Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753300AbbETKAk (ORCPT ); Wed, 20 May 2015 06:00:40 -0400 Received: from mga09.intel.com ([134.134.136.24]:19946 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752679AbbETKAe (ORCPT ); Wed, 20 May 2015 06:00:34 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,464,1427785200"; d="scan'208";a="574173056" From: Jiang Liu To: Thomas Gleixner , Bjorn Helgaas , Benjamin Herrenschmidt , Ingo Molnar , "H. Peter Anvin" , "Rafael J. Wysocki" , Randy Dunlap , Yinghai Lu , Borislav Petkov , Dan Williams , Vinod Koul , Jiang Liu , Philipp Zabel , Steve Longerbeam Cc: Konrad Rzeszutek Wilk , Tony Luck , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, dmaengine@vger.kernel.org Subject: [RFC v1 09/25] ipu: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc Date: Wed, 20 May 2015 17:59:57 +0800 Message-Id: <1432116013-25902-10-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: 2136 Lines: 56 Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc while we already have a pointer to corresponding irq_desc. Do the same thing to avoid pattern "irq_get_chip_data(data->irq)". Signed-off-by: Jiang Liu --- drivers/dma/ipu/ipu_irq.c | 2 +- drivers/gpu/ipu-v3/ipu-common.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c index 2e284a4438bc..0e12af37fe2f 100644 --- a/drivers/dma/ipu/ipu_irq.c +++ b/drivers/dma/ipu/ipu_irq.c @@ -268,7 +268,7 @@ 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 = irq_get_handler_data(irq); + struct ipu *ipu = irq_desc_get_handler_data(desc); u32 status; int i, line; diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index 67bab5c36056..7022825b7a2c 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -915,8 +915,8 @@ static void ipu_irq_handle(struct ipu_soc *ipu, const int *regs, int num_regs) static void ipu_irq_handler(unsigned int irq, struct irq_desc *desc) { struct ipu_soc *ipu = irq_desc_get_handler_data(desc); + struct irq_chip *chip = irq_desc_get_chip(desc); const int int_reg[] = { 0, 1, 2, 3, 10, 11, 12, 13, 14}; - struct irq_chip *chip = irq_get_chip(irq); chained_irq_enter(chip, desc); @@ -928,8 +928,8 @@ static void ipu_irq_handler(unsigned int irq, struct irq_desc *desc) static void ipu_err_irq_handler(unsigned int irq, struct irq_desc *desc) { struct ipu_soc *ipu = irq_desc_get_handler_data(desc); + struct irq_chip *chip = irq_desc_get_chip(desc); const int int_reg[] = { 4, 5, 8, 9}; - struct irq_chip *chip = irq_get_chip(irq); chained_irq_enter(chip, 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/