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Re: [PATCH v2 4/6] hpet: replace printk by their pr_xxx counterparts

From Joe Perches <joe@perches.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 4/6] hpet: replace printk by their pr_xxx counterparts
Date 2017-04-03 21:50 +0200
Message-ID <tsg9b-2Mf-3@gated-at.bofh.it> (permalink)
References <ts97I-6L2-1@gated-at.bofh.it> <ts97J-6L2-31@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, 2017-04-03 at 14:15 +0200, Corentin Labbe wrote:
> This patch replace all printk by their pr_xxx counterparts.

All?  There are others in this file no?
printk(KERN_CONT and printk(KERN_WARNING

And the conversion of

	printk(KERN_DEBUG
to
	pr_debug(

is not equivalent.  printk(KERN_DEBUG is always emitted.
pr_debug is only emitted with #define DEBUG or CONFIG_DYNAMIC_DEBUG
and a specific enabling of the line.

> Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> ---
>  drivers/char/hpet.c | 15 ++++++---------
>  1 file changed, 6 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
> index 7a35739..59e89e5 100644
> --- a/drivers/char/hpet.c
> +++ b/drivers/char/hpet.c
> @@ -491,7 +491,7 @@ static int hpet_ioctl_ieon(struct hpet_dev *devp)
>  		irq_flags = devp->hd_flags & HPET_SHARED_IRQ ? IRQF_SHARED : 0;
>  		if (request_irq(irq, hpet_interrupt, irq_flags,
>  				devp->hd_name, (void *)devp)) {
> -			printk(KERN_ERR "hpet: IRQ %d is not free\n", irq);
> +			pr_err("hpet: IRQ %d is not free\n", irq);
>  			irq = 0;
>  		}
>  	}
> @@ -841,8 +841,7 @@ int hpet_alloc(struct hpet_data *hdp)
>  	 * ACPI has also reported, then we catch it here.
>  	 */
>  	if (hpet_is_known(hdp)) {
> -		printk(KERN_DEBUG "%s: duplicate HPET ignored\n",
> -			__func__);
> +		pr_debug("%s: duplicate HPET ignored\n", __func__);
>  		return 0;
>  	}
>  
> @@ -870,8 +869,7 @@ int hpet_alloc(struct hpet_data *hdp)
>  	ntimer = ((cap & HPET_NUM_TIM_CAP_MASK) >> HPET_NUM_TIM_CAP_SHIFT) + 1;
>  
>  	if (hpetp->hp_ntimer != ntimer) {
> -		printk(KERN_WARNING "hpet: number irqs doesn't agree"
> -		       " with number of timers\n");
> +		pr_warn("hpet: number irqs doesn't agree with number of timers\n");
>  		kfree(hpetp);
>  		return -ENODEV;
>  	}
> @@ -890,7 +888,7 @@ int hpet_alloc(struct hpet_data *hdp)
>  	do_div(temp, period);
>  	hpetp->hp_tick_freq = temp; /* ticks per second */
>  
> -	printk(KERN_INFO "hpet%d: at MMIO 0x%lx, IRQ%s",
> +	pr_info("hpet%d: at MMIO 0x%lx, IRQ%s",
>  		hpetp->hp_which, hdp->hd_phys_address,
>  		hpetp->hp_ntimer > 1 ? "s" : "");
>  	for (i = 0; i < hpetp->hp_ntimer; i++)
> @@ -899,8 +897,7 @@ int hpet_alloc(struct hpet_data *hdp)
>  
>  	temp = hpetp->hp_tick_freq;
>  	remainder = do_div(temp, 1000000);
> -	printk(KERN_INFO
> -		"hpet%u: %u comparators, %d-bit %u.%06u MHz counter\n",
> +	pr_info("hpet%u: %u comparators, %d-bit %u.%06u MHz counter\n",
>  		hpetp->hp_which, hpetp->hp_ntimer,
>  		cap & HPET_COUNTER_SIZE_MASK ? 64 : 32,
>  		(unsigned)temp, remainder);
> @@ -1020,7 +1017,7 @@ static int hpet_acpi_add(struct acpi_device *device)
>  	if (!data.hd_address || !data.hd_nirqs) {
>  		if (data.hd_address)
>  			iounmap(data.hd_address);
> -		printk("%s: no address or irqs in _CRS\n", __func__);
> +		pr_err("%s: no address or irqs in _CRS\n", __func__);
>  		return -ENODEV;
>  	}
>  

