From: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
To: Damien Cassou <damien.cassou@lifl.fr>
Cc: Christopher Hoover <ch@murgatroid.com>,
kernel-janitors@vger.kernel.org, linux-fbdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/5] drivers/video/epson1355fb.c: use devm_ functions
Date: Thu, 23 Aug 2012 20:40:42 +0000 [thread overview]
Message-ID: <5036954A.6000207@gmx.de> (raw)
In-Reply-To: <1344008414-2894-2-git-send-email-damien.cassou@lifl.fr>
On 08/03/2012 03:40 PM, Damien Cassou wrote:
> From: Damien Cassou <damien.cassou@lifl.fr>
>
> The various devm_ functions allocate memory that is released when a driver
> detaches. This patch uses these functions for data that is allocated in the
> probe function of a platform device and is only freed in the remove function.
>
> Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Applied.
Thanks,
Florian Tobias Schandinat
>
> ---
> drivers/video/epson1355fb.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/video/epson1355fb.c b/drivers/video/epson1355fb.c
> index 68b9b51..246da1e 100644
> --- a/drivers/video/epson1355fb.c
> +++ b/drivers/video/epson1355fb.c
> @@ -592,12 +592,8 @@ static int epson1355fb_remove(struct platform_device *dev)
>
> if (info) {
> fb_dealloc_cmap(&info->cmap);
> - if (info->screen_base)
> - iounmap(info->screen_base);
> framebuffer_release(info);
> }
> - release_mem_region(EPSON1355FB_FB_PHYS, EPSON1355FB_FB_LEN);
> - release_mem_region(EPSON1355FB_REGS_PHYS, EPSON1355FB_REGS_LEN);
> return 0;
> }
>
> @@ -608,15 +604,18 @@ static int __devinit epson1355fb_probe(struct platform_device *dev)
> u8 revision;
> int rc = 0;
>
> - if (!request_mem_region(EPSON1355FB_REGS_PHYS, EPSON1355FB_REGS_LEN, "S1D13505 registers")) {
> + if (!devm_request_mem_region(&dev->dev, EPSON1355FB_REGS_PHYS,
> + EPSON1355FB_REGS_LEN,
> + "S1D13505 registers")) {
> printk(KERN_ERR "epson1355fb: unable to reserve "
> "registers at 0x%0x\n", EPSON1355FB_REGS_PHYS);
> rc = -EBUSY;
> goto bail;
> }
>
> - if (!request_mem_region(EPSON1355FB_FB_PHYS, EPSON1355FB_FB_LEN,
> - "S1D13505 framebuffer")) {
> + if (!devm_request_mem_region(&dev->dev, EPSON1355FB_FB_PHYS,
> + EPSON1355FB_FB_LEN,
> + "S1D13505 framebuffer")) {
> printk(KERN_ERR "epson1355fb: unable to reserve "
> "framebuffer at 0x%0x\n", EPSON1355FB_FB_PHYS);
> rc = -EBUSY;
> @@ -638,7 +637,8 @@ static int __devinit epson1355fb_probe(struct platform_device *dev)
> }
> info->pseudo_palette = default_par->pseudo_palette;
>
> - info->screen_base = ioremap(EPSON1355FB_FB_PHYS, EPSON1355FB_FB_LEN);
> + info->screen_base = devm_ioremap(&dev->dev, EPSON1355FB_FB_PHYS,
> + EPSON1355FB_FB_LEN);
> if (!info->screen_base) {
> printk(KERN_ERR "epson1355fb: unable to map framebuffer\n");
> rc = -ENOMEM;
>
next prev parent reply other threads:[~2012-08-23 20:40 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-03 15:40 [PATCH 0/5] use devm_ functions Damien Cassou
2012-08-03 15:40 ` [PATCH 1/5] drivers/video/epson1355fb.c: " Damien Cassou
2012-08-23 20:40 ` Florian Tobias Schandinat [this message]
2012-08-03 15:40 ` [PATCH 3/5] drivers/video/jz4740_fb.c: " Damien Cassou
2012-08-23 20:41 ` Florian Tobias Schandinat
2012-09-02 15:19 ` Lars-Peter Clausen
2012-08-03 15:40 ` [PATCH 2/5] drivers/video/bf54x-lq043fb.c: " Damien Cassou
2012-08-23 20:41 ` Florian Tobias Schandinat
2012-08-03 15:40 ` [PATCH 5/5] drivers/video/msm/mddi_client_nt35399.c: " Damien Cassou
2012-08-06 9:06 ` Dan Carpenter
2012-08-09 17:38 ` David Brown
2012-08-23 20:42 ` Florian Tobias Schandinat
2012-08-03 15:40 ` [PATCH 4/5] drivers/video/msm/mddi_client_dummy.c: " Damien Cassou
2012-08-09 17:39 ` David Brown
2012-08-09 17:57 ` David Brown
2012-08-28 8:42 ` Damien Cassou
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