Re: [PATCH 15/20] media: atomisp: Remove sw_contex.power_state checks

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, Nov 20, 2022 at 11:40:56PM +0100, Hans de Goede wrote:
> Remove the unnecessary sw_contex.power_state checks:
> 
> 1. atomisp_freq_scaling() and atomisp_stop_streaming() only run when the
>    ISP is powered up through runtime-pm, so the checkes are not necessary
> 
> 2. atomisp_mrfld_pre_power_down() and atomisp_runtime_resume() are only
>    called through the driver-core pm handling code which already
>    guarantees they are not called when already powered down / up.
> 
> 3. atomisp_isr() also checks isp->css_initialized which only gets set
>    by atomisp_css_init() which runs *after* powering up the ISP and
>    which gets cleared by atomisp_css_uninit() *before* before powering
>    down the ISP.
> 
> So all the checks are unnecessary, remove them as well as the
> sw_contex.power_state field itself.

...

> +	/*Turn on ISP d-phy */

While at it, you may add a whitespace after /*.

> +	ret = atomisp_ospm_dphy_up(isp);
> +	if (ret) {
> +		dev_err(isp->dev, "Failed to power up ISP!.\n");
> +		return -EINVAL;
>  	}

-- 
With Best Regards,
Andy Shevchenko






[Index of Archives]     [Linux Driver Development]     [Linux Driver Backports]     [DMA Engine]     [Linux GPIO]     [Linux SPI]     [Video for Linux]     [Linux USB Devel]     [Linux Coverity]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux