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drivers/serial/uart_16550.c: fix complie warning and writing style.

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change argue type from 'uint32_t' to 'unsigned int' in fucntion
'u16550_receive'.

Signed-off-by: zhongan <zhongan@xiaomi.com>
This commit is contained in:
zhongan 2020-12-24 17:48:24 +08:00 committed by Xiang Xiao
parent 08b22784c3
commit d5d6690ebc
1 changed files with 19 additions and 18 deletions
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31
drivers/serial/uart_16550.c
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@ -95,12 +95,12 @@ static int u16550_attach(FAR struct uart_dev_s *dev);
static void u16550_detach(FAR struct uart_dev_s *dev);
static int u16550_interrupt(int irq, FAR void *context, FAR void *arg);
static int u16550_ioctl(FAR struct file *filep, int cmd, unsigned long arg);
static int u16550_receive(FAR struct uart_dev_s *dev, uint32_t *status);
static int u16550_receive(FAR struct uart_dev_s *dev, unsigned int *status);
static void u16550_rxint(FAR struct uart_dev_s *dev, bool enable);
static bool u16550_rxavailable(FAR struct uart_dev_s *dev);
#ifdef CONFIG_SERIAL_IFLOWCONTROL
static bool u16550_rxflowcontrol(struct uart_dev_s *dev, unsigned int nbuffered,
bool upper);
static bool u16550_rxflowcontrol(struct uart_dev_s *dev,
unsigned int nbuffered, bool upper);
#endif
#ifdef CONFIG_SERIAL_TXDMA
static void u16550_dmasend(FAR struct uart_dev_s *dev);
@ -319,7 +319,6 @@ static uart_dev_t g_uart3port =
};
#endif
/* Which UART with be tty0/console and which tty1? tty2? tty3? */
#ifdef CONFIG_16550_SERIAL_DISABLE_REORDERING
@ -523,7 +522,8 @@ static uart_dev_t g_uart3port =
* Name: u16550_serialin
****************************************************************************/
static inline uart_datawidth_t u16550_serialin(FAR struct u16550_s *priv, int offset)
static inline uart_datawidth_t u16550_serialin(FAR struct u16550_s *priv,
int offset)
{
#ifdef CONFIG_SERIAL_UART_ARCH_MMIO
return *((FAR volatile uart_addrwidth_t *)priv->uartbase + offset);
@ -746,14 +746,15 @@ static void u16550_shutdown(struct uart_dev_s *dev)
* Name: u16550_attach
*
* Description:
* Configure the UART to operation in interrupt driven mode. This method is
* called when the serial port is opened. Normally, this is just after the
* Configure the UART to operation in interrupt driven mode. This method
* is called when the serial port is opened. Normally, this is just after
* the setup() method is called, however, the serial console may operate in
* a non-interrupt driven mode during the boot phase.
*
* RX and TX interrupts are not enabled when by the attach method (unless the
* hardware supports multiple levels of interrupt enabling). The RX and TX
* interrupts are not enabled until the txint() and rxint() methods are called.
* RX and TX interrupts are not enabled when by the attach method (unless
* the hardware supports multiple levels of interrupt enabling). The RX
* and TX interrupts are not enabled until the txint() and rxint() methods
* are called.
*
****************************************************************************/
@ -784,8 +785,8 @@ static int u16550_attach(struct uart_dev_s *dev)
*
* Description:
* Detach UART interrupts. This method is called when the serial port is
* closed normally just before the shutdown method is called. The exception is
* the serial console which is never shutdown.
* closed normally just before the shutdown method is called.
* The exception is the serial console which is never shutdown.
*
****************************************************************************/
@ -1080,7 +1081,7 @@ static int u16550_ioctl(struct file *filep, int cmd, unsigned long arg)
*
****************************************************************************/
static int u16550_receive(struct uart_dev_s *dev, uint32_t *status)
static int u16550_receive(struct uart_dev_s *dev, unsigned int *status)
{
FAR struct u16550_s *priv = (FAR struct u16550_s *)dev->priv;
uint32_t rbr;
@ -1137,8 +1138,8 @@ static bool u16550_rxavailable(struct uart_dev_s *dev)
****************************************************************************/
#ifdef CONFIG_SERIAL_IFLOWCONTROL
static bool u16550_rxflowcontrol(struct uart_dev_s *dev, unsigned int nbuffered,
bool upper)
static bool u16550_rxflowcontrol(struct uart_dev_s *dev,
unsigned int nbuffered, bool upper)
{
#ifndef CONFIG_16550_SUPRESS_CONFIG
FAR struct u16550_s *priv = (FAR struct u16550_s *)dev->priv;