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Commit 4d9efdfc authored by Jiang Liu's avatar Jiang Liu Committed by Vinod Koul
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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: default avatarJiang 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: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent d7fdb356

drivers/dma/ipu/ipu_irq.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/ipu-v3/ipu-common.c

+2 −2
Original line number Diff line number Diff line
@@ -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);