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* [PATCH 2/2] mfd: ab8500-debugfs: remove unused function
@ 2016-09-24  5:36 ` Baoyou Xie
  0 siblings, 0 replies; 6+ messages in thread
From: Baoyou Xie @ 2016-09-24  5:36 UTC (permalink / raw)
  To: linus.walleij, lee.jones
  Cc: linux-arm-kernel, linux-kernel, arnd, baoyou.xie, xie.baoyou

We get 1 warning when building kernel with W=1:
drivers/mfd/ab8500-debugfs.c:1395:6: warning: no previous prototype for 'ab8500_dump_all_banks_to_mem' [-Wmissing-prototypes]

In fact, this function is called by no one and not exported,
so this patch removes it.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
---
 drivers/mfd/ab8500-debugfs.c | 54 --------------------------------------------
 1 file changed, 54 deletions(-)

diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c
index 0aecd7b..9f04a25 100644
--- a/drivers/mfd/ab8500-debugfs.c
+++ b/drivers/mfd/ab8500-debugfs.c
@@ -1382,60 +1382,6 @@ void ab8500_dump_all_banks(struct device *dev)
 	}
 }
 
-/* Space for 500 registers. */
-#define DUMP_MAX_REGS 700
-static struct ab8500_register_dump
-{
-	u8 bank;
-	u8 reg;
-	u8 value;
-} ab8500_complete_register_dump[DUMP_MAX_REGS];
-
-/* This shall only be called upon kernel panic! */
-void ab8500_dump_all_banks_to_mem(void)
-{
-	int i, r = 0;
-	u8 bank;
-	int err = 0;
-
-	pr_info("Saving all ABB registers for crash analysis.\n");
-
-	for (bank = 0; bank < AB8500_NUM_BANKS; bank++) {
-		for (i = 0; i < debug_ranges[bank].num_ranges; i++) {
-			u8 reg;
-
-			for (reg = debug_ranges[bank].range[i].first;
-			     reg <= debug_ranges[bank].range[i].last;
-			     reg++) {
-				u8 value;
-
-				err = prcmu_abb_read(bank, reg, &value, 1);
-
-				if (err < 0)
-					goto out;
-
-				ab8500_complete_register_dump[r].bank = bank;
-				ab8500_complete_register_dump[r].reg = reg;
-				ab8500_complete_register_dump[r].value = value;
-
-				r++;
-
-				if (r >= DUMP_MAX_REGS) {
-					pr_err("%s: too many register to dump!\n",
-						__func__);
-					err = -EINVAL;
-					goto out;
-				}
-			}
-		}
-	}
-out:
-	if (err >= 0)
-		pr_info("Saved all ABB registers.\n");
-	else
-		pr_info("Failed to save all ABB registers.\n");
-}
-
 static int ab8500_all_banks_open(struct inode *inode, struct file *file)
 {
 	struct seq_file *s;
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH 2/2] mfd: ab8500-debugfs: remove unused function
@ 2016-09-24  5:36 ` Baoyou Xie
  0 siblings, 0 replies; 6+ messages in thread
From: Baoyou Xie @ 2016-09-24  5:36 UTC (permalink / raw)
  To: linux-arm-kernel

We get 1 warning when building kernel with W=1:
drivers/mfd/ab8500-debugfs.c:1395:6: warning: no previous prototype for 'ab8500_dump_all_banks_to_mem' [-Wmissing-prototypes]

In fact, this function is called by no one and not exported,
so this patch removes it.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
---
 drivers/mfd/ab8500-debugfs.c | 54 --------------------------------------------
 1 file changed, 54 deletions(-)

diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c
index 0aecd7b..9f04a25 100644
--- a/drivers/mfd/ab8500-debugfs.c
+++ b/drivers/mfd/ab8500-debugfs.c
@@ -1382,60 +1382,6 @@ void ab8500_dump_all_banks(struct device *dev)
 	}
 }
 
