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>

diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c
index 6ad04ac..1a4a1b0 100644 (file)
--- a/drivers/irqchip/exynos-combiner.c
+++ b/drivers/irqchip/exynos-combiner.c
@@ -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;
 

diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index 73b73ac..39b72da 100644 (file)
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -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;
 

diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 2eaae9c..cadd862 100644 (file)
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -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;
 

diff --git a/drivers/irqchip/irq-orion.c b/drivers/irqchip/irq-orion.c
index 7fbae56..5ea999a 100644 (file)
--- a/drivers/irqchip/irq-orion.c
+++ b/drivers/irqchip/irq-orion.c
@@ -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) &

diff --git a/drivers/irqchip/irq-sunxi-nmi.c b/drivers/irqchip/irq-sunxi-nmi.c
index 9186a11..772a82c 100644 (file)
--- a/drivers/irqchip/irq-sunxi-nmi.c
+++ b/drivers/irqchip/irq-sunxi-nmi.c
@@ -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);

diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c
index 3df144f..6171855 100644 (file)
--- a/drivers/irqchip/spear-shirq.c
+++ b/drivers/irqchip/spear-shirq.c
@@ -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;