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[PATCH 1/2] irqchip/renesas-intc-irqpin: List fallback compatibility last

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  [PATCH 1/2] irqchip/renesas-intc-irqpin: List fallback compatibility last Simon Horman <horms+renesas@verge.net.au> - 2016-12-09 12:00 +0100
    Re: [PATCH 1/2] irqchip/renesas-intc-irqpin: List fallback  compatibility last Geert Uytterhoeven <geert@linux-m68k.org> - 2016-12-09 13:50 +0100

#1539258 — [PATCH 1/2] irqchip/renesas-intc-irqpin: List fallback compatibility last

Improve readability by listing the rmobile fallback compatibility string
after the more-specific compatibility strings they provide a fallback for.

This does not effect run-time behaviour as it is the order in the DTB that
determines which compatibility string is used.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/irqchip/irq-renesas-intc-irqpin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
index 713177d97c7a..5fe1207a079c 100644
--- a/drivers/irqchip/irq-renesas-intc-irqpin.c
+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c
@@ -374,7 +374,6 @@ static const struct intc_irqpin_config intc_irqpin_rmobile = {
 };
 
 static const struct of_device_id intc_irqpin_dt_ids[] = {
-	{ .compatible = "renesas,intc-irqpin", },
 	{ .compatible = "renesas,intc-irqpin-r8a7778",
 	  .data = &intc_irqpin_irlm_r8a777x },
 	{ .compatible = "renesas,intc-irqpin-r8a7779",
@@ -383,6 +382,7 @@ static const struct of_device_id intc_irqpin_dt_ids[] = {
 	  .data = &intc_irqpin_rmobile },
 	{ .compatible = "renesas,intc-irqpin-sh73a0",
 	  .data = &intc_irqpin_rmobile },
+	{ .compatible = "renesas,intc-irqpin", },
 	{},
 };
 MODULE_DEVICE_TABLE(of, intc_irqpin_dt_ids);
-- 
2.7.0.rc3.207.g0ac5344

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#1539324 — Re: [PATCH 1/2] irqchip/renesas-intc-irqpin: List fallback compatibility last

Hi Simon,

On Fri, Dec 9, 2016 at 11:50 AM, Simon Horman
<horms+renesas@verge.net.au> wrote:
> Improve readability by listing the rmobile fallback compatibility string

s/rmobile/generic/

> after the more-specific compatibility strings they provide a fallback for.
>
> This does not effect run-time behaviour as it is the order in the DTB that
> determines which compatibility string is used.
>
> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
> ---
>  drivers/irqchip/irq-renesas-intc-irqpin.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
> index 713177d97c7a..5fe1207a079c 100644
> --- a/drivers/irqchip/irq-renesas-intc-irqpin.c
> +++ b/drivers/irqchip/irq-renesas-intc-irqpin.c
> @@ -374,7 +374,6 @@ static const struct intc_irqpin_config intc_irqpin_rmobile = {
>  };
>
>  static const struct of_device_id intc_irqpin_dt_ids[] = {
> -       { .compatible = "renesas,intc-irqpin", },
>         { .compatible = "renesas,intc-irqpin-r8a7778",
>           .data = &intc_irqpin_irlm_r8a777x },
>         { .compatible = "renesas,intc-irqpin-r8a7779",
> @@ -383,6 +382,7 @@ static const struct of_device_id intc_irqpin_dt_ids[] = {
>           .data = &intc_irqpin_rmobile },
>         { .compatible = "renesas,intc-irqpin-sh73a0",
>           .data = &intc_irqpin_rmobile },
> +       { .compatible = "renesas,intc-irqpin", },

BTW, I'm wondering what's the added value of keeping the generic
"renesas,intc-irqpin" fallback. There is no user of the pure generic version
only, and all SoC-specific versions are treated slightly different.

>         {},
>  };
>  MODULE_DEVICE_TABLE(of, intc_irqpin_dt_ids);

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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