IRQ: Maintain regs pointer globally rather than passing to IRQ handlers

[powerpc.git] / drivers / serial / pxa.c

diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index a720953..846089f 100644 (file)
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -98,8 +98,7 @@ static void serial_pxa_stop_rx(struct uart_port *port)
        serial_out(up, UART_IER, up->ier);
 }
 
-static inline void
-receive_chars(struct uart_pxa_port *up, int *status, struct pt_regs *regs)
+static inline void receive_chars(struct uart_pxa_port *up, int *status)
 {
        struct tty_struct *tty = up->port.info->tty;
        unsigned int ch, flag;
@@ -153,7 +152,7 @@ receive_chars(struct uart_pxa_port *up, int *status, struct pt_regs *regs)
                                flag = TTY_FRAME;
                }
 
-               if (uart_handle_sysrq_char(&up->port, ch, regs))
+               if (uart_handle_sysrq_char(&up->port, ch))
                        goto ignore_char;
 
                uart_insert_char(&up->port, *status, UART_LSR_OE, ch, flag);
@@ -231,8 +230,7 @@ static inline void check_modem_status(struct uart_pxa_port *up)
 /*
  * This handles the interrupt from one port.
  */
-static inline irqreturn_t
-serial_pxa_irq(int irq, void *dev_id, struct pt_regs *regs)
+static inline irqreturn_t serial_pxa_irq(int irq, void *dev_id)
 {
        struct uart_pxa_port *up = (struct uart_pxa_port *)dev_id;
        unsigned int iir, lsr;
@@ -242,7 +240,7 @@ serial_pxa_irq(int irq, void *dev_id, struct pt_regs *regs)
                return IRQ_NONE;
        lsr = serial_in(up, UART_LSR);
        if (lsr & UART_LSR_DR)
-               receive_chars(up, &lsr, regs);
+               receive_chars(up, &lsr);
        check_modem_status(up);
        if (lsr & UART_LSR_THRE)
                transmit_chars(up);