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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@nikanor.nu>
Link: https://lore.kernel.org/r/20190701091819.18528-1-simon@nikanor.nu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Simon Sandström 2019-07-01 11:18:19 +02:00 committed by Greg Kroah-Hartman
parent feb20855a3
commit 6a2ac8d4bf
1 changed files with 12 additions and 21 deletions
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33
drivers/staging/kpc2000/kpc2000_spi.c
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@ -165,9 +165,9 @@ 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;
}
@ -192,11 +192,10 @@ 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();
}
@ -269,9 +268,8 @@ 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;
@ -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 +412,8 @@ kp_spi_cleanup(struct spi_device *spidev)
{
struct kp_spi_controller_state *cs = spidev->controller_state;
if (cs) {
if (cs)
kfree(cs);
}
}
/******************
@ -464,9 +456,8 @@ 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) {