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Thread

[PATCH v2 0/6] hpet: fix build warnings and style Corentin Labbe <clabbe.montjoie@gmail.com> - 2017-04-03 14:20 +0200
  [PATCH v2 1/6] hpet: remove unused variable hpet in hpet_ioctl_common Corentin Labbe <clabbe.montjoie@gmail.com> - 2017-04-03 14:20 +0200
  [PATCH v2 5/6] hpet: removing unused variable m in hpet_interrupt Corentin Labbe <clabbe.montjoie@gmail.com> - 2017-04-03 14:20 +0200
    Re: [PATCH v2 5/6] hpet: removing unused variable m in hpet_interrupt Clemens Ladisch <clemens@ladisch.de> - 2017-04-03 15:10 +0200
      Re: [PATCH 1/2] Alps HID I2C T4 device support Nikolaus Rath <Nikolaus@rath.org> - 2017-04-04 05:10 +0200
        RE: [PATCH 1/2] Alps HID I2C T4 device support Masaki Ota <masaki.ota@jp.alps.com> - 2017-04-04 09:00 +0200
          RE: [PATCH 1/2] Alps HID I2C T4 device support Masaki Ota <masaki.ota@jp.alps.com> - 2017-04-05 01:50 +0200
            Re: [PATCH 1/2] Alps HID I2C T4 device support Nikolaus Rath <Nikolaus@rath.org> - 2017-04-05 01:50 +0200
              RE: [PATCH 1/2] Alps HID I2C T4 device support Masaki Ota <masaki.ota@jp.alps.com> - 2017-04-05 01:50 +0200
                Re: [PATCH 1/2] Alps HID I2C T4 device support Nikolaus Rath <Nikolaus@rath.org> - 2017-04-05 02:10 +0200
                RE: [PATCH 1/2] Alps HID I2C T4 device support Masaki Ota <masaki.ota@jp.alps.com> - 2017-04-05 10:50 +0200
                Re: [PATCH 1/2] Alps HID I2C T4 device support Nikolaus Rath <Nikolaus@rath.org> - 2017-04-05 20:40 +0200
                RE: [PATCH 1/2] Alps HID I2C T4 device support Masaki Ota <masaki.ota@jp.alps.com> - 2017-04-06 03:10 +0200
                Re: [PATCH 1/2] Alps HID I2C T4 device support Nikolaus Rath <Nikolaus@rath.org> - 2017-04-07 01:10 +0200
  [PATCH v2 2/6] hpet: remove unused writeq/readq function definitions Corentin Labbe <clabbe.montjoie@gmail.com> - 2017-04-03 14:20 +0200
  [PATCH v2 6/6] hpet: fix style issue about braces and alignment Corentin Labbe <clabbe.montjoie@gmail.com> - 2017-04-03 14:20 +0200
    Re: [PATCH v2 6/6] hpet: fix style issue about braces and alignment Joe Perches <joe@perches.com> - 2017-04-04 05:50 +0200
  [PATCH v2 4/6] hpet: replace printk by their pr_xxx counterparts Corentin Labbe <clabbe.montjoie@gmail.com> - 2017-04-03 14:20 +0200
    Re: [PATCH v2 4/6] hpet: replace printk by their pr_xxx counterparts Joe Perches <joe@perches.com> - 2017-04-03 21:50 +0200
  [PATCH v2 3/6] hpet: fix checkpatch complains about spaces Corentin Labbe <clabbe.montjoie@gmail.com> - 2017-04-03 14:20 +0200

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