[RFC v1 09/25] ipu: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc

Jiang Liu
2015-05-20T10:00:40Z

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 <jiang.liu@linux.intel.com>
---
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