.edu.tw, jiri@...nulli.us, afaerber@...e.de
Cc: linux-lpwan@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
Ben Whitten <ben.whitten@...rdtech.com>,
"David S. Miller" <davem@...emloft.net>,
linux-kernel@...r.kernel.org
Subject: [PATCH RFC lora-next 1/4] net: lora: sx125x sx1301: correct style warnings
Checkpatch highlights some style issues which need to be addressed.
Signed-off-by: Ben Whitten <ben.whitten@...rdtech.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
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