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[PATCH] pinctrl-bcm2835: Fix cut-and-paste error in "pull" parsing

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  [PATCH] pinctrl-bcm2835: Fix cut-and-paste error in "pull" parsing Eric Anholt <eric@anholt.net> - 2016-03-01 02:40 +0100
    Re: [PATCH] pinctrl-bcm2835: Fix cut-and-paste error in "pull"  parsing Phil Elwell <phil@raspberrypi.org> - 2016-03-01 10:20 +0100
    Re: [PATCH] pinctrl-bcm2835: Fix cut-and-paste error in "pull"  parsing Stephen Warren <swarren@wwwdotorg.org> - 2016-03-03 22:10 +0100

#1346280 — [PATCH] pinctrl-bcm2835: Fix cut-and-paste error in "pull" parsing

From: Phil Elwell <phil@raspberrypi.org>

The DT bindings for pinctrl-bcm2835 allow both the function and pull
to contain either one entry or one per pin. However, an error in the
DT parsing can cause failures if the number of pulls differs from the
number of functions.

Signed-off-by: Eric Anholt <eric@anholt.net>
Cc: stable@vger.kernel.org
---

Yes, the s-o-b differs from the author of the commit, but this falls
under part b) of the process.

Phil, any chance you could start putting Signed-off-by lines on your
kernel commits?

 drivers/pinctrl/bcm/pinctrl-bcm2835.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
index 0f5997c..08b1d93 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -779,7 +779,7 @@ static int bcm2835_pctl_dt_node_to_map(struct pinctrl_dev *pctldev,
 		}
 		if (num_pulls) {
 			err = of_property_read_u32_index(np, "brcm,pull",
-					(num_funcs > 1) ? i : 0, &pull);
+					(num_pulls > 1) ? i : 0, &pull);
 			if (err)
 				goto out;
 			err = bcm2835_pctl_dt_node_to_map_pull(pc, np, pin,
-- 
2.7.0

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#1346470 — Re: [PATCH] pinctrl-bcm2835: Fix cut-and-paste error in "pull" parsing

On 01/03/2016 01:30, Eric Anholt wrote:
> From: Phil Elwell <phil@raspberrypi.org>
>
> The DT bindings for pinctrl-bcm2835 allow both the function and pull
> to contain either one entry or one per pin. However, an error in the
> DT parsing can cause failures if the number of pulls differs from the
> number of functions.
>
> Signed-off-by: Eric Anholt <eric@anholt.net>
> Cc: stable@vger.kernel.org
> ---
>
> Yes, the s-o-b differs from the author of the commit, but this falls
> under part b) of the process.
>
> Phil, any chance you could start putting Signed-off-by lines on your
> kernel commits?
>
>  drivers/pinctrl/bcm/pinctrl-bcm2835.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
> index 0f5997c..08b1d93 100644
> --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
> +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
> @@ -779,7 +779,7 @@ static int bcm2835_pctl_dt_node_to_map(struct pinctrl_dev *pctldev,
>  		}
>  		if (num_pulls) {
>  			err = of_property_read_u32_index(np, "brcm,pull",
> -					(num_funcs > 1) ? i : 0, &pull);
> +					(num_pulls > 1) ? i : 0, &pull);
>  			if (err)
>  				goto out;
>  			err = bcm2835_pctl_dt_node_to_map_pull(pc, np, pin,
Signed-off-by: Phil Elwell <phil@raspberrypi.org>

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#1349576 — Re: [PATCH] pinctrl-bcm2835: Fix cut-and-paste error in "pull" parsing

On 02/29/2016 06:30 PM, Eric Anholt wrote:
> From: Phil Elwell <phil@raspberrypi.org>
>
> The DT bindings for pinctrl-bcm2835 allow both the function and pull
> to contain either one entry or one per pin. However, an error in the
> DT parsing can cause failures if the number of pulls differs from the
> number of functions.
>
> Signed-off-by: Eric Anholt <eric@anholt.net>
> Cc: stable@vger.kernel.org
> ---
>
> Yes, the s-o-b differs from the author of the commit, but this falls
> under part b) of the process.

I'd argue that part (b) only applies if the s-o-b line is present in the 
original, otherwise I'm not sure how it's clear the author intended to 
publish their source under the license in question. That's why I've 
always beedn careful to go back and ask the original author to give 
their s-o-b, like you did. Some commits at least in the earlier Pi 
Foundation kernels also clearly had incorrect git author values, or were 
squashed together forms of multiple peoples' work:-(

Luckily it's a moot point since Phil gave his s-o-b.

Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>

Does a similar bug exist in any other pinctrl drivers?

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