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SubjectRe: [PATCH] rtc: rtc-puv3: Add __devinit and __devexit markers for probe and remove
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Hi Axel,
The patch yield following warnings:

WARNING: drivers/rtc/built-in.o(.data+0x90): Section mismatch in
reference from the variable puv3_rtcdrv to the
function .devinit.text:puv3_rtc_probe()
The variable puv3_rtcdrv references
the function __devinit puv3_rtc_probe()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the
variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one,
*_console

WARNING: drivers/rtc/built-in.o(.data+0x94): Section mismatch in
reference from the variable puv3_rtcdrv to the
function .devexit.text:puv3_rtc_remove()
The variable puv3_rtcdrv references
the function __devexit puv3_rtc_remove()
If the reference is valid then annotate the
variable with __exit* (see linux/init.h) or name the variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one,
*_console

WARNING: drivers/built-in.o(.data+0x6c04): Section mismatch in reference
from the variable puv3_rtcdrv to the
function .devinit.text:puv3_rtc_probe()
The variable puv3_rtcdrv references
the function __devinit puv3_rtc_probe()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the
variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one,
*_console

WARNING: drivers/built-in.o(.data+0x6c08): Section mismatch in reference
from the variable puv3_rtcdrv to the
function .devexit.text:puv3_rtc_remove()
The variable puv3_rtcdrv references
the function __devexit puv3_rtc_remove()
If the reference is valid then annotate the
variable with __exit* (see linux/init.h) or name the variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one,
*_console

WARNING: vmlinux.o(.data+0x1126c): Section mismatch in reference from
the variable puv3_rtcdrv to the function .devinit.text:puv3_rtc_probe()
The variable puv3_rtcdrv references
the function __devinit puv3_rtc_probe()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the
variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one,
*_console

WARNING: vmlinux.o(.data+0x11270): Section mismatch in reference from
the variable puv3_rtcdrv to the function .devexit.text:puv3_rtc_remove()
The variable puv3_rtcdrv references
the function __devexit puv3_rtc_remove()
If the reference is valid then annotate the
variable with __exit* (see linux/init.h) or name the variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one,
*_console

For puv3_rtc_probe, I think it should be in the white-list, but warnings
are yielded.
For puv3_rtc_remove, the warning could be disappeared by modifying
__devexit to __exit, however is it proper?

Also,
Cc: Michal Marek <mmarek@suse.cz>
Cc: Arnd Bergmann <arnd@arndb.de>

Any advice is appreciated, thanks.

Guan Xuetao


On Wed, 2011-10-05 at 22:29 +0800, Axel Lin wrote:
> Signed-off-by: Axel Lin <axel.lin@gmail.com>
> ---
> drivers/rtc/rtc-puv3.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c
> index b3eba3c..e4b6880 100644
> --- a/drivers/rtc/rtc-puv3.c
> +++ b/drivers/rtc/rtc-puv3.c
> @@ -220,7 +220,7 @@ static void puv3_rtc_enable(struct platform_device *pdev, int en)
> }
> }
>
> -static int puv3_rtc_remove(struct platform_device *dev)
> +static int __devexit puv3_rtc_remove(struct platform_device *dev)
> {
> struct rtc_device *rtc = platform_get_drvdata(dev);
>
> @@ -236,7 +236,7 @@ static int puv3_rtc_remove(struct platform_device *dev)
> return 0;
> }
>
> -static int puv3_rtc_probe(struct platform_device *pdev)
> +static int __devinit puv3_rtc_probe(struct platform_device *pdev)
> {
> struct rtc_device *rtc;
> struct resource *res;




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