Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753167AbbETJ7e (ORCPT ); Wed, 20 May 2015 05:59:34 -0400 Received: from mga02.intel.com ([134.134.136.20]:43547 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753006AbbETJ72 (ORCPT ); Wed, 20 May 2015 05:59:28 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,464,1427785200"; d="scan'208";a="574172456" From: Jiang Liu To: Thomas Gleixner , Bjorn Helgaas , Benjamin Herrenschmidt , Ingo Molnar , "H. Peter Anvin" , "Rafael J. Wysocki" , Randy Dunlap , Yinghai Lu , Borislav Petkov , Ray Jui , Linus Walleij , Alexandre Courbot , Javier Martinez Canillas , Santosh Shilimkar , Kevin Hilman , Stephen Warren , Thierry Reding , Michal Simek , =?UTF-8?q?S=C3=B6ren=20Brinkmann?= 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, bcm-kernel-feedback-list@broadcom.com, linux-gpio@vger.kernel.org, linux-omap@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [RFC v1 05/25] gpio: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc Date: Wed, 20 May 2015 17:59:53 +0800 Message-Id: <1432116013-25902-6-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 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: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6702 Lines: 175 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/gpio/gpio-bcm-kona.c | 2 +- drivers/gpio/gpio-dwapb.c | 2 +- drivers/gpio/gpio-mvebu.c | 2 +- drivers/gpio/gpio-mxc.c | 6 +++--- drivers/gpio/gpio-mxs.c | 2 +- drivers/gpio/gpio-omap.c | 2 +- drivers/gpio/gpio-tegra.c | 4 +--- drivers/gpio/gpio-timberdale.c | 2 +- drivers/gpio/gpio-vf610.c | 2 +- drivers/gpio/gpio-zynq.c | 2 +- 10 files changed, 12 insertions(+), 14 deletions(-) diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c index b164ce837b43..2e7a8c66fe57 100644 --- a/drivers/gpio/gpio-bcm-kona.c +++ b/drivers/gpio/gpio-bcm-kona.c @@ -432,7 +432,7 @@ static void bcm_kona_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) void __iomem *reg_base; int bit, bank_id; unsigned long sta; - struct bcm_kona_gpio_bank *bank = irq_get_handler_data(irq); + struct bcm_kona_gpio_bank *bank = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); chained_irq_enter(chip, desc); diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index 58faf04fce5d..649be07a845d 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -149,7 +149,7 @@ static u32 dwapb_do_irq(struct dwapb_gpio *gpio) static void dwapb_irq_handler(u32 irq, struct irq_desc *desc) { - struct dwapb_gpio *gpio = irq_get_handler_data(irq); + struct dwapb_gpio *gpio = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); dwapb_do_irq(gpio); diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 1a54205860f5..a8c302ef7bc4 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -460,7 +460,7 @@ static int mvebu_gpio_irq_set_type(struct irq_data *d, unsigned int type) static void mvebu_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) { - struct mvebu_gpio_chip *mvchip = irq_get_handler_data(irq); + struct mvebu_gpio_chip *mvchip = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); u32 cause, type; int i; diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index 9f7446a7ac64..f10948c04f7c 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -275,8 +275,8 @@ static void mxc_gpio_irq_handler(struct mxc_gpio_port *port, u32 irq_stat) static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc) { u32 irq_stat; - struct mxc_gpio_port *port = irq_get_handler_data(irq); - struct irq_chip *chip = irq_get_chip(irq); + struct mxc_gpio_port *port = irq_desc_get_handler_data(desc); + struct irq_chip *chip = irq_desc_get_chip(desc); chained_irq_enter(chip, desc); @@ -292,7 +292,7 @@ static void mx2_gpio_irq_handler(u32 irq, struct irq_desc *desc) { u32 irq_msk, irq_stat; struct mxc_gpio_port *port; - struct irq_chip *chip = irq_get_chip(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); chained_irq_enter(chip, desc); diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c index 84cbda6acdda..039c7d50e64f 100644 --- a/drivers/gpio/gpio-mxs.c +++ b/drivers/gpio/gpio-mxs.c @@ -157,7 +157,7 @@ static void mxs_flip_edge(struct mxs_gpio_port *port, u32 gpio) static void mxs_gpio_irq_handler(u32 irq, struct irq_desc *desc) { u32 irq_stat; - struct mxs_gpio_port *port = irq_get_handler_data(irq); + struct mxs_gpio_port *port = irq_desc_get_handler_data(desc); desc->irq_data.chip->irq_ack(&desc->irq_data); diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index b232397ad7ec..acbf3feff1e2 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -719,7 +719,7 @@ static void omap_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) struct gpio_bank *bank; int unmasked = 0; struct irq_chip *irqchip = irq_desc_get_chip(desc); - struct gpio_chip *chip = irq_get_handler_data(irq); + struct gpio_chip *chip = irq_desc_get_handler_data(desc); chained_irq_enter(irqchip, desc); diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 1741981d53c8..89ed8a56eb0b 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -268,16 +268,14 @@ static void tegra_gpio_irq_shutdown(struct irq_data *d) static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) { - struct tegra_gpio_bank *bank; int port; int pin; int unmasked = 0; struct irq_chip *chip = irq_desc_get_chip(desc); + struct tegra_gpio_bank *bank = irq_desc_get_handler_data(desc); chained_irq_enter(chip, desc); - bank = irq_get_handler_data(irq); - for (port = 0; port < 4; port++) { int gpio = tegra_gpio_compose(bank->bank, port, 0); unsigned long sta = tegra_gpio_readl(GPIO_INT_STA(gpio)) & diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c index e8f97e03c9bb..d4e8cb4f2e53 100644 --- a/drivers/gpio/gpio-timberdale.c +++ b/drivers/gpio/gpio-timberdale.c @@ -194,7 +194,7 @@ out: static void timbgpio_irq(unsigned int irq, struct irq_desc *desc) { - struct timbgpio *tgpio = irq_get_handler_data(irq); + struct timbgpio *tgpio = irq_desc_get_handler_data(desc); unsigned long ipr; int offset; diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 7bd9f209ffa8..fa344388f4da 100644 --- a/drivers/gpio/gpio-vf610.c +++ b/drivers/gpio/gpio-vf610.c @@ -120,7 +120,7 @@ static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, static void vf610_gpio_irq_handler(u32 irq, struct irq_desc *desc) { - struct vf610_gpio_port *port = irq_get_handler_data(irq); + struct vf610_gpio_port *port = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); int pin; unsigned long irq_isfr; diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index aea6075e5b2e..70e3a568b1cb 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -499,7 +499,7 @@ static void zynq_gpio_irqhandler(unsigned int irq, struct irq_desc *desc) { u32 int_sts, int_enb; unsigned int bank_num; - struct zynq_gpio *gpio = irq_get_handler_data(irq); + struct zynq_gpio *gpio = irq_desc_get_handler_data(desc); struct irq_chip *irqchip = irq_desc_get_chip(desc); chained_irq_enter(irqchip, desc); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/