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irqchip: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc 

Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc while we
already have a pointer to corresponding irq_desc.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: http://lkml.kernel.org/r/1433391238-19471-11-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Jiang Liu 2015-06-04 12:13:20 +08:00 committed by Thomas Gleixner
parent 72f86db4dd
commit 5b29264c65
6 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/irqchip/exynos-combiner.c
View File

@ -67,8 +67,8 @@ static void combiner_unmask_irq(struct irq_data *data)
static void combiner_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
{
struct combiner_chip_data *chip_data = irq_get_handler_data(irq);
struct irq_chip *chip = irq_get_chip(irq);
struct combiner_chip_data *chip_data = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned int cascade_irq, combiner_irq;
unsigned long status;

2
drivers/irqchip/irq-armada-370-xp.c
View File

@ -450,7 +450,7 @@ static void armada_370_xp_handle_msi_irq(struct pt_regs *r, bool b) {}
static void armada_370_xp_mpic_handle_cascade_irq(unsigned int irq,
struct irq_desc *desc)
{
struct irq_chip *chip = irq_get_chip(irq);
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned long irqmap, irqn, irqsrc, cpuid;
unsigned int cascade_irq;

4
drivers/irqchip/irq-gic.c
View File

@ -288,8 +288,8 @@ static void __exception_irq_entry gic_handle_irq(struct pt_regs *regs)
static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
{
struct gic_chip_data *chip_data = irq_get_handler_data(irq);
struct irq_chip *chip = irq_get_chip(irq);
struct gic_chip_data *chip_data = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned int cascade_irq, gic_irq;
unsigned long status;

2
drivers/irqchip/irq-orion.c
View File

@ -108,7 +108,7 @@ IRQCHIP_DECLARE(orion_intc, "marvell,orion-intc", orion_irq_init);
static void orion_bridge_irq_handler(unsigned int irq, struct irq_desc *desc)
{
struct irq_domain *d = irq_get_handler_data(irq);
struct irq_domain *d = irq_desc_get_handler_data(desc);
struct irq_chip_generic *gc = irq_get_domain_generic_chip(d, 0);
u32 stat = readl_relaxed(gc->reg_base + ORION_BRIDGE_IRQ_CAUSE) &

2
drivers/irqchip/irq-sunxi-nmi.c
View File

@ -61,7 +61,7 @@ static inline u32 sunxi_sc_nmi_read(struct irq_chip_generic *gc, u32 off)
static void sunxi_sc_nmi_handle_irq(unsigned int irq, struct irq_desc *desc)
{
struct irq_domain *domain = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_get_chip(irq);
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned int virq = irq_find_mapping(domain, 0);
chained_irq_enter(chip, desc);

2
drivers/irqchip/spear-shirq.c
View File

@ -184,7 +184,7 @@ static struct spear_shirq *spear320_shirq_blocks[] = {
static void shirq_handler(unsigned irq, struct irq_desc *desc)
{
struct spear_shirq *shirq = irq_get_handler_data(irq);
struct spear_shirq *shirq = irq_desc_get_handler_data(desc);
u32 pend;
pend = readl(shirq->base + shirq->status_reg) & shirq->mask;