diff mbox

[2/2] mfd: ab8500-debugfs: remove unused function

Message ID 1474695413-30460-1-git-send-email-baoyou.xie@linaro.org
State New
Headers show

Commit Message

Baoyou Xie Sept. 24, 2016, 5:36 a.m. UTC
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(-)

-- 
2.7.4

Comments

Linus Walleij Oct. 4, 2016, 12:14 p.m. UTC | #1
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
Lee Jones Oct. 4, 2016, 2:39 p.m. UTC | #2
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
diff mbox

Patch

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;