Re: [PATCH 07/22] m68k/mac: baboon - Modernize printing of kernel messages

From: Finn Thain
Date: Wed Dec 07 2016 - 17:54:37 EST



On Wed, 7 Dec 2016, Geert Uytterhoeven wrote:

> - Introduce helpers for printing debug messages, incl. dummies for
> validating format strings when debugging is disabled,
> - Convert from printk() to pr_*(),
> - Drop superfluous casts.
>
> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> ---
> arch/m68k/mac/baboon.c | 22 ++++++++++------------
> 1 file changed, 10 insertions(+), 12 deletions(-)
>
> diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
> index f6f7d42713ec8b95..5dac92227654419b 100644
> --- a/arch/m68k/mac/baboon.c
> +++ b/arch/m68k/mac/baboon.c
> @@ -15,6 +15,11 @@
> #include <asm/mac_baboon.h>
>
> /* #define DEBUG_IRQS */
> +#ifdef DEBUG_IRQS
> +#define pr_irq(fmt, ...) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
> +#else
> +#define pr_irq(fmt, ...) no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
> +#endif
>

I'd prefer to drop the DEBUG_IRQS printk messages in this file.

Thanks.

> int baboon_present;
> static volatile struct baboon *baboon;
> @@ -38,7 +43,7 @@ void __init baboon_init(void)
> baboon = (struct baboon *) BABOON_BASE;
> baboon_present = 1;
>
> - printk("Baboon detected at %p\n", baboon);
> + pr_info("Baboon detected at %p\n", baboon);
> }
>
> /*
> @@ -50,11 +55,8 @@ static void baboon_irq(struct irq_desc *desc)
> int irq_bit, irq_num;
> unsigned char events;
>
> -#ifdef DEBUG_IRQS
> - printk("baboon_irq: mb_control %02X mb_ifr %02X mb_status %02X\n",
> - (uint) baboon->mb_control, (uint) baboon->mb_ifr,
> - (uint) baboon->mb_status);
> -#endif
> + pr_irq("baboon_irq: mb_control %02X mb_ifr %02X mb_status %02X\n",
> + baboon->mb_control, baboon->mb_ifr, baboon->mb_status);
>
> events = baboon->mb_ifr & 0x07;
> if (!events)
> @@ -97,18 +99,14 @@ void __init baboon_register_interrupts(void)
>
> void baboon_irq_enable(int irq)
> {
> -#ifdef DEBUG_IRQUSE
> - printk("baboon_irq_enable(%d)\n", irq);
> -#endif
> + pr_irq("baboon_irq_enable(%d)\n", irq);
>
> mac_irq_enable(irq_get_irq_data(IRQ_NUBUS_C));
> }
>
> void baboon_irq_disable(int irq)
> {
> -#ifdef DEBUG_IRQUSE
> - printk("baboon_irq_disable(%d)\n", irq);
> -#endif
> + pr_irq("baboon_irq_disable(%d)\n", irq);
>
> mac_irq_disable(irq_get_irq_data(IRQ_NUBUS_C));
> }
>

--