M68k char drivers: Update to the new irq API (from Roman Zippel and me) [14/20]
--- linux-2.5.69/drivers/char/amiserial.c Mon May 5 10:30:53 2003
+++ linux-m68k-2.5.69/drivers/char/amiserial.c Tue May 6 13:50:50 2003
@@ -490,7 +490,7 @@
}
}
-static void ser_vbl_int( int irq, void *data, struct pt_regs *regs)
+static irqreturn_t ser_vbl_int( int irq, void *data, struct pt_regs *regs)
{
/* vbl is just a periodic interrupt we tie into to update modem status */
struct async_struct * info = IRQ_ports;
@@ -500,9 +500,10 @@
*/
if(info->IER & UART_IER_MSI)
check_modem_status(info);
+ return IRQ_HANDLED;
}
-static void ser_rx_int(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t ser_rx_int(int irq, void *dev_id, struct pt_regs * regs)
{
struct async_struct * info;
@@ -512,16 +513,17 @@
info = IRQ_ports;
if (!info || !info->tty)
- return;
+ return IRQ_NONE;
receive_chars(info);
info->last_active = jiffies;
#ifdef SERIAL_DEBUG_INTR
printk("end.\n");
#endif
+ return IRQ_HANDLED;
}
-static void ser_tx_int(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t ser_tx_int(int irq, void *dev_id, struct pt_regs * regs)
{
struct async_struct * info;
@@ -532,7 +534,7 @@
info = IRQ_ports;
if (!info || !info->tty)
- return;
+ return IRQ_NONE;
transmit_chars(info);
info->last_active = jiffies;
@@ -540,6 +542,7 @@
printk("end.\n");
#endif
}
+ return IRQ_HANDLED;
}
/*
--- linux-2.5.69/drivers/char/ser_a2232.c Mon May 5 10:31:01 2003
+++ linux-m68k-2.5.69/drivers/char/ser_a2232.c Fri May 9 10:21:31 2003
@@ -116,7 +116,7 @@
static __inline__ void a2232_receive_char( struct a2232_port *port,
int ch, int err );
/* The interrupt service routine */
-static void a2232_vbl_inter(int irq, void *data, struct pt_regs *fp);
+static irqreturn_t a2232_vbl_inter(int irq, void *data, struct pt_regs *fp);
/* Initialize the port structures */
static void a2232_init_portstructs(void);
/* Initialize and register TTY drivers. */
@@ -539,7 +539,7 @@
tty_flip_buffer_push(tty);
}
-static void a2232_vbl_inter(int irq, void *data, struct pt_regs *fp)
+static irqreturn_t a2232_vbl_inter(int irq, void *data, struct pt_regs *fp)
{
#if A2232_IOBUFLEN != 256
#error "Re-Implement a2232_vbl_inter()!"
@@ -679,6 +679,7 @@
} // if events in CD queue
} // for every completely initialized A2232 board
+ return IRQ_HANDLED;
}
static void a2232_init_portstructs(void)
--- linux-2.5.69/drivers/char/serial167.c Mon May 5 10:31:02 2003
+++ linux-m68k-2.5.69/drivers/char/serial167.c Fri May 9 10:21:31 2003
@@ -400,7 +400,7 @@
whenever the card wants its hand held--chars
received, out buffer empty, modem change, etc.
*/
-static void
+static irqreturn_t
cd2401_rxerr_interrupt(int irq, void *dev_id, struct pt_regs *fp)
{
struct tty_struct *tty;
@@ -418,7 +418,7 @@
if ((err = base_addr[CyRISR]) & CyTIMEOUT) {
/* This is a receive timeout interrupt, ignore it */
base_addr[CyREOIR] = CyNOTRANS;
- return;
+ return IRQ_HANDLED;
}
/* Read a byte of data if there is any - assume the error
@@ -432,13 +432,13 @@
/* if there is nowhere to put the data, discard it */
if(info->tty == 0) {
base_addr[CyREOIR] = rfoc ? 0 : CyNOTRANS;
- return;
+ return IRQ_HANDLED;
}
else { /* there is an open port for this data */
tty = info->tty;
if(err & info->ignore_status_mask){
base_addr[CyREOIR] = rfoc ? 0 : CyNOTRANS;
- return;
+ return IRQ_HANDLED;
}
if (tty->flip.count < TTY_FLIPBUF_SIZE){
tty->flip.count++;
@@ -488,9 +488,10 @@
queue_task(&tty->flip.tqueue, &tq_timer);
/* end of service */
base_addr[CyREOIR] = rfoc ? 0 : CyNOTRANS;
+ return IRQ_HANDLED;
} /* cy_rxerr_interrupt */
-static void
+static irqreturn_t
cd2401_modem_interrupt(int irq, void *dev_id, struct pt_regs *fp)
{
struct cyclades_port *info;
@@ -543,9 +544,10 @@
}
}
base_addr[CyMEOIR] = 0;
+ return IRQ_HANDLED;
} /* cy_modem_interrupt */
-static void
+static irqreturn_t
cd2401_tx_interrupt(int irq, void *dev_id, struct pt_regs *fp)
{
struct cyclades_port *info;
@@ -569,7 +571,7 @@
if( (channel < 0) || (NR_PORTS <= channel) ){
base_addr[CyIER] &= ~(CyTxMpty|CyTxRdy);
base_addr[CyTEOIR] = CyNOTRANS;
- return;
+ return IRQ_HANDLED;
}
