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

[mirror_ubuntu-zesty-kernel.git] / drivers / tc / zs.c

diff --git a/drivers/tc/zs.c b/drivers/tc/zs.c
index 622881f26761263dafef90ed1dec8c611950a696..7c0fe1dc96a9879ef98349b23b8480cde614426d 100644 (file)
--- a/drivers/tc/zs.c
+++ b/drivers/tc/zs.c
@@ -347,7 +347,7 @@ static void rs_sched_event(struct dec_serial *info, int event)
        tasklet_schedule(&info->tlet);
 }
 
-static void receive_chars(struct dec_serial *info, struct pt_regs *regs)
+static void receive_chars(struct dec_serial *info)
 {
        struct tty_struct *tty = info->tty;
        unsigned char ch, stat, flag;
@@ -490,7 +490,7 @@ static void status_handle(struct dec_serial *info)
 /*
  * This is the serial driver's generic interrupt routine
  */
-static irqreturn_t rs_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t rs_interrupt(int irq, void *dev_id)
 {
        struct dec_serial *info = (struct dec_serial *) dev_id;
        irqreturn_t status = IRQ_NONE;
@@ -518,7 +518,7 @@ static irqreturn_t rs_interrupt(int irq, void *dev_id, struct pt_regs *regs)
                status = IRQ_HANDLED;
 
                if (zs_intreg & CHBRxIP) {
-                       receive_chars(info, regs);
+                       receive_chars(info);
                }
                if (zs_intreg & CHBTxIP) {
                        transmit_chars(info);