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Date: Wed, 7 Apr 2021 15:19:10 +0100
From: Beatriz Martins de Carvalho <martinsdecarvalhobeatriz@...il.com>
To: Hans Verkuil <hverkuil@...all.nl>,
laurent.pinchart@...asonboard.com, mchehab@...nel.org,
gregkh@...uxfoundation.org, linux-media@...r.kernel.org,
linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
outreachy-kernel@...glegroups.com
Subject: Re: [PATCH 1/2] staging: media: omap4iss: Ending line with argument
Em 07/04/21 14:46, Hans Verkuil escreveu:
> Hi Beatriz,
Hi,
>
> I'm now reviewing staging/media patches instead of Greg KH. See Vaishali's
> email from today: "Sending patches for the drivers/staging/media".
Yes, I saw the email! Thanks for helping us!
>
> On 01/04/2021 17:07, Beatriz Martins de Carvalho wrote:
>> Remove checkpatch check "CHECK: Lines should not end with a '('" with
>> argument present in next line and reorganize characters so the lines
>> are under 100 columns
>>
>> Signed-off-by: Beatriz Martins de Carvalho <martinsdecarvalhobeatriz@...il.com>
>> ---
>> drivers/staging/media/omap4iss/iss.c | 46 +++++++++++++---------------
>> 1 file changed, 22 insertions(+), 24 deletions(-)
>>
>> diff --git a/drivers/staging/media/omap4iss/iss.c b/drivers/staging/media/omap4iss/iss.c
>> index dae9073e7d3c..e8f724dbf810 100644
>> --- a/drivers/staging/media/omap4iss/iss.c
>> +++ b/drivers/staging/media/omap4iss/iss.c
>> @@ -559,9 +559,10 @@ static int iss_reset(struct iss_device *iss)
>> iss_reg_set(iss, OMAP4_ISS_MEM_TOP, ISS_HL_SYSCONFIG,
>> ISS_HL_SYSCONFIG_SOFTRESET);
>>
>> - timeout = iss_poll_condition_timeout(
>> - !(iss_reg_read(iss, OMAP4_ISS_MEM_TOP, ISS_HL_SYSCONFIG) &
>> - ISS_HL_SYSCONFIG_SOFTRESET), 1000, 10, 100);
>> + timeout = iss_poll_condition_timeout(!(iss_reg_read(iss,
>> + OMAP4_ISS_MEM_TOP, ISS_HL_SYSCONFIG)
>> + & ISS_HL_SYSCONFIG_SOFTRESET),
>> + 1000, 10, 100);
>> if (timeout) {
>> dev_err(iss->dev, "ISS reset timeout\n");
>> return -ETIMEDOUT;
>> @@ -583,9 +584,10 @@ static int iss_isp_reset(struct iss_device *iss)
>>
>> iss_reg_set(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_CTRL, ISP5_CTRL_MSTANDBY);
>>
>> - timeout = iss_poll_condition_timeout(
>> - iss_reg_read(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_CTRL) &
>> - ISP5_CTRL_MSTANDBY_WAIT, 1000000, 1000, 1500);
>> + timeout = iss_poll_condition_timeout(iss_reg_read(iss,
>> + OMAP4_ISS_MEM_ISP_SYS1, ISP5_CTRL)
>> + & ISP5_CTRL_MSTANDBY_WAIT, 1000000,
>> + 1000, 1500);
>> if (timeout) {
>> dev_err(iss->dev, "ISP5 standby timeout\n");
>> return -ETIMEDOUT;
>> @@ -595,9 +597,10 @@ static int iss_isp_reset(struct iss_device *iss)
>> iss_reg_set(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_SYSCONFIG,
>> ISP5_SYSCONFIG_SOFTRESET);
>>
>> - timeout = iss_poll_condition_timeout(
>> - !(iss_reg_read(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_SYSCONFIG) &
>> - ISP5_SYSCONFIG_SOFTRESET), 1000000, 1000, 1500);
>> + timeout = iss_poll_condition_timeout(!(iss_reg_read(iss, OMAP4_ISS_MEM_ISP_SYS1,
>> + ISP5_SYSCONFIG) &
>> + ISP5_SYSCONFIG_SOFTRESET), 1000000,
>> + 1000, 1500);
> As several other people already commented, these changes do not improve readability.
> Just leave this code alone, it's good enough. Even splitting up the condition into
> a separate function would degrade readability since that would make it harder to
> discover the exact condition that will be polled for.
>
> Not everything that checkpatch.pl flags is necessarily bad code :-)
Yes, I learning about this. And I will using this for the next patches.
>
>> if (timeout) {
>> dev_err(iss->dev, "ISP5 reset timeout\n");
>> return -ETIMEDOUT;
>> @@ -1104,33 +1107,28 @@ static int iss_create_links(struct iss_device *iss)
>> }
>>
>> /* Connect the submodules. */
>> - ret = media_create_pad_link(
>> - &iss->csi2a.subdev.entity, CSI2_PAD_SOURCE,
>> - &iss->ipipeif.subdev.entity, IPIPEIF_PAD_SINK, 0);
>> + ret = media_create_pad_link(&iss->csi2a.subdev.entity, CSI2_PAD_SOURCE,
>> + &iss->ipipeif.subdev.entity, IPIPEIF_PAD_SINK, 0);
>> if (ret < 0)
>> return ret;
>>
>> - ret = media_create_pad_link(
>> - &iss->csi2b.subdev.entity, CSI2_PAD_SOURCE,
>> - &iss->ipipeif.subdev.entity, IPIPEIF_PAD_SINK, 0);
>> + ret = media_create_pad_link(&iss->csi2b.subdev.entity, CSI2_PAD_SOURCE,
>> + &iss->ipipeif.subdev.entity, IPIPEIF_PAD_SINK, 0);
>> if (ret < 0)
>> return ret;
>>
>> - ret = media_create_pad_link(
>> - &iss->ipipeif.subdev.entity, IPIPEIF_PAD_SOURCE_VP,
>> - &iss->resizer.subdev.entity, RESIZER_PAD_SINK, 0);
>> + ret = media_create_pad_link(&iss->ipipeif.subdev.entity, IPIPEIF_PAD_SOURCE_VP,
>> + &iss->resizer.subdev.entity, RESIZER_PAD_SINK, 0);
>> if (ret < 0)
>> return ret;
>>
>> - ret = media_create_pad_link(
>> - &iss->ipipeif.subdev.entity, IPIPEIF_PAD_SOURCE_VP,
>> - &iss->ipipe.subdev.entity, IPIPE_PAD_SINK, 0);
>> + ret = media_create_pad_link(&iss->ipipeif.subdev.entity, IPIPEIF_PAD_SOURCE_VP,
>> + &iss->ipipe.subdev.entity, IPIPE_PAD_SINK, 0);
>> if (ret < 0)
>> return ret;
>>
>> - ret = media_create_pad_link(
>> - &iss->ipipe.subdev.entity, IPIPE_PAD_SOURCE_VP,
>> - &iss->resizer.subdev.entity, RESIZER_PAD_SINK, 0);
>> + ret = media_create_pad_link(&iss->ipipe.subdev.entity, IPIPE_PAD_SOURCE_VP,
>> + &iss->resizer.subdev.entity, RESIZER_PAD_SINK, 0);
>> if (ret < 0)
>> return ret;
>>
>>
> These, however, are readability improvements, so I'm happy with that.
Thank!
>
> Regards,
>
> Hans
Best wishes,
Beatriz Carvalho
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