Date:   Tue, 27 Sep 2016 21:07:52 +0200
From:   Benjamin Gaignard <benjamin.gaignard@...aro.org>
To:     Sean Paul <seanpaul@...omium.org>
Cc:     Baoyou Xie <baoyou.xie@...aro.org>,
        Vincent Abriou <vincent.abriou@...com>,
        Dave Airlie <airlied@...ux.ie>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Baoyou Xie <xie.baoyou@....com.cn>, han.fei@....com.cn,
        tang.qiang007@....com.cn
Subject: Re: [PATCH] drm/sti: mark symbols static where possible

I think that create conflicts with what is already in Vincent pull
request where we have fix the problem reported by coccicheck and
sparse.

https://lists.freedesktop.org/archives/dri-devel/2016-September/118892.html

Benjamin

2016-09-27 18:35 GMT+02:00 Sean Paul <seanpaul@...omium.org>:
> On Sun, Sep 25, 2016 at 3:57 AM, Baoyou Xie <baoyou.xie@...aro.org> wrote:
>> We get 6 warnings when building kernel with W=1:
>> drivers/gpu/drm/sti/sti_mixer.c:361:6: warning: no previous prototype for 'sti_mixer_set_matrix' [-Wmissing-prototypes]
>> drivers/gpu/drm/sti/sti_dvo.c:109:5: warning: no previous prototype for 'dvo_awg_generate_code' [-Wmissing-prototypes]
>> drivers/gpu/drm/sti/sti_gdp.c:476:5: warning: no previous prototype for 'sti_gdp_field_cb' [-Wmissing-prototypes]
>> drivers/gpu/drm/sti/sti_hqvdp.c:786:5: warning: no previous prototype for 'sti_hqvdp_vtg_cb' [-Wmissing-prototypes]
>> drivers/gpu/drm/sti/sti_hqvdp.c:1292:5: warning: no previous prototype for 'sti_hqvdp_bind' [-Wmissing-prototypes]
>> drivers/gpu/drm/sti/sti_drv.c:143:6: warning: no previous prototype for 'sti_drm_dbg_cleanup' [-Wmissing-prototypes]
>>
>> In fact, these functions are only used in the file in which they are
>> declared and don't need a declaration, but can be made static.
>> So this patch marks these functions with 'static'.
>>
>> Signed-off-by: Baoyou Xie <baoyou.xie@...aro.org>
>
> Applied to -misc, thanks.
>
> Sean
>
>> ---
>>  drivers/gpu/drm/sti/sti_drv.c   | 2 +-
>>  drivers/gpu/drm/sti/sti_dvo.c   | 3 ++-
>>  drivers/gpu/drm/sti/sti_gdp.c   | 2 +-
>>  drivers/gpu/drm/sti/sti_hqvdp.c | 5 +++--
>>  drivers/gpu/drm/sti/sti_mixer.c | 2 +-
>>  5 files changed, 8 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
>> index 7cd3804..e6f0706 100644
>> --- a/drivers/gpu/drm/sti/sti_drv.c
>> +++ b/drivers/gpu/drm/sti/sti_drv.c
>> @@ -140,7 +140,7 @@ static int sti_drm_dbg_init(struct drm_minor *minor)
>>         return ret;
>>  }
>>
>> -void sti_drm_dbg_cleanup(struct drm_minor *minor)
>> +static void sti_drm_dbg_cleanup(struct drm_minor *minor)
>>  {
>>         drm_debugfs_remove_files(sti_drm_dbg_list,
>>                                  ARRAY_SIZE(sti_drm_dbg_list), minor);
>> diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c
>> index 00881eb..4545ad0 100644
>> --- a/drivers/gpu/drm/sti/sti_dvo.c
>> +++ b/drivers/gpu/drm/sti/sti_dvo.c
>> @@ -106,7 +106,8 @@ struct sti_dvo_connector {
>>         container_of(x, struct sti_dvo_connector, drm_connector)
>>
>>  #define BLANKING_LEVEL 16
>> -int dvo_awg_generate_code(struct sti_dvo *dvo, u8 *ram_size, u32 *ram_code)
>> +static int
>> +dvo_awg_generate_code(struct sti_dvo *dvo, u8 *ram_size, u32 *ram_code)
>>  {
>>         struct drm_display_mode *mode = &dvo->mode;
>>         struct dvo_config *config = dvo->config;
>> diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
>> index b8d942c..4648d1b 100644
>> --- a/drivers/gpu/drm/sti/sti_gdp.c
>> +++ b/drivers/gpu/drm/sti/sti_gdp.c
>> @@ -473,7 +473,7 @@ static void sti_gdp_disable(struct sti_gdp *gdp)
>>   * RETURNS:
>>   * 0 on success.
>>   */
>> -int sti_gdp_field_cb(struct notifier_block *nb,
>> +static int sti_gdp_field_cb(struct notifier_block *nb,
>>                 unsigned long event, void *data)
>>  {
>>         struct sti_gdp *gdp = container_of(nb, struct sti_gdp, vtg_field_nb);
>> diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c
>> index b5ee783..7f0dea8 100644
>> --- a/drivers/gpu/drm/sti/sti_hqvdp.c
>> +++ b/drivers/gpu/drm/sti/sti_hqvdp.c
>> @@ -783,7 +783,8 @@ static void sti_hqvdp_disable(struct sti_hqvdp *hqvdp)
>>   * RETURNS:
>>   * 0 on success.
>>   */
>> -int sti_hqvdp_vtg_cb(struct notifier_block *nb, unsigned long evt, void *data)
>> +static int
>> +sti_hqvdp_vtg_cb(struct notifier_block *nb, unsigned long evt, void *data)
>>  {
>>         struct sti_hqvdp *hqvdp = container_of(nb, struct sti_hqvdp, vtg_nb);
>>         int btm_cmd_offset, top_cmd_offest;
>> @@ -1289,7 +1290,7 @@ static struct drm_plane *sti_hqvdp_create(struct drm_device *drm_dev,
>>         return &hqvdp->plane.drm_plane;
>>  }
>>
>> -int sti_hqvdp_bind(struct device *dev, struct device *master, void *data)
>> +static int sti_hqvdp_bind(struct device *dev, struct device *master, void *data)
>>  {
>>         struct sti_hqvdp *hqvdp = dev_get_drvdata(dev);
>>         struct drm_device *drm_dev = data;
>> diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c
>> index 7d9aea8..b78cec5 100644
>> --- a/drivers/gpu/drm/sti/sti_mixer.c
>> +++ b/drivers/gpu/drm/sti/sti_mixer.c
>> @@ -358,7 +358,7 @@ int sti_mixer_set_plane_status(struct sti_mixer *mixer,
>>         return 0;
>>  }
>>
>> -void sti_mixer_set_matrix(struct sti_mixer *mixer)
>> +static void sti_mixer_set_matrix(struct sti_mixer *mixer)
>>  {
>>         unsigned int i;
>>
>> --
>> 2.7.4
>>



-- 
Benjamin Gaignard

Graphic Study Group

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