From: Bingbu Cao <bingbu.cao@linux.intel.com>
To: Sakari Ailus <sakari.ailus@linux.intel.com>, linux-media@vger.kernel.org
Cc: tian.shu.qiu@intel.com, antti.laakso@linux.intel.com,
mehdi.djait@linux.intel.com
Subject: Re: [PATCH v4 03/14] media: ipu6: Remove redundant driver data checks
Date: Thu, 8 Jan 2026 16:17:05 +0800 [thread overview]
Message-ID: <ac11978f-50c6-6458-5dfc-d180e6594fbf@linux.intel.com> (raw)
In-Reply-To: <20260108081712.543704-4-sakari.ailus@linux.intel.com>
Sakari,
Thanks for the patch.
Reviewed-by: Bingbu Cao <bingbu.cao@intel.com>
On 1/8/26 4:17 PM, Sakari Ailus wrote:
> Both runtime PM resume and suspend callbacks check whether the driver's
> data is set for the device. This is done in probe(); drop the redundant
> checks.
>
> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> Reviewed-by: Bingbu Cao <bingbu.cao@intel.com>
> ---
> drivers/media/pci/intel/ipu6/ipu6-isys.c | 9 +--------
> 1 file changed, 1 insertion(+), 8 deletions(-)
>
> diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys.c b/drivers/media/pci/intel/ipu6/ipu6-isys.c
> index 226bfae21c16..ef01dcb635fa 100644
> --- a/drivers/media/pci/intel/ipu6/ipu6-isys.c
> +++ b/drivers/media/pci/intel/ipu6/ipu6-isys.c
> @@ -857,9 +857,6 @@ static int isys_runtime_pm_resume(struct device *dev)
> unsigned long flags;
> int ret;
>
> - if (!isys)
> - return 0;
> -
> ret = ipu6_mmu_hw_init(adev->mmu);
> if (ret)
> return ret;
> @@ -884,13 +881,9 @@ static int isys_runtime_pm_resume(struct device *dev)
> static int isys_runtime_pm_suspend(struct device *dev)
> {
> struct ipu6_bus_device *adev = to_ipu6_bus_device(dev);
> - struct ipu6_isys *isys;
> + struct ipu6_isys *isys = dev_get_drvdata(dev);
> unsigned long flags;
>
> - isys = dev_get_drvdata(dev);
> - if (!isys)
> - return 0;
> -
> spin_lock_irqsave(&isys->power_lock, flags);
> isys->power = 0;
> spin_unlock_irqrestore(&isys->power_lock, flags);
>
--
Best regards,
Bingbu Cao
next prev parent reply other threads:[~2026-01-08 8:27 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-08 8:16 [PATCH v4 00/14] IPU6 driver cleanups and fixes Sakari Ailus
2026-01-08 8:16 ` [PATCH v4 01/14] media: ipu6: Ensure stream_mutex is acquired when dealing with node list Sakari Ailus
2026-01-08 8:16 ` [PATCH v4 02/14] media: ipu6: Drop MMU hardware initialisation in probe() Sakari Ailus
2026-01-08 8:16 ` Bingbu Cao
2026-01-08 8:17 ` [PATCH v4 03/14] media: ipu6: Remove redundant driver data checks Sakari Ailus
2026-01-08 8:17 ` Bingbu Cao [this message]
2026-01-08 8:17 ` [PATCH v4 04/14] media: ipu6: Make symbols static Sakari Ailus
2026-01-08 8:17 ` Bingbu Cao
2026-01-08 8:17 ` [PATCH v4 05/14] media: ipu6: Remove redundant streaming start via buffer queueing Sakari Ailus
2026-01-08 8:17 ` [PATCH v4 06/14] media: ipu6: Don't check pipeline in stream_start Sakari Ailus
2026-01-08 8:17 ` Bingbu Cao
2026-01-08 8:17 ` [PATCH v4 07/14] media: ipu6: Close firmware streams on streaming enable failure Sakari Ailus
2026-01-08 8:18 ` Bingbu Cao
2026-01-08 8:17 ` [PATCH v4 08/14] media: ipu6: Always close firmware stream Sakari Ailus
2026-01-08 8:19 ` Bingbu Cao
2026-01-08 8:17 ` [PATCH v4 09/14] media: ipu6: Drop error argument from ipu6_isys_stream_start() Sakari Ailus
2026-01-08 8:19 ` Bingbu Cao
2026-01-08 8:17 ` [PATCH v4 10/14] media: ipu6: Obtain remote pad using media_pad_remote_pad_unique() Sakari Ailus
2026-01-08 8:20 ` Bingbu Cao
2026-01-08 8:17 ` [PATCH v4 11/14] media: ipu6: Obtain unique source pad from remote sub-device Sakari Ailus
2026-01-08 8:20 ` Bingbu Cao
2026-01-08 12:28 ` Mehdi Djait
2026-01-08 12:36 ` Sakari Ailus
2026-01-08 8:17 ` [PATCH v4 12/14] media: ipu6: Remove source_entity from struct ipu6_isys_stream Sakari Ailus
2026-01-08 8:17 ` [PATCH v4 13/14] media: ipu6: Drop custom functions to obtain sd state information Sakari Ailus
2026-01-08 8:22 ` Bingbu Cao
2026-01-08 8:17 ` [PATCH v4 14/14] media: ipu6: Always call video_device_pipeline_alloc_start() Sakari Ailus
2026-01-08 12:44 ` [PATCH v4 00/14] IPU6 driver cleanups and fixes Mehdi Djait
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