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Date: Sun, 27 Mar 2011 22:34:47 +0200 (CEST)
From: Thomas Gleixner <tglx@...utronix.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
cc: Andrew Morton <akpm@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>
Subject: [GIT pull] irq cleanups for .39
Linus,
Please pull the latest irq-cleanup-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git irq-cleanup-for-linus
All acked by the relevant maintainers.
Thanks,
tglx
------------------>
Thomas Gleixner (3):
dma: Ipu: Convert interupt code
tile: Convert to new irq function names
tile: Use generic show_interupts()
arch/tile/Kconfig | 1 +
arch/tile/kernel/irq.c | 45 +---------------------------------
drivers/dma/ipu/ipu_irq.c | 58 ++++++++++++++++++++++----------------------
3 files changed, 32 insertions(+), 72 deletions(-)
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index f3b7870..5e34a9f 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -12,6 +12,7 @@ config TILE
select GENERIC_IRQ_PROBE
select GENERIC_PENDING_IRQ if SMP
select GENERIC_HARDIRQS_NO_DEPRECATED
+ select GENERIC_IRQ_SHOW
# FIXME: investigate whether we need/want these options.
# select HAVE_IOREMAP_PROT
diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c
index 0baa758..aa0134d 100644
--- a/arch/tile/kernel/irq.c
+++ b/arch/tile/kernel/irq.c
@@ -241,14 +241,14 @@ void tile_irq_activate(unsigned int irq, int tile_irq_type)
irq_flow_handler_t handle = handle_level_irq;
if (tile_irq_type == TILE_IRQ_PERCPU)
handle = handle_percpu_irq;
- set_irq_chip_and_handler(irq, &tile_irq_chip, handle);
+ irq_set_chip_and_handler(irq, &tile_irq_chip, handle);
/*
* Flag interrupts that are hardware-cleared so that ack()
* won't clear them.
*/
if (tile_irq_type == TILE_IRQ_HW_CLEAR)
- set_irq_chip_data(irq, (void *)IS_HW_CLEARED);
+ irq_set_chip_data(irq, (void *)IS_HW_CLEARED);
}
EXPORT_SYMBOL(tile_irq_activate);
@@ -262,47 +262,6 @@ void ack_bad_irq(unsigned int irq)
* Generic, controller-independent functions:
*/
-int show_interrupts(struct seq_file *p, void *v)
-{
- int i = *(loff_t *) v, j;
- struct irqaction *action;
- unsigned long flags;
-
- if (i == 0) {
- seq_printf(p, " ");
- for (j = 0; j < NR_CPUS; j++)
- if (cpu_online(j))
- seq_printf(p, "CPU%-8d", j);
- seq_putc(p, '\n');
- }
-
- if (i < NR_IRQS) {
- struct irq_desc *desc = irq_to_desc(i);
-
- raw_spin_lock_irqsave(&desc->lock, flags);
- action = desc->action;
- if (!action)
- goto skip;
- seq_printf(p, "%3d: ", i);
-#ifndef CONFIG_SMP
- seq_printf(p, "%10u ", kstat_irqs(i));
-#else
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
-#endif
- seq_printf(p, " %14s", get_irq_desc_chip(desc)->name);
- seq_printf(p, " %s", action->name);
-
- for (action = action->next; action; action = action->next)
- seq_printf(p, ", %s", action->name);
-
- seq_putc(p, '\n');
-skip:
- raw_spin_unlock_irqrestore(&desc->lock, flags);
- }
- return 0;
-}
-
#if CHIP_HAS_IPI()
int create_irq(void)
{
diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c
index dd8ebc7..ab8a4ef 100644
--- a/drivers/dma/ipu/ipu_irq.c
+++ b/drivers/dma/ipu/ipu_irq.c
@@ -94,9 +94,9 @@ static struct ipu_irq_map *src2map(unsigned int src)
return NULL;
}
-static void ipu_irq_unmask(unsigned int irq)
+static void ipu_irq_unmask(struct irq_data *d)
{
- struct ipu_irq_map *map = get_irq_chip_data(irq);
+ struct ipu_irq_map *map = irq_data_get_irq_chip_data(d);
struct ipu_irq_bank *bank;
uint32_t reg;
unsigned long lock_flags;
@@ -106,7 +106,7 @@ static void ipu_irq_unmask(unsigned int irq)
bank = map->bank;
if (!bank) {
spin_unlock_irqrestore(&bank_lock, lock_flags);
- pr_err("IPU: %s(%u) - unmapped!\n", __func__, irq);
+ pr_err("IPU: %s(%u) - unmapped!\n", __func__, d->irq);
return;
}
@@ -117,9 +117,9 @@ static void ipu_irq_unmask(unsigned int irq)
spin_unlock_irqrestore(&bank_lock, lock_flags);
}
-static void ipu_irq_mask(unsigned int irq)
+static void ipu_irq_mask(struct irq_data *d)
{
- struct ipu_irq_map *map = get_irq_chip_data(irq);
