Hi Colin,
On Sat, 2018-01-06 at 17:28 +0000, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Don't populate the const read-only array 'int_reg' on the stack but instead
> make it static. Makes the object code smaller by over 80 bytes:
>
> Before:
> text data bss dec hex filename
> 28024 8936 192 37152 9120 drivers/gpu/ipu-v3/ipu-common.o
>
> After:
> text data bss dec hex filename
> 27794 9080 192 37066 90ca drivers/gpu/ipu-v3/ipu-common.o
>
> (gcc version 7.2.0 x86_64)
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Thank you for the patch.
> ---
> drivers/gpu/ipu-v3/ipu-common.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
> index 658fa2d3e40c..babf1aee7ca5 100644
> --- a/drivers/gpu/ipu-v3/ipu-common.c
> +++ b/drivers/gpu/ipu-v3/ipu-common.c
> @@ -1089,7 +1089,7 @@ static void ipu_irq_handler(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};
> + static const int int_reg[] = { 0, 1, 2, 3, 10, 11, 12, 13, 14};
>
> chained_irq_enter(chip, desc);
There's the same issue in ipu_irq_err_handler right below:
----------8<----------
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index babf1aee7ca58..48685cddbad1b 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -1102,7 +1102,7 @@ static void ipu_err_irq_handler(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};
+ static const int int_reg[] = { 4, 5, 8, 9};
chained_irq_enter(chip, desc);
---------->8----------
If you don't mind, I'll amend this change.
regards
Philipp
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