From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Jiang Liu To: Thomas Gleixner , Bjorn Helgaas , Benjamin Herrenschmidt , Ingo Molnar , "H. Peter Anvin" , "Rafael J. Wysocki" , Randy Dunlap , Yinghai Lu , Borislav Petkov , Jason Cooper , Kukjin Kim , Krzysztof Kozlowski , Maxime Ripard Cc: Jiang Liu , Konrad Rzeszutek Wilk , Tony Luck , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Subject: [RFC v1 07/25] irqchip: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc Date: Wed, 20 May 2015 17:59:55 +0800 Message-Id: <1432116013-25902-8-git-send-email-jiang.liu@linux.intel.com> In-Reply-To: <1432116013-25902-1-git-send-email-jiang.liu@linux.intel.com> References: <1432116013-25902-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: 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 --- drivers/irqchip/exynos-combiner.c | 4 ++-- drivers/irqchip/irq-armada-370-xp.c | 2 +- drivers/irqchip/irq-dw-apb-ictl.c | 4 ++-- drivers/irqchip/irq-gic.c | 4 ++-- drivers/irqchip/irq-orion.c | 2 +- drivers/irqchip/irq-sunxi-nmi.c | 2 +- drivers/irqchip/spear-shirq.c | 2 +- 7 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c index 5945223b73fa..039ceb46fcc0 100644 --- a/drivers/irqchip/exynos-combiner.c +++ b/drivers/irqchip/exynos-combiner.c @@ -62,8 +62,8 @@ 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 daccc8bdbb42..40b5fe99a1d5 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -451,7 +451,7 @@ 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-dw-apb-ictl.c b/drivers/irqchip/irq-dw-apb-ictl.c index 53bb7326a60a..cddcd3b75f00 100644 --- a/drivers/irqchip/irq-dw-apb-ictl.c +++ b/drivers/irqchip/irq-dw-apb-ictl.c @@ -28,8 +28,8 @@ static void dw_apb_ictl_handler(unsigned int irq, struct irq_desc *desc) { - struct irq_chip *chip = irq_get_chip(irq); - struct irq_chip_generic *gc = irq_get_handler_data(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); + struct irq_chip_generic *gc = irq_desc_get_handler_data(desc); struct irq_domain *d = gc->private; u32 stat; int n; diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 01999d74bd3a..6c8a5a7fb4a0 100644 --- 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 ad0c0f6f1d65..58e034db0e7c 100644 --- a/drivers/irqchip/irq-orion.c +++ b/drivers/irqchip/irq-orion.c @@ -109,7 +109,7 @@ 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 4a9ce5b50c5b..2eaa9d9df241 100644 --- 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 9c145a7cb056..fb68ee9c0424 100644 --- a/drivers/irqchip/spear-shirq.c +++ b/drivers/irqchip/spear-shirq.c @@ -185,7 +185,7 @@ 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; -- 1.7.10.4