o Check if IRQ is disabled or in progress before reenabling interrupts
in jmr3927_irq_end..
o s/spinlock_irqsave/spin_lock_irqsave/
o s/spinlock_irqrestore/spin_unlock_irqrestore/
o Flush write buffer after setting IRQ mask
o In 2.6 jmr3927_ioc_interrupt interrupt handlers return irqreturn_t
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
static void jmr3927_irq_end(unsigned int irq)
{
static void jmr3927_irq_end(unsigned int irq)
{
- jmr3927_irq_enable(irq);
+ if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+ jmr3927_irq_enable(irq);
}
static void jmr3927_irq_disable(unsigned int irq_nr)
}
static void jmr3927_irq_disable(unsigned int irq_nr)
struct tb_irq_space* sp;
unsigned long flags;
struct tb_irq_space* sp;
unsigned long flags;
- spinlock_irqsave(&jmr3927_irq_lock, flags);
+ spin_lock_irqsave(&jmr3927_irq_lock, flags);
for (sp = tb_irq_spaces; sp; sp = sp->next) {
if (sp->start_irqno <= irq_nr &&
irq_nr < sp->start_irqno + sp->nr_irqs) {
for (sp = tb_irq_spaces; sp; sp = sp->next) {
if (sp->start_irqno <= irq_nr &&
irq_nr < sp->start_irqno + sp->nr_irqs) {
- spinlock_irqrestore(&jmr3927_irq_lock, flags);
+ spin_unlock_irqrestore(&jmr3927_irq_lock, flags);
}
static void jmr3927_irq_enable(unsigned int irq_nr)
}
static void jmr3927_irq_enable(unsigned int irq_nr)
struct tb_irq_space* sp;
unsigned long flags;
struct tb_irq_space* sp;
unsigned long flags;
- spinlock_irqsave(&jmr3927_irq_lock, flags);
+ spin_lock_irqsave(&jmr3927_irq_lock, flags);
for (sp = tb_irq_spaces; sp; sp = sp->next) {
if (sp->start_irqno <= irq_nr &&
irq_nr < sp->start_irqno + sp->nr_irqs) {
for (sp = tb_irq_spaces; sp; sp = sp->next) {
if (sp->start_irqno <= irq_nr &&
irq_nr < sp->start_irqno + sp->nr_irqs) {
- spinlock_irqrestore(&jmr3927_irq_lock, flags);
+ spin_unlock_irqrestore(&jmr3927_irq_lock, flags);
/* update IRCSR */
tx3927_ircptr->imr = 0;
tx3927_ircptr->imr = irc_elevel;
/* update IRCSR */
tx3927_ircptr->imr = 0;
tx3927_ircptr->imr = irc_elevel;
+ /* flush write buffer */
+ (void)tx3927_ircptr->ssr;
static void unmask_irq_irc(int irq_nr, int space_id)
{
volatile unsigned long *ilrp = &tx3927_ircptr->ilr[irq_nr / 2];
static void unmask_irq_irc(int irq_nr, int space_id)
{
volatile unsigned long *ilrp = &tx3927_ircptr->ilr[irq_nr / 2];
do_IRQ(irq + JMR3927_IRQ_IRC, regs);
}
do_IRQ(irq + JMR3927_IRQ_IRC, regs);
}
-static void jmr3927_ioc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t jmr3927_ioc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
unsigned char istat = jmr3927_ioc_reg_in(JMR3927_IOC_INTS2_ADDR);
int i;
{
unsigned char istat = jmr3927_ioc_reg_in(JMR3927_IOC_INTS2_ADDR);
int i;
}
static struct irqaction ioc_action = {
jmr3927_ioc_interrupt, 0, CPU_MASK_NONE, "IOC", NULL, NULL,
};
}
static struct irqaction ioc_action = {
jmr3927_ioc_interrupt, 0, CPU_MASK_NONE, "IOC", NULL, NULL,
};
-static void jmr3927_isac_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t jmr3927_isac_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
unsigned char istat = jmr3927_isac_reg_in(JMR3927_ISAC_INTS2_ADDR);
int i;
{
unsigned char istat = jmr3927_isac_reg_in(JMR3927_ISAC_INTS2_ADDR);
int i;
}
static struct irqaction isac_action = {
}
static struct irqaction isac_action = {
-static void jmr3927_isaerr_interrupt(int irq, void * dev_id, struct pt_regs * regs)
+static irqreturn_t jmr3927_isaerr_interrupt(int irq, void * dev_id, struct pt_regs * regs)
{
printk(KERN_WARNING "ISA error interrupt (irq 0x%x).\n", irq);
{
printk(KERN_WARNING "ISA error interrupt (irq 0x%x).\n", irq);
}
static struct irqaction isaerr_action = {
jmr3927_isaerr_interrupt, 0, CPU_MASK_NONE, "ISA error", NULL, NULL,
};
}
static struct irqaction isaerr_action = {
jmr3927_isaerr_interrupt, 0, CPU_MASK_NONE, "ISA error", NULL, NULL,
};
-static void jmr3927_pcierr_interrupt(int irq, void * dev_id, struct pt_regs * regs)
+static irqreturn_t jmr3927_pcierr_interrupt(int irq, void * dev_id, struct pt_regs * regs)
{
printk(KERN_WARNING "PCI error interrupt (irq 0x%x).\n", irq);
printk(KERN_WARNING "pcistat:%02x, lbstat:%04lx\n",
tx3927_pcicptr->pcistat, tx3927_pcicptr->lbstat);
{
printk(KERN_WARNING "PCI error interrupt (irq 0x%x).\n", irq);
printk(KERN_WARNING "pcistat:%02x, lbstat:%04lx\n",
tx3927_pcicptr->pcistat, tx3927_pcicptr->lbstat);
}
static struct irqaction pcierr_action = {
jmr3927_pcierr_interrupt, 0, CPU_MASK_NONE, "PCI error", NULL, NULL,
}
static struct irqaction pcierr_action = {
jmr3927_pcierr_interrupt, 0, CPU_MASK_NONE, "PCI error", NULL, NULL,