+ struct ipu_irq_map *map = irq_data_get_irq_chip_data(d);
struct ipu_irq_bank *bank;
uint32_t reg;
unsigned long lock_flags;
@@ -129,7 +129,7 @@ static void ipu_irq_mask(unsigned int irq)
bank = map->bank;
if (!bank) {
spin_unlock_irqrestore(&bank_lock, lock_flags);
- pr_err("IPU: %s(%u) - unmapped!\n", __func__, irq);
+ pr_err("IPU: %s(%u) - unmapped!\n", __func__, d->irq);
return;
}
@@ -140,9 +140,9 @@ static void ipu_irq_mask(unsigned int irq)
spin_unlock_irqrestore(&bank_lock, lock_flags);
}
-static void ipu_irq_ack(unsigned int irq)
+static void ipu_irq_ack(struct irq_data *d)
{
- struct ipu_irq_map *map = get_irq_chip_data(irq);
+ struct ipu_irq_map *map = irq_data_get_irq_chip_data(d);
struct ipu_irq_bank *bank;
unsigned long lock_flags;
@@ -151,7 +151,7 @@ static void ipu_irq_ack(unsigned int irq)
bank = map->bank;
if (!bank) {
spin_unlock_irqrestore(&bank_lock, lock_flags);
- pr_err("IPU: %s(%u) - unmapped!\n", __func__, irq);
+ pr_err("IPU: %s(%u) - unmapped!\n", __func__, d->irq);
return;
}
@@ -167,7 +167,7 @@ static void ipu_irq_ack(unsigned int irq)
*/
bool ipu_irq_status(unsigned int irq)
{
- struct ipu_irq_map *map = get_irq_chip_data(irq);
+ struct ipu_irq_map *map = irq_get_chip_data(irq);
struct ipu_irq_bank *bank;
unsigned long lock_flags;
bool ret;
@@ -269,7 +269,7 @@ int ipu_irq_unmap(unsigned int source)
/* Chained IRQ handler for IPU error interrupt */
static void ipu_irq_err(unsigned int irq, struct irq_desc *desc)
{
- struct ipu *ipu = get_irq_data(irq);
+ struct ipu *ipu = irq_get_handler_data(irq);
u32 status;
int i, line;
@@ -310,7 +310,7 @@ static void ipu_irq_err(unsigned int irq, struct irq_desc *desc)
/* Chained IRQ handler for IPU function interrupt */
static void ipu_irq_fn(unsigned int irq, struct irq_desc *desc)
{
- struct ipu *ipu = get_irq_data(irq);
+ struct ipu *ipu = irq_desc_get_handler_data(desc);
u32 status;
int i, line;
@@ -345,10 +345,10 @@ static void ipu_irq_fn(unsigned int irq, struct irq_desc *desc)
}
static struct irq_chip ipu_irq_chip = {
- .name = "ipu_irq",
- .ack = ipu_irq_ack,
- .mask = ipu_irq_mask,
- .unmask = ipu_irq_unmask,
+ .name = "ipu_irq",
+ .irq_ack = ipu_irq_ack,
+ .irq_mask = ipu_irq_mask,
+ .irq_unmask = ipu_irq_unmask,
};
/* Install the IRQ handler */
@@ -366,26 +366,26 @@ int __init ipu_irq_attach_irq(struct ipu *ipu, struct platform_device *dev)
int ret;
irq = irq_base + i;
- ret = set_irq_chip(irq, &ipu_irq_chip);
+ ret = irq_set_chip(irq, &ipu_irq_chip);
if (ret < 0)
return ret;
- ret = set_irq_chip_data(irq, irq_map + i);
+ ret = irq_set_chip_data(irq, irq_map + i);
if (ret < 0)
return ret;
irq_map[i].ipu = ipu;
irq_map[i].irq = irq;
irq_map[i].source = -EINVAL;
- set_irq_handler(irq, handle_level_irq);
+ irq_set_handler(irq, handle_level_irq);
#ifdef CONFIG_ARM
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
#endif
}
- set_irq_data(ipu->irq_fn, ipu);
- set_irq_chained_handler(ipu->irq_fn, ipu_irq_fn);
+ irq_set_handler_data(ipu->irq_fn, ipu);
+ irq_set_chained_handler(ipu->irq_fn, ipu_irq_fn);
- set_irq_data(ipu->irq_err, ipu);
- set_irq_chained_handler(ipu->irq_err, ipu_irq_err);
+ irq_set_handler_data(ipu->irq_err, ipu);
+ irq_set_chained_handler(ipu->irq_err, ipu_irq_err);
return 0;
}
@@ -397,17 +397,17 @@ void ipu_irq_detach_irq(struct ipu *ipu, struct platform_device *dev)
irq_base = pdata->irq_base;
- set_irq_chained_handler(ipu->irq_fn, NULL);
- set_irq_data(ipu->irq_fn, NULL);
+ irq_set_chained_handler(ipu->irq_fn, NULL);
+ irq_set_handler_data(ipu->irq_fn, NULL);
- set_irq_chained_handler(ipu->irq_err, NULL);
- set_irq_data(ipu->irq_err, NULL);
+ irq_set_chained_handler(ipu->irq_err, NULL);
+ irq_set_handler_data(ipu->irq_err, NULL);
for (irq = irq_base; irq < irq_base + CONFIG_MX3_IPU_IRQS; irq++) {
#ifdef CONFIG_ARM
set_irq_flags(irq, 0);
#endif
- set_irq_chip(irq, NULL);
- set_irq_chip_data(irq, NULL);
+ irq_set_chip(irq, NULL);
+ irq_set_chip_data(irq, NULL);
}
}
--
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