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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_pxa.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_pxa.c')
| -rw-r--r-- | drivers/serial/serial_pxa.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/serial/serial_pxa.c b/drivers/serial/serial_pxa.c index 8fbcc10..1eb19ec 100644 --- a/drivers/serial/serial_pxa.c +++ b/drivers/serial/serial_pxa.c @@ -156,6 +156,10 @@ void pxa_putc_dev(unsigned int uart_index, const char c) { struct pxa_uart_regs *uart_regs; + /* If \n, also do \r */ + if (c == '\n') + pxa_putc_dev(uart_index, '\r'); + uart_regs = pxa_uart_index_to_regs(uart_index); if (!uart_regs) hang(); @@ -163,10 +167,6 @@ void pxa_putc_dev(unsigned int uart_index, const char c) while (!(readl(&uart_regs->lsr) & LSR_TEMT)) WATCHDOG_RESET(); writel(c, &uart_regs->thr); - - /* If \n, also do \r */ - if (c == '\n') - pxa_putc_dev (uart_index,'\r'); } /* |