info->last_active = jiffies;
if(info->tty == 0){
@@ -578,7 +580,7 @@
cy_sched_event(info, Cy_EVENT_WRITE_WAKEUP);
}
base_addr[CyTEOIR] = CyNOTRANS;
- return;
+ return IRQ_HANDLED;
}
/* load the on-chip space available for outbound data */
@@ -662,9 +664,10 @@
cy_sched_event(info, Cy_EVENT_WRITE_WAKEUP);
}
base_addr[CyTEOIR] = (char_count != saved_cnt) ? 0 : CyNOTRANS;
+ return IRQ_HANDLED;
} /* cy_tx_interrupt */
-static void
+static irqreturn_t
cd2401_rx_interrupt(int irq, void *dev_id, struct pt_regs *fp)
{
struct tty_struct *tty;
@@ -722,6 +725,7 @@
}
/* end of service */
base_addr[CyREOIR] = save_cnt ? 0 : CyNOTRANS;
+ return IRQ_HANDLED;
} /* cy_rx_interrupt */
/*
--- linux-2.5.69/drivers/char/vme_scc.c Mon May 5 10:31:05 2003
+++ linux-m68k-2.5.69/drivers/char/vme_scc.c Fri May 9 10:21:31 2003
@@ -83,10 +83,10 @@
unsigned int cmd, unsigned long arg);
static void scc_throttle(struct tty_struct *tty);
static void scc_unthrottle(struct tty_struct *tty);
-static void scc_tx_int(int irq, void *data, struct pt_regs *fp);
-static void scc_rx_int(int irq, void *data, struct pt_regs *fp);
-static void scc_stat_int(int irq, void *data, struct pt_regs *fp);
-static void scc_spcond_int(int irq, void *data, struct pt_regs *fp);
+static irqreturn_t scc_tx_int(int irq, void *data, struct pt_regs *fp);
+static irqreturn_t scc_rx_int(int irq, void *data, struct pt_regs *fp);
+static irqreturn_t scc_stat_int(int irq, void *data, struct pt_regs *fp);
+static irqreturn_t scc_spcond_int(int irq, void *data, struct pt_regs *fp);
static void scc_setsignals(struct scc_port *port, int dtr, int rts);
static void scc_break_ctl(struct tty_struct *tty, int break_state);
@@ -447,7 +447,7 @@
* Interrupt handlers
*--------------------------------------------------------------------------*/
-static void scc_rx_int(int irq, void *data, struct pt_regs *fp)
+static irqreturn_t scc_rx_int(int irq, void *data, struct pt_regs *fp)
{
unsigned char ch;
struct scc_port *port = data;
@@ -458,7 +458,7 @@
if (!tty) {
printk(KERN_WARNING "scc_rx_int with NULL tty!\n");
SCCwrite_NB(COMMAND_REG, CR_HIGHEST_IUS_RESET);
- return;
+ return IRQ_HANDLED;
}
if (tty->flip.count < TTY_FLIPBUF_SIZE) {
*tty->flip.char_buf_ptr = ch;
@@ -475,16 +475,17 @@
if (SCCread(INT_PENDING_REG) &
(port->channel == CHANNEL_A ? IPR_A_RX : IPR_B_RX)) {
scc_spcond_int (irq, data, fp);
- return;
+ return IRQ_HANDLED;
}
SCCwrite_NB(COMMAND_REG, CR_HIGHEST_IUS_RESET);
tty_flip_buffer_push(tty);
+ return IRQ_HANDLED;
}
-static void scc_spcond_int(int irq, void *data, struct pt_regs *fp)
+static irqreturn_t scc_spcond_int(int irq, void *data, struct pt_regs *fp)
{
struct scc_port *port = data;
struct tty_struct *tty = port->gs.tty;
@@ -497,7 +498,7 @@
printk(KERN_WARNING "scc_spcond_int with NULL tty!\n");
SCCwrite(COMMAND_REG, CR_ERROR_RESET);
SCCwrite_NB(COMMAND_REG, CR_HIGHEST_IUS_RESET);
- return;
+ return IRQ_HANDLED;
}
do {
stat = SCCread(SPCOND_STATUS_REG);
@@ -531,10 +532,11 @@
SCCwrite_NB(COMMAND_REG, CR_HIGHEST_IUS_RESET);
tty_flip_buffer_push(tty);
+ return IRQ_HANDLED;
}
-static void scc_tx_int(int irq, void *data, struct pt_regs *fp)
+static irqreturn_t scc_tx_int(int irq, void *data, struct pt_regs *fp)
{
struct scc_port *port = data;
SCC_ACCESS_INIT(port);
@@ -544,7 +546,7 @@
SCCmod (INT_AND_DMA_REG, ~IDR_TX_INT_ENAB, 0);
SCCwrite(COMMAND_REG, CR_TX_PENDING_RESET);
SCCwrite_NB(COMMAND_REG, CR_HIGHEST_IUS_RESET);
- return;
+ return IRQ_HANDLED;
}
while ((SCCread_NB(STATUS_REG) & SR_TX_BUF_EMPTY)) {
if (port->x_char) {
@@ -576,10 +578,11 @@
}
SCCwrite_NB(COMMAND_REG, CR_HIGHEST_IUS_RESET);
+ return IRQ_HANDLED;
}
-static void scc_stat_int(int irq, void *data, struct pt_regs *fp)
+static irqreturn_t scc_stat_int(int irq, void *data, struct pt_regs *fp)
{
struct scc_port *port = data;
unsigned channel = port->channel;
@@ -611,6 +614,7 @@
}
SCCwrite(COMMAND_REG, CR_EXTSTAT_RESET);
SCCwrite_NB(COMMAND_REG, CR_HIGHEST_IUS_RESET);
+ return IRQ_HANDLED;
}
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.orgIn personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Thu May 15 2003 - 22:00:38 EST