From: Jiang Liu <jiang.liu@linux.intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Bjorn Helgaas <bhelgaas@google.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Randy Dunlap <rdunlap@infradead.org>,
Yinghai Lu <yinghai@kernel.org>, Borislav Petkov <bp@alien8.de>,
Anatolij Gustschin <agust@denx.de>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Arnd Bergmann <arnd@arndb.de>
Cc: cbe-oss-dev@lists.ozlabs.org, Tony Luck <tony.luck@intel.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
linux-pci@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org,
Jiang Liu <jiang.liu@linux.intel.com>
Subject: [RFC v1 04/25] powerpc, irq: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc
Date: Wed, 20 May 2015 17:59:52 +0800 [thread overview]
Message-ID: <1432116013-25902-5-git-send-email-jiang.liu@linux.intel.com> (raw)
In-Reply-To: <1432116013-25902-1-git-send-email-jiang.liu@linux.intel.com>
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>
---
arch/powerpc/platforms/52xx/mpc52xx_gpt.c | 2 +-
arch/powerpc/platforms/cell/axon_msi.c | 2 +-
arch/powerpc/platforms/embedded6xx/hlwd-pic.c | 2 +-
arch/powerpc/sysdev/uic.c | 2 +-
arch/powerpc/sysdev/xics/xics-common.c | 2 +-
5 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index c949ca055712..63016621aff8 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -193,7 +193,7 @@ static struct irq_chip mpc52xx_gpt_irq_chip = {
void mpc52xx_gpt_irq_cascade(unsigned int virq, struct irq_desc *desc)
{
- struct mpc52xx_gpt_priv *gpt = irq_get_handler_data(virq);
+ struct mpc52xx_gpt_priv *gpt = irq_desc_get_handler_data(desc);
int sub_virq;
u32 status;
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index 623bd961465a..817d0e6747ea 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -95,7 +95,7 @@ static void msic_dcr_write(struct axon_msic *msic, unsigned int dcr_n, u32 val)
static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
- struct axon_msic *msic = irq_get_handler_data(irq);
+ struct axon_msic *msic = irq_desc_get_handler_data(desc);
u32 write_offset, msi;
int idx;
int retry = 0;
diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
index c269caee58f9..9dd154d6f89a 100644
--- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
+++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
@@ -124,7 +124,7 @@ static void hlwd_pic_irq_cascade(unsigned int cascade_virq,
struct irq_desc *desc)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
- struct irq_domain *irq_domain = irq_get_handler_data(cascade_virq);
+ struct irq_domain *irq_domain = irq_desc_get_handler_data(desc);
unsigned int virq;
raw_spin_lock(&desc->lock);
diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c
index 7c37157d4c24..e763fe215cf5 100644
--- a/arch/powerpc/sysdev/uic.c
+++ b/arch/powerpc/sysdev/uic.c
@@ -198,7 +198,7 @@ void uic_irq_cascade(unsigned int virq, struct irq_desc *desc)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
struct irq_data *idata = irq_desc_get_irq_data(desc);
- struct uic *uic = irq_get_handler_data(virq);
+ struct uic *uic = irq_desc_get_handler_data(desc);
u32 msr;
int src;
int subvirq;
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c
index 878a54036a25..76be7b00dd80 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -227,7 +227,7 @@ void xics_migrate_irqs_away(void)
/* Locate interrupt server */
server = -1;
- ics = irq_get_chip_data(virq);
+ ics = irq_desc_get_chip_data(desc);
if (ics)
server = ics->get_server(ics, irq);
if (server < 0) {
--
1.7.10.4
next parent reply other threads:[~2015-05-20 9:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1432116013-25902-1-git-send-email-jiang.liu@linux.intel.com>
2015-05-20 9:59 ` Jiang Liu [this message]
2015-06-02 9:58 ` [RFC, v1, 04/25] powerpc, irq: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc Michael Ellerman
2015-05-20 10:00 ` [RFC v1 16/25] genirq: Kill the first parameter 'irq' of irq_flow_handler_t Jiang Liu
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