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* [PATCH] iio: mxs-lradc: indexes are unsigned
@ 2013-01-08  1:05 Fabio Estevam
  2013-01-08  6:57 ` Marek Vasut
  0 siblings, 1 reply; 3+ messages in thread
From: Fabio Estevam @ 2013-01-08  1:05 UTC (permalink / raw)
  To: jic23; +Cc: marex, linux-iio, Fabio Estevam

From: Fabio Estevam <fabio.estevam@freescale.com>

Fix the following warning when building with W=1 option:

drivers/staging/iio/adc/mxs-lradc.c: In function 'mxs_lradc_trigger_handler':
drivers/staging/iio/adc/mxs-lradc.c:244:2: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
 drivers/staging/iio/adc/mxs-lradc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index fb31b45..6cf3af8 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -239,7 +239,7 @@ static irqreturn_t mxs_lradc_trigger_handler(int irq, void *p)
 	struct mxs_lradc *lradc = iio_priv(iio);
 	const uint32_t chan_value = LRADC_CH_ACCUMULATE |
 		((LRADC_DELAY_TIMER_LOOP - 1) << LRADC_CH_NUM_SAMPLES_OFFSET);
-	int i, j = 0;
+	u32 i, j = 0;
 
 	for_each_set_bit(i, iio->active_scan_mask, iio->masklength) {
 		lradc->buffer[j] = readl(lradc->base + LRADC_CH(j));
-- 
1.7.9.5


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] iio: mxs-lradc: indexes are unsigned
  2013-01-08  1:05 [PATCH] iio: mxs-lradc: indexes are unsigned Fabio Estevam
@ 2013-01-08  6:57 ` Marek Vasut
  2013-01-09 20:07   ` Jonathan Cameron
  0 siblings, 1 reply; 3+ messages in thread
From: Marek Vasut @ 2013-01-08  6:57 UTC (permalink / raw)
  To: Fabio Estevam; +Cc: jic23, linux-iio, Fabio Estevam

Dear Fabio Estevam,

> From: Fabio Estevam <fabio.estevam@freescale.com>
> 
> Fix the following warning when building with W=1 option:
> 
> drivers/staging/iio/adc/mxs-lradc.c: In function
> 'mxs_lradc_trigger_handler': drivers/staging/iio/adc/mxs-lradc.c:244:2:
> warning: comparison between signed and unsigned integer expressions
> [-Wsign-compare]
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

Maybe use "unsigned int" instead? Either way:

Acked-by: Marek Vasut <marex@denx.de>

> ---
>  drivers/staging/iio/adc/mxs-lradc.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/iio/adc/mxs-lradc.c
> b/drivers/staging/iio/adc/mxs-lradc.c index fb31b45..6cf3af8 100644
> --- a/drivers/staging/iio/adc/mxs-lradc.c
> +++ b/drivers/staging/iio/adc/mxs-lradc.c
> @@ -239,7 +239,7 @@ static irqreturn_t mxs_lradc_trigger_handler(int irq,
> void *p) struct mxs_lradc *lradc = iio_priv(iio);
>  	const uint32_t chan_value = LRADC_CH_ACCUMULATE |
>  		((LRADC_DELAY_TIMER_LOOP - 1) << LRADC_CH_NUM_SAMPLES_OFFSET);
> -	int i, j = 0;
> +	u32 i, j = 0;
> 
>  	for_each_set_bit(i, iio->active_scan_mask, iio->masklength) {
>  		lradc->buffer[j] = readl(lradc->base + LRADC_CH(j));

Best regards,
Marek Vasut

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] iio: mxs-lradc: indexes are unsigned
  2013-01-08  6:57 ` Marek Vasut
@ 2013-01-09 20:07   ` Jonathan Cameron
  0 siblings, 0 replies; 3+ messages in thread
From: Jonathan Cameron @ 2013-01-09 20:07 UTC (permalink / raw)
  To: Marek Vasut; +Cc: Fabio Estevam, linux-iio, Fabio Estevam

On 01/08/2013 06:57 AM, Marek Vasut wrote:
> Dear Fabio Estevam,
> 
>> From: Fabio Estevam <fabio.estevam@freescale.com>
>>
>> Fix the following warning when building with W=1 option:
>>
>> drivers/staging/iio/adc/mxs-lradc.c: In function
>> 'mxs_lradc_trigger_handler': drivers/staging/iio/adc/mxs-lradc.c:244:2:
>> warning: comparison between signed and unsigned integer expressions
>> [-Wsign-compare]
>>
>> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
> 
> Maybe use "unsigned int" instead? Either way:
>
Agreed, I've switched it over on the assumption no one will mind.

If one of you wants to check I didn't do anything silly
that would be great.
> Acked-by: Marek Vasut <marex@denx.de>
added to fixes-togreg branch of iio.git on git.kernel.org
> 
>> ---
>>  drivers/staging/iio/adc/mxs-lradc.c |    2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/staging/iio/adc/mxs-lradc.c
>> b/drivers/staging/iio/adc/mxs-lradc.c index fb31b45..6cf3af8 100644
>> --- a/drivers/staging/iio/adc/mxs-lradc.c
>> +++ b/drivers/staging/iio/adc/mxs-lradc.c
>> @@ -239,7 +239,7 @@ static irqreturn_t mxs_lradc_trigger_handler(int irq,
>> void *p) struct mxs_lradc *lradc = iio_priv(iio);
>>  	const uint32_t chan_value = LRADC_CH_ACCUMULATE |
>>  		((LRADC_DELAY_TIMER_LOOP - 1) << LRADC_CH_NUM_SAMPLES_OFFSET);
>> -	int i, j = 0;
>> +	u32 i, j = 0;
>>
>>  	for_each_set_bit(i, iio->active_scan_mask, iio->masklength) {
>>  		lradc->buffer[j] = readl(lradc->base + LRADC_CH(j));
> 
> Best regards,
> Marek Vasut
> --
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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2013-01-09 20:07 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2013-01-08  1:05 [PATCH] iio: mxs-lradc: indexes are unsigned Fabio Estevam
2013-01-08  6:57 ` Marek Vasut
2013-01-09 20:07   ` Jonathan Cameron

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