diff options
author | Simon Sandström <simon@nikanor.nu> | 2019-07-01 12:18:19 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-03 19:32:09 +0300 |
commit | 6a2ac8d4bf91d56c6335db0fc0585b9788397a3b (patch) | |
tree | 4f3815b878f317e26e12c0551043ea3b04045fcf /drivers/staging/kpc2000 | |
parent | feb20855a32ae62315038bac59a92d6489ea9cbe (diff) | |
download | linux-6a2ac8d4bf91d56c6335db0fc0585b9788397a3b.tar.xz |
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>
Diffstat (limited to 'drivers/staging/kpc2000')
-rw-r--r-- | drivers/staging/kpc2000/kpc2000_spi.c | 33 |
1 files changed, 12 insertions, 21 deletions
diff --git a/drivers/staging/kpc2000/kpc2000_spi.c b/drivers/staging/kpc2000/kpc2000_spi.c index 021cc859feed..009dec2f4641 100644 --- a/drivers/staging/kpc2000/kpc2000_spi.c +++ b/drivers/staging/kpc2000/kpc2000_spi.c @@ -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) { |