-/* Space for 500 registers. */
-#define DUMP_MAX_REGS 700
-static struct ab8500_register_dump
-{
-	u8 bank;
-	u8 reg;
-	u8 value;
-} ab8500_complete_register_dump[DUMP_MAX_REGS];
-
-/* This shall only be called upon kernel panic! */
-void ab8500_dump_all_banks_to_mem(void)
-{
-	int i, r = 0;
-	u8 bank;
-	int err = 0;
-
-	pr_info("Saving all ABB registers for crash analysis.\n");
-
-	for (bank = 0; bank < AB8500_NUM_BANKS; bank++) {
-		for (i = 0; i < debug_ranges[bank].num_ranges; i++) {
-			u8 reg;
-
-			for (reg = debug_ranges[bank].range[i].first;
-			     reg <= debug_ranges[bank].range[i].last;
-			     reg++) {
-				u8 value;
-
-				err = prcmu_abb_read(bank, reg, &value, 1);
-
-				if (err < 0)
-					goto out;
-
-				ab8500_complete_register_dump[r].bank = bank;
-				ab8500_complete_register_dump[r].reg = reg;
-				ab8500_complete_register_dump[r].value = value;
-
-				r++;
-
-				if (r >= DUMP_MAX_REGS) {
-					pr_err("%s: too many register to dump!\n",
-						__func__);
-					err = -EINVAL;
-					goto out;
-				}
-			}
-		}
-	}
-out:
-	if (err >= 0)
-		pr_info("Saved all ABB registers.\n");
-	else
-		pr_info("Failed to save all ABB registers.\n");
-}
-
 static int ab8500_all_banks_open(struct inode *inode, struct file *file)
 {
 	struct seq_file *s;
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH 2/2] mfd: ab8500-debugfs: remove unused function
  2016-09-24  5:36 ` Baoyou Xie
@ 2016-10-04 12:14   ` Linus Walleij
  -1 siblings, 0 replies; 6+ messages in thread
From: Linus Walleij @ 2016-10-04 12:14 UTC (permalink / raw)
  To: Baoyou Xie
  Cc: Lee Jones, linux-arm-kernel, linux-kernel, Arnd Bergmann, xie.baoyou

On Sat, Sep 24, 2016 at 7:36 AM, Baoyou Xie <baoyou.xie@linaro.org> wrote:

> We get 1 warning when building kernel with W=1:
> drivers/mfd/ab8500-debugfs.c:1395:6: warning: no previous prototype for 'ab8500_dump_all_banks_to_mem' [-Wmissing-prototypes]
>
> In fact, this function is called by no one and not exported,
> so this patch removes it.
>
> Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>

Acked-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [PATCH 2/2] mfd: ab8500-debugfs: remove unused function
@ 2016-10-04 12:14   ` Linus Walleij
  0 siblings, 0 replies; 6+ messages in thread
From: Linus Walleij @ 2016-10-04 12:14 UTC (permalink / raw)
  To: linux-arm-kernel

On Sat, Sep 24, 2016 at 7:36 AM, Baoyou Xie <baoyou.xie@linaro.org> wrote:

> We get 1 warning when building kernel with W=1:
> drivers/mfd/ab8500-debugfs.c:1395:6: warning: no previous prototype for 'ab8500_dump_all_banks_to_mem' [-Wmissing-prototypes]
>
> In fact, this function is called by no one and not exported,
> so this patch removes it.
>
> Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>

Acked-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH 2/2] mfd: ab8500-debugfs: remove unused function
  2016-09-24  5:36 ` Baoyou Xie
@ 2016-10-04 14:39   ` Lee Jones
  -1 siblings, 0 replies; 6+ messages in thread
From: Lee Jones @ 2016-10-04 14:39 UTC (permalink / raw)
  To: Baoyou Xie
  Cc: linus.walleij, linux-arm-kernel, linux-kernel, arnd, xie.baoyou

On Sat, 24 Sep 2016, Baoyou Xie wrote:

> We get 1 warning when building kernel with W=1:
> drivers/mfd/ab8500-debugfs.c:1395:6: warning: no previous prototype for 'ab8500_dump_all_banks_to_mem' [-Wmissing-prototypes]
> 
> In fact, this function is called by no one and not exported,
> so this patch removes it.
> 
> Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
> ---
>  drivers/mfd/ab8500-debugfs.c | 54 --------------------------------------------
>  1 file changed, 54 deletions(-)

This is already in -next:

