Re: [PATCH] staging: kpc2000: fix brace issues in kpc2000_spi.c

2019-07-01 Thread Greg KH
On Thu, Jun 27, 2019 at 09:53:23PM +0200, Simon Sandström wrote:
> 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 
> ---
>  drivers/staging/kpc2000/kpc2000_spi.c | 39 ++-
>  1 file changed, 14 insertions(+), 25 deletions(-)

Patch does not apply to my tree :(

Please rebase it and resend.

thanks,

greg k-h


[PATCH] staging: kpc2000: fix brace issues in kpc2000_spi.c

2019-06-27 Thread Simon Sandström
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 
---
 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(>transfers)) {
+   if (list_empty(>transfers))
return -EINVAL;
-   }
 
/* validate input */
list_for_each_entry(transfer, >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