dmaengine: ipu: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc
Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc while we
already have a pointer to corresponding irq_desc.
This is also a preparation for the removal of the 'irq' argument from
interrupt flow handlers.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: dmaengine@vger.kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 6d2f39d..5521787 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_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_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);