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powerpc: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc

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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>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Jiang Liu 2015-05-20 17:59:52 +08:00 • committed by Michael Ellerman
commit c1231a784a
5 changed files with 5 additions and 5 deletions
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2
arch/powerpc/platforms/52xx/mpc52xx_gpt.c
View file

@ -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;

2
arch/powerpc/platforms/cell/axon_msi.c
View file

@ -96,7 +96,7 @@ 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;

2
arch/powerpc/platforms/embedded6xx/hlwd-pic.c
View file

@ -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);

2
arch/powerpc/sysdev/uic.c
View file

@ -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;

2
arch/powerpc/sysdev/xics/xics-common.c
View file

@ -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) {