Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1328859
| From | Keerthy <a0393675@ti.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] gpio: davinci: Fix the number of controllers allocated |
| Date | 2016-02-08 10:50 +0100 |
| Message-ID | <qZQCe-3pM-1@gated-at.bofh.it> (permalink) |
| References | <qVUXM-43r-27@gated-at.bofh.it> <qVUXM-43r-25@gated-at.bofh.it> <qVVAu-4Ce-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thursday 28 January 2016 07:48 PM, Grygorii Strashko wrote:
> On 01/28/2016 03:38 PM, Keerthy wrote:
>> From: Lokesh Vutla <lokeshvutla@ti.com>
>>
>> Driver only needs to allocate for [ngpio / 32] controllers,
>> as each controller handles 32 gpios. But the current driver
>> allocates for ngpio of which the extra allocated are unused.
>> Fix it be registering only the required number of controllers.
>>
>> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
>> Signed-off-by: Keerthy <j-keerthy@ti.com>
>
> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
A gentle ping on this patch. Thanks Grygorii for the review.
>
>> ---
>> drivers/gpio/gpio-davinci.c | 5 +++--
>> 1 file changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
>> index c889f31..cd007a6 100644
>> --- a/drivers/gpio/gpio-davinci.c
>> +++ b/drivers/gpio/gpio-davinci.c
>> @@ -195,7 +195,7 @@ static int davinci_gpio_of_xlate(struct gpio_chip
>> *gc,
>> static int davinci_gpio_probe(struct platform_device *pdev)
>> {
>> int i, base;
>> - unsigned ngpio;
>> + unsigned ngpio, nbank;
>> struct davinci_gpio_controller *chips;
>> struct davinci_gpio_platform_data *pdata;
>> struct davinci_gpio_regs __iomem *regs;
>> @@ -224,8 +224,9 @@ static int davinci_gpio_probe(struct
>> platform_device *pdev)
>> if (WARN_ON(ARCH_NR_GPIOS < ngpio))
>> ngpio = ARCH_NR_GPIOS;
>>
>> + nbank = DIV_ROUND_UP(ngpio, 32);
>> chips = devm_kzalloc(dev,
>> - ngpio * sizeof(struct davinci_gpio_controller),
>> + nbank * sizeof(struct davinci_gpio_controller),
>> GFP_KERNEL);
>> if (!chips)
>> return -ENOMEM;
>>
>
>
Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread
[PATCH 2/2] gpio: davinci: Fix the number of controllers allocated Keerthy <j-keerthy@ti.com> - 2016-01-28 14:40 +0100
Re: [PATCH 2/2] gpio: davinci: Fix the number of controllers allocated Grygorii Strashko <grygorii.strashko@ti.com> - 2016-01-28 15:20 +0100
Re: [PATCH 2/2] gpio: davinci: Fix the number of controllers allocated Keerthy <a0393675@ti.com> - 2016-02-08 10:50 +0100
csiph-web