#include <linux/pmu.h>
#include <linux/bitops.h>
#include <linux/sysrq.h>
+#include <linux/mutex.h>
#include <asm/sections.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pmac_feature.h>
#include <asm/dbdma.h>
#include <asm/macio.h>
-#include <asm/semaphore.h>
#if defined (CONFIG_SERIAL_PMACZILOG_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
#define SUPPORT_SYSRQ
*/
static struct uart_pmac_port pmz_ports[MAX_ZS_PORTS];
static int pmz_ports_count;
-static DECLARE_MUTEX(pmz_irq_sem);
+static DEFINE_MUTEX(pmz_irq_mutex);
static struct uart_driver pmz_uart_reg = {
.owner = THIS_MODULE,
if (uap->node == NULL)
return -ENODEV;
- down(&pmz_irq_sem);
+ mutex_lock(&pmz_irq_mutex);
uap->flags |= PMACZILOG_FLAG_IS_OPEN;
dev_err(&uap->dev->ofdev.dev,
"Unable to register zs interrupt handler.\n");
pmz_set_scc_power(uap, 0);
- up(&pmz_irq_sem);
+ mutex_unlock(&pmz_irq_mutex);
return -ENXIO;
}
- up(&pmz_irq_sem);
+ mutex_unlock(&pmz_irq_mutex);
/* Right now, we deal with delay by blocking here, I'll be
* smarter later on
if (uap->node == NULL)
return;
- down(&pmz_irq_sem);
+ mutex_lock(&pmz_irq_mutex);
/* Release interrupt handler */
free_irq(uap->port.irq, uap);
if (ZS_IS_CONS(uap) || ZS_IS_ASLEEP(uap)) {
spin_unlock_irqrestore(&port->lock, flags);
- up(&pmz_irq_sem);
+ mutex_unlock(&pmz_irq_mutex);
return;
}
spin_unlock_irqrestore(&port->lock, flags);
- up(&pmz_irq_sem);
+ mutex_unlock(&pmz_irq_mutex);
pmz_debug("pmz: shutdown() done.\n");
}
/*
* Init remaining bits of "port" structure
*/
- uap->port.iotype = SERIAL_IO_MEM;
+ uap->port.iotype = UPIO_MEM;
uap->port.irq = np->intrs[0].line;
uap->port.uartclk = ZS_CLOCK;
uap->port.fifosize = 1;
state = pmz_uart_reg.state + uap->port.line;
- down(&pmz_irq_sem);
- down(&state->sem);
+ mutex_lock(&pmz_irq_mutex);
+ mutex_lock(&state->mutex);
spin_lock_irqsave(&uap->port.lock, flags);
/* Shut the chip down */
pmz_set_scc_power(uap, 0);
- up(&state->sem);
- up(&pmz_irq_sem);
+ mutex_unlock(&state->mutex);
+ mutex_unlock(&pmz_irq_mutex);
pmz_debug("suspend, switching complete\n");
state = pmz_uart_reg.state + uap->port.line;
- down(&pmz_irq_sem);
- down(&state->sem);
+ mutex_lock(&pmz_irq_mutex);
+ mutex_lock(&state->mutex);
spin_lock_irqsave(&uap->port.lock, flags);
if (!ZS_IS_OPEN(uap) && !ZS_IS_CONS(uap)) {
}
bail:
- up(&state->sem);
- up(&pmz_irq_sem);
+ mutex_unlock(&state->mutex);
+ mutex_unlock(&pmz_irq_mutex);
/* Right now, we deal with delay by blocking here, I'll be
* smarter later on
#ifdef CONFIG_SERIAL_PMACZILOG_CONSOLE
+static void pmz_console_putchar(struct uart_port *port, int ch)
+{
+ struct uart_pmac_port *uap = (struct uart_pmac_port *)port;
+
+ /* Wait for the transmit buffer to empty. */
+ while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0)
+ udelay(5);
+ write_zsdata(uap, ch);
+}
+
/*
* Print a string to the serial port trying not to disturb
* any possible real use of the port...
{
struct uart_pmac_port *uap = &pmz_ports[con->index];
unsigned long flags;
- int i;
if (ZS_IS_ASLEEP(uap))
return;
write_zsreg(uap, R1, uap->curregs[1] & ~TxINT_ENAB);
write_zsreg(uap, R5, uap->curregs[5] | TxENABLE | RTS | DTR);
- for (i = 0; i < count; i++) {
- /* Wait for the transmit buffer to empty. */
- while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0)
- udelay(5);
- write_zsdata(uap, s[i]);
- if (s[i] == 10) {
- while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0)
- udelay(5);
- write_zsdata(uap, R13);
- }
- }
+ uart_console_write(&uap->port, s, count, pmz_console_putchar);
/* Restore the values in the registers. */
write_zsreg(uap, R1, uap->curregs[1]);