  e310960300e78764f59a4b044205b02a5c59381a

> diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c
> index 0aecd7b..9f04a25 100644
> --- a/drivers/mfd/ab8500-debugfs.c
> +++ b/drivers/mfd/ab8500-debugfs.c
> @@ -1382,60 +1382,6 @@ void ab8500_dump_all_banks(struct device *dev)
>  	}
>  }
>  
> -/* Space for 500 registers. */
> -#define DUMP_MAX_REGS 700
> -static struct ab8500_register_dump
> -{
> -	u8 bank;
> -	u8 reg;
> -	u8 value;
> -} ab8500_complete_register_dump[DUMP_MAX_REGS];
> -
> -/* This shall only be called upon kernel panic! */
> -void ab8500_dump_all_banks_to_mem(void)
> -{
> -	int i, r = 0;
> -	u8 bank;
> -	int err = 0;
> -
> -	pr_info("Saving all ABB registers for crash analysis.\n");
> -
> -	for (bank = 0; bank < AB8500_NUM_BANKS; bank++) {
> -		for (i = 0; i < debug_ranges[bank].num_ranges; i++) {
> -			u8 reg;
> -
> -			for (reg = debug_ranges[bank].range[i].first;
> -			     reg <= debug_ranges[bank].range[i].last;
> -			     reg++) {
> -				u8 value;
> -
> -				err = prcmu_abb_read(bank, reg, &value, 1);
> -
> -				if (err < 0)
> -					goto out;
> -
> -				ab8500_complete_register_dump[r].bank = bank;
> -				ab8500_complete_register_dump[r].reg = reg;
> -				ab8500_complete_register_dump[r].value = value;
> -
> -				r++;
> -
> -				if (r >= DUMP_MAX_REGS) {
> -					pr_err("%s: too many register to dump!\n",
> -						__func__);
> -					err = -EINVAL;
> -					goto out;
> -				}
> -			}
> -		}
> -	}
> -out:
> -	if (err >= 0)
> -		pr_info("Saved all ABB registers.\n");
> -	else
> -		pr_info("Failed to save all ABB registers.\n");
> -}
> -
>  static int ab8500_all_banks_open(struct inode *inode, struct file *file)
>  {
>  	struct seq_file *s;

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [PATCH 2/2] mfd: ab8500-debugfs: remove unused function
@ 2016-10-04 14:39   ` Lee Jones
  0 siblings, 0 replies; 6+ messages in thread
From: Lee Jones @ 2016-10-04 14:39 UTC (permalink / raw)
  To: linux-arm-kernel

On Sat, 24 Sep 2016, Baoyou Xie wrote:

> We get 1 warning when building kernel with W=1:
> drivers/mfd/ab8500-debugfs.c:1395:6: warning: no previous prototype for 'ab8500_dump_all_banks_to_mem' [-Wmissing-prototypes]
> 
> In fact, this function is called by no one and not exported,
> so this patch removes it.
> 
> Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
> ---
>  drivers/mfd/ab8500-debugfs.c | 54 --------------------------------------------
>  1 file changed, 54 deletions(-)

This is already in -next:

  e310960300e78764f59a4b044205b02a5c59381a

> diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c
> index 0aecd7b..9f04a25 100644
> --- a/drivers/mfd/ab8500-debugfs.c
> +++ b/drivers/mfd/ab8500-debugfs.c
> @@ -1382,60 +1382,6 @@ void ab8500_dump_all_banks(struct device *dev)
>  	}
>  }
>  
> -/* Space for 500 registers. */
> -#define DUMP_MAX_REGS 700
> -static struct ab8500_register_dump
> -{
> -	u8 bank;
> -	u8 reg;
> -	u8 value;
> -} ab8500_complete_register_dump[DUMP_MAX_REGS];
> -
> -/* This shall only be called upon kernel panic! */
> -void ab8500_dump_all_banks_to_mem(void)
> -{
> -	int i, r = 0;
> -	u8 bank;
> -	int err = 0;
> -
> -	pr_info("Saving all ABB registers for crash analysis.\n");
> -
> -	for (bank = 0; bank < AB8500_NUM_BANKS; bank++) {
> -		for (i = 0; i < debug_ranges[bank].num_ranges; i++) {
> -			u8 reg;
> -
> -			for (reg = debug_ranges[bank].range[i].first;
> -			     reg <= debug_ranges[bank].range[i].last;
> -			     reg++) {
> -				u8 value;
> -
> -				err = prcmu_abb_read(bank, reg, &value, 1);
> -
> -				if (err < 0)
> -					goto out;
> -
> -				ab8500_complete_register_dump[r].bank = bank;
> -				ab8500_complete_register_dump[r].reg = reg;
> -				ab8500_complete_register_dump[r].value = value;
> -
> -				r++;
> -
> -				if (r >= DUMP_MAX_REGS) {
> -					pr_err("%s: too many register to dump!\n",
> -						__func__);
> -					err = -EINVAL;
> -					goto out;
> -				}
> -			}
> -		}
> -	}
> -out:
> -	if (err >= 0)
> -		pr_info("Saved all ABB registers.\n");
> -	else
> -		pr_info("Failed to save all ABB registers.\n");
> -}
> -
>  static int ab8500_all_banks_open(struct inode *inode, struct file *file)
>  {
>  	struct seq_file *s;

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2016-10-04 14:39 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-09-24  5:36 [PATCH 2/2] mfd: ab8500-debugfs: remove unused function Baoyou Xie
2016-09-24  5:36 ` Baoyou Xie
2016-10-04 12:14 ` Linus Walleij
2016-10-04 12:14   ` Linus Walleij
2016-10-04 14:39 ` Lee Jones
2016-10-04 14:39   ` Lee Jones

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