diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/sprd_serial.c | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c index 8d5c9cd6024c..4287ca305b6b 100644 --- a/drivers/tty/serial/sprd_serial.c +++ b/drivers/tty/serial/sprd_serial.c @@ -68,24 +68,24 @@ #define SPRD_LCR_DATA_LEN6 0x4 #define SPRD_LCR_DATA_LEN7 0x8 #define SPRD_LCR_DATA_LEN8 0xc -#define SPRD_LCR_PARITY (BIT(0) | BIT(1)) +#define SPRD_LCR_PARITY (BIT(0) | BIT(1)) #define SPRD_LCR_PARITY_EN 0x2 #define SPRD_LCR_EVEN_PAR 0x0 #define SPRD_LCR_ODD_PAR 0x1 /* control register 1 */ -#define SPRD_CTL1 0x001C +#define SPRD_CTL1 0x001C #define RX_HW_FLOW_CTL_THLD BIT(6) #define RX_HW_FLOW_CTL_EN BIT(7) #define TX_HW_FLOW_CTL_EN BIT(8) #define RX_TOUT_THLD_DEF 0x3E00 -#define RX_HFC_THLD_DEF 0x40 +#define RX_HFC_THLD_DEF 0x40 /* fifo threshold register */ #define SPRD_CTL2 0x0020 -#define THLD_TX_EMPTY 0x40 +#define THLD_TX_EMPTY 0x40 #define THLD_TX_EMPTY_SHIFT 8 -#define THLD_RX_FULL 0x40 +#define THLD_RX_FULL 0x40 /* config baud rate register */ #define SPRD_CLKD0 0x0024 @@ -95,11 +95,11 @@ #define SPRD_CLKD1_SHIFT 16 /* interrupt mask status register */ -#define SPRD_IMSR 0x002C -#define SPRD_IMSR_RX_FIFO_FULL BIT(0) +#define SPRD_IMSR 0x002C +#define SPRD_IMSR_RX_FIFO_FULL BIT(0) #define SPRD_IMSR_TX_FIFO_EMPTY BIT(1) -#define SPRD_IMSR_BREAK_DETECT BIT(7) -#define SPRD_IMSR_TIMEOUT BIT(13) +#define SPRD_IMSR_BREAK_DETECT BIT(7) +#define SPRD_IMSR_TIMEOUT BIT(13) struct sprd_uart_port { struct uart_port port; @@ -229,7 +229,7 @@ static inline void sprd_rx(struct uart_port *port) port->icount.rx++; if (lsr & (SPRD_LSR_BI | SPRD_LSR_PE | - SPRD_LSR_FE | SPRD_LSR_OE)) + SPRD_LSR_FE | SPRD_LSR_OE)) if (handle_lsr_errors(port, &lsr, &flag)) continue; if (uart_handle_sysrq_char(port, ch)) @@ -292,8 +292,8 @@ static irqreturn_t sprd_handle_irq(int irq, void *dev_id) if (ims & SPRD_IMSR_TIMEOUT) serial_out(port, SPRD_ICLR, SPRD_ICLR_TIMEOUT); - if (ims & (SPRD_IMSR_RX_FIFO_FULL | - SPRD_IMSR_BREAK_DETECT | SPRD_IMSR_TIMEOUT)) + if (ims & (SPRD_IMSR_RX_FIFO_FULL | SPRD_IMSR_BREAK_DETECT | + SPRD_IMSR_TIMEOUT)) sprd_rx(port); if (ims & SPRD_IMSR_TX_FIFO_EMPTY) @@ -333,7 +333,7 @@ static int sprd_startup(struct uart_port *port) sp = container_of(port, struct sprd_uart_port, port); snprintf(sp->name, sizeof(sp->name), "sprd_serial%d", port->line); ret = devm_request_irq(port->dev, port->irq, sprd_handle_irq, - IRQF_SHARED, sp->name, port); + IRQF_SHARED, sp->name, port); if (ret) { dev_err(port->dev, "fail to request serial irq %d, ret=%d\n", port->irq, ret); @@ -361,8 +361,8 @@ static void sprd_shutdown(struct uart_port *port) } static void sprd_set_termios(struct uart_port *port, - struct ktermios *termios, - struct ktermios *old) + struct ktermios *termios, + struct ktermios *old) { unsigned int baud, quot; unsigned int lcr = 0, fc; @@ -480,8 +480,7 @@ static void sprd_config_port(struct uart_port *port, int flags) port->type = PORT_SPRD; } -static int sprd_verify_port(struct uart_port *port, - struct serial_struct *ser) +static int sprd_verify_port(struct uart_port *port, struct serial_struct *ser) { if (ser->type != PORT_SPRD) return -EINVAL; @@ -531,7 +530,7 @@ static void sprd_console_putchar(struct uart_port *port, int ch) } static void sprd_console_write(struct console *co, const char *s, - unsigned int count) + unsigned int count) { struct uart_port *port = &sprd_port[co->index]->port; int locked = 1; @@ -594,7 +593,7 @@ static void sprd_putc(struct uart_port *port, int c) unsigned int timeout = SPRD_TIMEOUT; while (timeout-- && - !(readl(port->membase + SPRD_LSR) & SPRD_LSR_TX_OVER)) + !(readl(port->membase + SPRD_LSR) & SPRD_LSR_TX_OVER)) cpu_relax(); writeb(c, port->membase + SPRD_TXD); @@ -607,9 +606,8 @@ static void sprd_early_write(struct console *con, const char *s, unsigned int n) uart_console_write(&dev->port, s, n, sprd_putc); } -static int __init sprd_early_console_setup( - struct earlycon_device *device, - const char *opt) +static int __init sprd_early_console_setup(struct earlycon_device *device, + const char *opt) { if (!device->port.membase) return -ENODEV; @@ -691,8 +689,8 @@ static int sprd_probe(struct platform_device *pdev) index = sprd_probe_dt_alias(index, &pdev->dev); - sprd_port[index] = devm_kzalloc(&pdev->dev, - sizeof(*sprd_port[index]), GFP_KERNEL); + sprd_port[index] = devm_kzalloc(&pdev->dev, sizeof(*sprd_port[index]), + GFP_KERNEL); if (!sprd_port[index]) return -ENOMEM; |