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Groups > linux.kernel > #1479907
| From | Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 3/3] intel-mid: Move boundry check to the start of init code |
| Date | 2016-09-09 13:40 +0200 |
| Message-ID | <sfsk1-2dK-9@gated-at.bofh.it> (permalink) |
| References | <sezxf-1jF-1@gated-at.bofh.it> <sfjA5-5sJ-1@gated-at.bofh.it> |
| Organization | Intel Finland Oy |
On Thu, 2016-09-08 at 19:07 -0700, Kuppuswamy Sathyanarayanan wrote:
> Moved the instance boundary check to the start of the pcal9555a
> platform init code. This will prevent unnecessary initialization
> on instance boundary error.
I don't see how it makes any better.
I would drop this patch.
>
> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@
> linux.intel.com>
> ---
> arch/x86/platform/intel-mid/device_libs/platform_pcal9555a.c | 12
> ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/arch/x86/platform/intel-
> mid/device_libs/platform_pcal9555a.c b/arch/x86/platform/intel-
> mid/device_libs/platform_pcal9555a.c
> index cde764e..4e5dd95 100644
> --- a/arch/x86/platform/intel-mid/device_libs/platform_pcal9555a.c
> +++ b/arch/x86/platform/intel-mid/device_libs/platform_pcal9555a.c
> @@ -34,6 +34,12 @@ static void __init *pcal9555a_platform_data(void
> *info)
> char intr_pin_name[SFI_NAME_LEN + 1];
> int gpio_base, intr;
>
> + if (nr >= PCAL9555A_NUM) {
> + pr_err("%s: Too many instances, only %d supported\n",
> __func__,
> + PCAL9555A_NUM);
> + return ERR_PTR(-ENOMEM);
> + }
> +
> snprintf(base_pin_name, sizeof(base_pin_name), "%s_base",
> type);
> snprintf(intr_pin_name, sizeof(intr_pin_name), "%s_int",
> type);
>
> @@ -47,12 +53,6 @@ static void __init *pcal9555a_platform_data(void
> *info)
> return NULL;
> }
>
> - if (nr >= PCAL9555A_NUM) {
> - pr_err("%s: Too many instances, only %d supported\n",
> __func__,
> - PCAL9555A_NUM);
> - return ERR_PTR(-ENOMEM);
> - }
> -
> pcal9555a = &pcal9555a_pdata[nr++];
> pcal9555a->gpio_base = gpio_base;
>
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
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[PATCH 1/1] intel-mid: Fix sfi get_platform_data() return value issues Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> - 2016-09-07 03:10 +0200
Re: [PATCH 1/1] intel-mid: Fix sfi get_platform_data() return value issues Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-09-07 14:20 +0200
Re: [PATCH 1/1] intel-mid: Fix sfi get_platform_data() return value issues sathyanarayanan kuppuswamy <sathyanarayanan.kuppuswamy@linux.intel.com> - 2016-09-08 02:10 +0200
Re: [PATCH 1/1] intel-mid: Fix sfi get_platform_data() return value issues Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-09-08 11:50 +0200
[PATCH v2 1/1] intel-mid: Fix sfi get_platform_data() return value issues Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> - 2016-09-08 02:10 +0200
Re: [PATCH v2 1/1] intel-mid: Fix sfi get_platform_data() return value issues Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-09-08 15:00 +0200
Re: [PATCH v2 1/1] intel-mid: Fix sfi get_platform_data() return value issues sathyanarayanan kuppuswamy <sathyanarayanan.kuppuswamy@linux.intel.com> - 2016-09-09 00:50 +0200
Re: [PATCH v2 1/1] intel-mid: Fix sfi get_platform_data() return value issues Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-09-09 13:30 +0200
[PATCH v3 3/3] intel-mid: Move boundry check to the start of init code Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> - 2016-09-09 04:20 +0200
Re: [PATCH v3 3/3] intel-mid: Move boundry check to the start of init code Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-09-09 13:40 +0200
[PATCH v3 1/3] intel-mid: Fix sfi get_platform_data() return value issues Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> - 2016-09-09 04:20 +0200
[PATCH v3 2/3] intel-mid: Add valid error messages on init failure Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> - 2016-09-09 04:20 +0200
Re: [PATCH v3 2/3] intel-mid: Add valid error messages on init failure Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-09-09 13:30 +0200
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