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Message-Id: <20190627195323.28913-1-simon@nikanor.nu>
Date: Thu, 27 Jun 2019 21:53:23 +0200
From: Simon Sandström <simon@...anor.nu>
To: gregkh@...uxfoundation.org
Cc: gneukum1@...il.com, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org,
Simon Sandström <simon@...anor.nu>
Subject: [PATCH] staging: kpc2000: fix brace issues in kpc2000_spi.c
Fixes issues found by checkpatch:
- "WARNING: braces {} are not necessary for single statement blocks"
- "WARNING: braces {} are not necessary for any arm of this statement"
Signed-off-by: Simon Sandström <simon@...anor.nu>
---
drivers/staging/kpc2000/kpc2000_spi.c | 39 ++++++++++-----------------
1 file changed, 14 insertions(+), 25 deletions(-)
diff --git a/drivers/staging/kpc2000/kpc2000_spi.c b/drivers/staging/kpc2000/kpc2000_spi.c
index 98484fbb9d2e..76db8e8510df 100644
--- a/drivers/staging/kpc2000/kpc2000_spi.c
+++ b/drivers/staging/kpc2000/kpc2000_spi.c
@@ -164,9 +164,9 @@ 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;
}
@@ -188,11 +188,10 @@ kp_spi_wait_for_reg_bit(struct kp_spi_controller_state *cs, int idx, unsigned lo
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();
}
@@ -215,9 +214,8 @@ kp_spi_txrx_pio(struct spi_device *spidev, struct spi_transfer *transfer)
for (i = 0 ; i < c ; i++) {
char val = *tx++;
- if (kp_spi_wait_for_reg_bit(cs, KP_SPI_REG_STATUS, KP_SPI_REG_STATUS_TXS) < 0) {
+ if (kp_spi_wait_for_reg_bit(cs, KP_SPI_REG_STATUS, KP_SPI_REG_STATUS_TXS) < 0)
goto out;
- }
kp_spi_write_reg(cs, KP_SPI_REG_TXDATA, val);
processed++;
@@ -229,9 +227,8 @@ kp_spi_txrx_pio(struct spi_device *spidev, struct spi_transfer *transfer)
kp_spi_write_reg(cs, KP_SPI_REG_TXDATA, 0x00);
- if (kp_spi_wait_for_reg_bit(cs, KP_SPI_REG_STATUS, KP_SPI_REG_STATUS_RXS) < 0) {
+ if (kp_spi_wait_for_reg_bit(cs, KP_SPI_REG_STATUS, KP_SPI_REG_STATUS_RXS) < 0)
goto out;
- }
test = kp_spi_read_reg(cs, KP_SPI_REG_RXDATA);
*rx++ = test;
@@ -261,9 +258,8 @@ kp_spi_setup(struct spi_device *spidev)
cs = spidev->controller_state;
if (!cs) {
cs = kzalloc(sizeof(*cs), GFP_KERNEL);
- if (!cs) {
+ if (!cs)
return -ENOMEM;
- }
cs->base = kpspi->base;
cs->conf_cache = -1;
spidev->controller_state = cs;
@@ -297,9 +293,8 @@ 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) {
@@ -353,17 +348,14 @@ 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 */
@@ -382,9 +374,8 @@ 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 */
@@ -406,9 +397,8 @@ kp_spi_transfer_one_message(struct spi_master *master, struct spi_message *m)
kp_spi_cleanup(struct spi_device *spidev)
{
struct kp_spi_controller_state *cs = spidev->controller_state;
- if (cs) {
+ if (cs)
kfree(cs);
- }
}
/******************
@@ -450,9 +440,8 @@ 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) {
--
2.20.1
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