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Message-ID: <20190626073531.8946-5-fabian.krueger@fau.de>
Date:   Wed, 26 Jun 2019 09:35:22 +0200
From:   Fabian Krueger <fabian.krueger@....de>
To:     unlisted-recipients:; (no To-header on input)
CC:     <fabian.krueger@....de>,
        Michael Scheiderer <michael.scheiderer@....de>,
        <linux-kernel@...cs.fau.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <devel@...verdev.osuosl.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 4/8] staging: kpc2000: remove unnecessary brackets

Removed brackets on around one-lined if-cases.
This refactoring makes the code more readable.

Signed-off-by: Fabian Krueger <fabian.krueger@....de>
Signed-off-by: Michael Scheiderer <michael.scheiderer@....de>
Cc: <linux-kernel@...cs.fau.de>
---
 drivers/staging/kpc2000/kpc2000_spi.c | 30 +++++++++------------------
 1 file changed, 10 insertions(+), 20 deletions(-)

diff --git a/drivers/staging/kpc2000/kpc2000_spi.c b/drivers/staging/kpc2000/kpc2000_spi.c
index 42d32de2230e..b4dba0e42c72 100644
--- a/drivers/staging/kpc2000/kpc2000_spi.c
+++ b/drivers/staging/kpc2000/kpc2000_spi.c
@@ -165,9 +165,8 @@ kp_spi_read_reg(struct kp_spi_controller_state *cs, int idx)
 	u64 val;
 
 	addr += idx;
-	if ((idx == KP_SPI_REG_CONFIG) && (cs->conf_cache >= 0)){
+	if ((idx == KP_SPI_REG_CONFIG) && (cs->conf_cache >= 0))
 		return cs->conf_cache;
-	}
 	val = readq(addr);
 	return val;
 }
@@ -192,11 +191,10 @@ kp_spi_wait_for_reg_bit(struct kp_spi_controller_state *cs, int idx,
 	timeout = jiffies + msecs_to_jiffies(1000);
 	while (!(kp_spi_read_reg(cs, idx) & bit)) {
 		if (time_after(jiffies, timeout)) {
-			if (!(kp_spi_read_reg(cs, idx) & bit)) {
+			if (!(kp_spi_read_reg(cs, idx) & bit))
 				return -ETIMEDOUT;
-			} else {
+			else
 				return 0;
-			}
 		}
 		cpu_relax();
 	}
@@ -305,9 +303,8 @@ kp_spi_transfer_one_message(struct spi_master *master, struct spi_message *m)
 	cs = spidev->controller_state;
 
 	/* reject invalid messages and transfers */
-	if (list_empty(&m->transfers)) {
+	if (list_empty(&m->transfers))
 		return -EINVAL;
-	}
 
 	/* validate input */
 	list_for_each_entry(transfer, &m->transfers, transfer_list) {
@@ -365,17 +362,14 @@ kp_spi_transfer_one_message(struct spi_master *master, struct spi_message *m)
 			sc.reg = kp_spi_read_reg(cs, KP_SPI_REG_CONFIG);
 
 			/* ...direction */
-			if (transfer->tx_buf) {
+			if (transfer->tx_buf)
 				sc.bitfield.trm = KP_SPI_REG_CONFIG_TRM_TX;
-			}
-			else if (transfer->rx_buf) {
+			else if (transfer->rx_buf)
 				sc.bitfield.trm = KP_SPI_REG_CONFIG_TRM_RX;
-			}
 
 			/* ...word length */
-			if (transfer->bits_per_word) {
+			if (transfer->bits_per_word)
 				word_len = transfer->bits_per_word;
-			}
 			sc.bitfield.wl = word_len-1;
 
 			/* ...chip select */
@@ -394,9 +388,8 @@ kp_spi_transfer_one_message(struct spi_master *master, struct spi_message *m)
 			}
 		}
 
-		if (transfer->delay_usecs) {
+		if (transfer->delay_usecs)
 			udelay(transfer->delay_usecs);
-		}
 	}
 
 	/* de-assert chip select to end the sequence */
@@ -419,9 +412,7 @@ kp_spi_cleanup(struct spi_device *spidev)
 {
 	struct kp_spi_controller_state *cs = spidev->controller_state;
 
-	if (cs) {
-		kfree(cs);
-	}
+	kfree(cs);
 }
 
 /******************
@@ -463,9 +454,8 @@ kp_spi_probe(struct platform_device *pldev)
 	kpspi->dev = &pldev->dev;
 
 	master->num_chipselect = 4;
-	if (pldev->id != -1) {
+	if (pldev->id != -1)
 		master->bus_num = pldev->id;
-	}
 
 	r = platform_get_resource(pldev, IORESOURCE_MEM, 0);
 	if (r == NULL) {
-- 
2.17.1

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