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| author | Alison Wang <b18965@freescale.com> | 2016-03-02 11:00:37 +0800 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-03-14 15:34:50 -0600 |
| commit | 055457ef25357d1921a8ed13ebfd32c526f12106 (patch) | |
| tree | c97826f8e0ad88c7e486b4cdae2cda56d3495621 /drivers/serial/serial_s3c24x0.c | |
| parent | c5917b4b054d60c6c495f06b0538afed39dfe343 (diff) | |
| download | u-boot-imx-055457ef25357d1921a8ed13ebfd32c526f12106.zip u-boot-imx-055457ef25357d1921a8ed13ebfd32c526f12106.tar.gz u-boot-imx-055457ef25357d1921a8ed13ebfd32c526f12106.tar.bz2 | |
serial: Move carriage return before line feed for some serial drivers
In general, a carriage return needs to execute before a line feed.
The patch is to change some serial drivers based on this rule, such
as serial_mxc.c, serial_pxa.c, serial_s3c24x0.c and usbtty.c.
Signed-off-by: Alison Wang <alison.wang@nxp.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers/serial/serial_s3c24x0.c')
| -rw-r--r-- | drivers/serial/serial_s3c24x0.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/serial/serial_s3c24x0.c b/drivers/serial/serial_s3c24x0.c index d4e7df2..0f0878a 100644 --- a/drivers/serial/serial_s3c24x0.c +++ b/drivers/serial/serial_s3c24x0.c @@ -135,14 +135,14 @@ static void _serial_putc(const char c, const int dev_index) { struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index); + /* If \n, also do \r */ + if (c == '\n') + serial_putc('\r'); + while (!(readl(&uart->utrstat) & 0x2)) /* wait for room in the tx FIFO */ ; writeb(c, &uart->utxh); - - /* If \n, also do \r */ - if (c == '\n') - serial_putc('\r'); } static inline void serial_putc_dev(unsigned int dev_index, const char c) |