On Thu, Jun 04, 2015 at 12:13:21PM +0800, Jiang Liu wrote:
> 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)".
And I am missing the context, it is a bad practice to send some part of the
series without giving context. Is this dependent on something else...?
--
~Vinod
>
> Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
> ---
> 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
>
--
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