linux-kernel - [PATCH v2 06/11] staging: pi433: Split rf69_set_crc

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Date:   Tue,  5 Dec 2017 23:08:44 +0100
From:   Simon Sandström <simon@...anor.nu>
To:     gregkh@...uxfoundation.org
Cc:     linux@...f-Entwicklungen.de, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 06/11] staging: pi433: Split rf69_set_crc_enabled into two functions

Splits rf69_set_crc_enabled(dev, enabled) into
rf69_enable_crc(dev) and rf69_disable_crc(dev).

Signed-off-by: Simon Sandström <simon@...anor.nu>
---
 drivers/staging/pi433/pi433_if.c | 22 ++++++++++++++++++++--
 drivers/staging/pi433/rf69.c     | 18 ++++++------------
 drivers/staging/pi433/rf69.h     |  4 ++--
 3 files changed, 28 insertions(+), 16 deletions(-)

diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index 2ae19ac565d1..614eec7dd904 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -216,7 +216,16 @@ rf69_set_rx_cfg(struct pi433_device *dev, struct pi433_rx_cfg *rx_cfg)
 			return ret;
 	}
 	SET_CHECKED(rf69_set_adressFiltering(dev->spi, rx_cfg->enable_address_filtering));
-	SET_CHECKED(rf69_set_crc_enable	    (dev->spi, rx_cfg->enable_crc));
+
+	if (rx_cfg->enable_crc == OPTION_ON) {
+		ret = rf69_enable_crc(dev->spi);
+		if (ret < 0)
+			return ret;
+	} else {
+		ret = rf69_disable_crc(dev->spi);
+		if (ret < 0)
+			return ret;
+	}
 
 	/* lengths */
 	SET_CHECKED(rf69_set_sync_size(dev->spi, rx_cfg->sync_length));
@@ -282,7 +291,16 @@ rf69_set_tx_cfg(struct pi433_device *dev, struct pi433_tx_cfg *tx_cfg)
 		if (ret < 0)
 			return ret;
 	}
-	SET_CHECKED(rf69_set_crc_enable	  (dev->spi, tx_cfg->enable_crc));
+
+	if (tx_cfg->enable_crc == OPTION_ON) {
+		ret = rf69_enable_crc(dev->spi);
+		if (ret < 0)
+			return ret;
+	} else {
+		ret = rf69_disable_crc(dev->spi);
+		if (ret < 0)
+			return ret;
+	}
 
 	/* configure sync, if enabled */
 	if (tx_cfg->enable_sync == OPTION_ON) {
diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
index b19bca8a0f26..612d59f61f88 100644
--- a/drivers/staging/pi433/rf69.c
+++ b/drivers/staging/pi433/rf69.c
@@ -822,20 +822,14 @@ int rf69_set_packet_format(struct spi_device *spi, enum packetFormat packetForma
 	}
 }
 
-int rf69_set_crc_enable(struct spi_device *spi,
-			enum option_on_off option_on_off)
+int rf69_enable_crc(struct spi_device *spi)
 {
-	#ifdef DEBUG
-		dev_dbg(&spi->dev, "set: crc enable");
-	#endif
+	return WRITE_REG(REG_PACKETCONFIG1, (READ_REG(REG_PACKETCONFIG1) |  MASK_PACKETCONFIG1_CRC_ON));
+}
 
-	switch (option_on_off) {
-	case OPTION_ON:  return WRITE_REG(REG_PACKETCONFIG1, (READ_REG(REG_PACKETCONFIG1) |  MASK_PACKETCONFIG1_CRC_ON));
-	case OPTION_OFF: return WRITE_REG(REG_PACKETCONFIG1, (READ_REG(REG_PACKETCONFIG1) & ~MASK_PACKETCONFIG1_CRC_ON));
-	default:
-		dev_dbg(&spi->dev, "set: illegal input param");
-		return -EINVAL;
-	}
+int rf69_disable_crc(struct spi_device *spi)
+{
+	return WRITE_REG(REG_PACKETCONFIG1, (READ_REG(REG_PACKETCONFIG1) & ~MASK_PACKETCONFIG1_CRC_ON));
 }
 
 int rf69_set_adressFiltering(struct spi_device *spi, enum addressFiltering addressFiltering)
diff --git a/drivers/staging/pi433/rf69.h b/drivers/staging/pi433/rf69.h
index 1cb6db33d6fe..9428dee97de7 100644
--- a/drivers/staging/pi433/rf69.h
+++ b/drivers/staging/pi433/rf69.h
@@ -66,8 +66,8 @@ int rf69_set_sync_size(struct spi_device *spi, u8 sync_size);
 int rf69_set_sync_tolerance(struct spi_device *spi, u8 syncTolerance);
 int rf69_set_sync_values(struct spi_device *spi, u8 syncValues[8]);
 int rf69_set_packet_format(struct spi_device *spi, enum packetFormat packetFormat);
-int rf69_set_crc_enable(struct spi_device *spi,
-			enum option_on_off option_on_off);
+int rf69_enable_crc(struct spi_device *spi);
+int rf69_disable_crc(struct spi_device *spi);
 int rf69_set_adressFiltering(struct spi_device *spi, enum addressFiltering addressFiltering);
 int rf69_set_payload_length(struct spi_device *spi, u8 payloadLength);
 u8  rf69_get_payload_length(struct spi_device *spi);
-- 
2.11.0