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From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Yong Zhi <yong.zhi@intel.com>, Bingbu Cao <bingbu.cao@intel.com>,
	Tian Shu Qiu <tian.shu.qiu@intel.com>,
	linux-media@vger.kernel.org,
	Mauro Carvalho Chehab <mchehab@kernel.org>
Subject: Re: [PATCH v1 1/7] media: ipu3-cio2: Simplify cleanup code
Date: Fri, 14 Aug 2020 23:16:17 +0300	[thread overview]
Message-ID: <20200814201617.GE24582@paasikivi.fi.intel.com> (raw)
In-Reply-To: <20200814163017.35001-1-andriy.shevchenko@linux.intel.com>

Hi Andy,

Thanks for the patchset.

On Fri, Aug 14, 2020 at 07:30:11PM +0300, Andy Shevchenko wrote:
> The code looks more nicer if we use:
> 	while (i--)
> instead:
> 	for (i = i - 1; i >= 0; i--)
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  drivers/media/pci/intel/ipu3/ipu3-cio2.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c
> index 92f5eadf2c99..c7c3692a6e72 100644
> --- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c
> +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c
> @@ -887,7 +887,7 @@ static int cio2_vb2_buf_init(struct vb2_buffer *vb)
>  	b->lop[i][j] = cio2->dummy_page_bus_addr >> PAGE_SHIFT;
>  	return 0;
>  fail:
> -	for (i--; i >= 0; i--)
> +	while (i--)

Nice! This would also allow making i unsigned again.

>  		dma_free_coherent(dev, CIO2_PAGE_SIZE,
>  				  b->lop[i], b->lop_bus_addr[i]);
>  	return -ENOMEM;

-- 
Sakari Ailus

  parent reply	other threads:[~2020-08-14 20:16 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-14 16:30 [PATCH v1 1/7] media: ipu3-cio2: Simplify cleanup code Andy Shevchenko
2020-08-14 16:30 ` [PATCH v1 2/7] media: ipu3-cio2: Introduce CIO2_MAX_ENTRIES constant Andy Shevchenko
2020-08-14 20:18   ` Sakari Ailus
2020-08-17 11:46     ` Andy Shevchenko
2020-08-14 16:30 ` [PATCH v1 3/7] media: ipu2-cio2: Replace custom definition with PAGE_SIZE Andy Shevchenko
2020-08-14 16:30 ` [PATCH v1 4/7] media: ipu3-cio2: Use macros from pfn.h Andy Shevchenko
2020-08-14 16:30 ` [PATCH v1 5/7] media: ipu3-cio2: Replace infinite loop by one with clear exit condition Andy Shevchenko
2020-08-17 10:21   ` Bingbu Cao
2020-08-17 11:47     ` Andy Shevchenko
2020-08-14 16:30 ` [PATCH v1 6/7] media: ipu3-cio2: Use readl_poll_timeout() helper Andy Shevchenko
2020-08-17  9:27   ` Bingbu Cao
2020-08-17  9:44     ` Andy Shevchenko
2020-08-17 11:13       ` Sakari Ailus
2020-08-17 11:20         ` Andy Shevchenko
2020-08-17 11:27           ` Sakari Ailus
2020-08-17 11:33             ` Andy Shevchenko
2020-08-17 11:55               ` Sakari Ailus
2020-08-17 12:29                 ` Andy Shevchenko
2020-08-17 12:44                   ` Sakari Ailus
2020-08-14 16:30 ` [PATCH v1 7/7] media: ipu3-cio2: Update Copyright year and fix indentation issues Andy Shevchenko
2020-08-14 20:16 ` Sakari Ailus [this message]
2020-08-17 14:37   ` [PATCH v1 1/7] media: ipu3-cio2: Simplify cleanup code Andy Shevchenko

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