Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1337953

Re: [PATCH v1 1/2] mfd: intel_quark_i2c_gpio: remove clock tree on error path

From Andy Shevchenko <andy.shevchenko@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH v1 1/2] mfd: intel_quark_i2c_gpio: remove clock tree on error path
Date 2016-02-19 09:20 +0100
Message-ID <r3Os9-295-9@gated-at.bofh.it> (permalink)
References <r37wS-51u-21@gated-at.bofh.it> <r3JiN-6Fz-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Fri, Feb 19, 2016 at 4:45 AM, Stephen Boyd <sboyd@codeaurora.org> wrote:
> On 02/17, Andy Shevchenko wrote:
>> diff --git a/drivers/mfd/intel_quark_i2c_gpio.c b/drivers/mfd/intel_quark_i2c_gpio.c
>> index bdc5e27..43d8066 100644
>> --- a/drivers/mfd/intel_quark_i2c_gpio.c
>> +++ b/drivers/mfd/intel_quark_i2c_gpio.c
>> @@ -150,11 +150,10 @@ static void intel_quark_unregister_i2c_clk(struct pci_dev *pdev)
>>  {
>>       struct intel_quark_mfd *quark_mfd = dev_get_drvdata(&pdev->dev);
>>
>> -     if (!quark_mfd->i2c_clk || !quark_mfd->i2c_clk_lookup)
>> +     clk_unregister(quark_mfd->i2c_clk);
>> +     if (!quark_mfd->i2c_clk_lookup)
>>               return;
>> -
>>       clkdev_drop(quark_mfd->i2c_clk_lookup);
>
> It's probably not a great idea to unregister the clk before the
> lookup is dropped. I suppose nothing too bad will happen though
> because we handle this case in the framework and substitute dummy
> ops in place of the real ones.

Thanks for pointing this out.

Okay, I will re-do this. I think the correct one is to add
clk_unregister() call to the _register_i2c_clk().



-- 
With Best Regards,
Andy Shevchenko

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

[PATCH v1 1/2] mfd: intel_quark_i2c_gpio: remove clock tree on error path Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-02-17 11:40 +0100
  Re: [PATCH v1 1/2] mfd: intel_quark_i2c_gpio: remove clock tree on  error path Stephen Boyd <sboyd@codeaurora.org> - 2016-02-19 03:50 +0100
    Re: [PATCH v1 1/2] mfd: intel_quark_i2c_gpio: remove clock tree on  error path Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-02-19 09:20 +0100

csiph-web