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

[firefly-linux-kernel-4.4.55.git] / drivers / serial / imx.c

diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index da85bafa09423fab636cc784d3dd1c98eb5de9e9..ee5c782597dd82cac10689462f3322779ff5f29d 100644 (file)
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -25,7 +25,6 @@
  * [29-Mar-2005] Mike Lee
  * Added hardware handshake
  */
-#include <linux/config.h>
 
 #if defined(CONFIG_SERIAL_IMX_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
 #define SUPPORT_SYSRQ
@@ -183,7 +182,7 @@ static void imx_start_tx(struct uart_port *port)
                imx_transmit_buffer(sport);
 }
 
-static irqreturn_t imx_rtsint(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t imx_rtsint(int irq, void *dev_id)
 {
        struct imx_port *sport = (struct imx_port *)dev_id;
        unsigned int val = USR1((u32)sport->port.membase)&USR1_RTSS;
@@ -199,7 +198,7 @@ static irqreturn_t imx_rtsint(int irq, void *dev_id, struct pt_regs *regs)
        return IRQ_HANDLED;
 }
 
-static irqreturn_t imx_txint(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t imx_txint(int irq, void *dev_id)
 {
        struct imx_port *sport = (struct imx_port *)dev_id;
        struct circ_buf *xmit = &sport->port.info->xmit;
@@ -228,7 +227,7 @@ out:
        return IRQ_HANDLED;
 }
 
-static irqreturn_t imx_rxint(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t imx_rxint(int irq, void *dev_id)
 {
        struct imx_port *sport = dev_id;
        unsigned int rx,flg,ignored = 0;
@@ -249,7 +248,7 @@ static irqreturn_t imx_rxint(int irq, void *dev_id, struct pt_regs *regs)
                }
 
                if (uart_handle_sysrq_char
-                           (&sport->port, (unsigned char)rx, regs))
+                           (&sport->port, (unsigned char)rx))
                        goto ignore_char;
 
                if( rx & (URXD_PRERR | URXD_OVRRUN | URXD_FRMERR) )
@@ -405,7 +404,7 @@ static int imx_startup(struct uart_port *port)
        if (retval) goto error_out2;
 
        retval = request_irq(sport->rtsirq, imx_rtsint,
-                            SA_TRIGGER_FALLING | SA_TRIGGER_RISING,
+                            IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
                             DRIVER_NAME, sport);
        if (retval) goto error_out3;