diff mbox series

[net-next,07/18] net: dsa: microchip: remove unnecessary set_drvdata()

Message ID 20220921140524.3831101-8-yangyingliang@huawei.com (mailing list archive)
State Accepted
Commit 3525ecc127d893f99671df041764aa4185c79e0b
Delegated to: Netdev Maintainers
Headers show
Series net: dsa: remove unnecessary set_drvdata() | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count fail Series longer than 15 patches (and no cover letter)
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 9 maintainers not CCed: kuba@kernel.org UNGLinuxDriver@microchip.com davem@davemloft.net pabeni@redhat.com edumazet@google.com matthias.bgg@gmail.com woojung.huh@microchip.com linux-mediatek@lists.infradead.org linux-arm-kernel@lists.infradead.org
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 16 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Yang Yingliang Sept. 21, 2022, 2:05 p.m. UTC
Remove unnecessary set_drvdata(NULL) function in ->remove(),
the driver_data will be set to NULL in device_unbind_cleanup()
after calling ->remove().

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 drivers/net/dsa/microchip/ksz8863_smi.c | 2 --
 drivers/net/dsa/microchip/ksz_spi.c     | 2 --
 2 files changed, 4 deletions(-)

Comments

Arun Ramadoss Sept. 22, 2022, 2:12 p.m. UTC | #1
On Wed, 2022-09-21 at 22:05 +0800, Yang Yingliang wrote:
> Remove unnecessary set_drvdata(NULL) function in ->remove(),
> the driver_data will be set to NULL in device_unbind_cleanup()
> after calling ->remove().

Do we need to remove i2c_set_clientdata(i2c, NULL) in ksz9477_i2c.c or
is it applicable only spi and mdio bus.

> 
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> ---
>  drivers/net/dsa/microchip/ksz8863_smi.c | 2 --
>  drivers/net/dsa/microchip/ksz_spi.c     | 2 --
>  2 files changed, 4 deletions(-)
> 
> diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c
> b/drivers/net/dsa/microchip/ksz8863_smi.c
> index 5247fdfb964d..ddb40838181e 100644
> --- a/drivers/net/dsa/microchip/ksz8863_smi.c
> +++ b/drivers/net/dsa/microchip/ksz8863_smi.c
> @@ -180,8 +180,6 @@ static void ksz8863_smi_remove(struct mdio_device
> *mdiodev)
>  
>  	if (dev)
>  		ksz_switch_remove(dev);
> -
> -	dev_set_drvdata(&mdiodev->dev, NULL);
>  }
>  
>  static void ksz8863_smi_shutdown(struct mdio_device *mdiodev)
> diff --git a/drivers/net/dsa/microchip/ksz_spi.c
> b/drivers/net/dsa/microchip/ksz_spi.c
> index 82e2352f55fa..1b6ab891b986 100644
> --- a/drivers/net/dsa/microchip/ksz_spi.c
> +++ b/drivers/net/dsa/microchip/ksz_spi.c
> @@ -107,8 +107,6 @@ static void ksz_spi_remove(struct spi_device
> *spi)
>  
>  	if (dev)
>  		ksz_switch_remove(dev);
> -
> -	spi_set_drvdata(spi, NULL);
>  }
>  
>  static void ksz_spi_shutdown(struct spi_device *spi)
>
Yang Yingliang Sept. 22, 2022, 2:40 p.m. UTC | #2
Hi,

On 2022/9/22 22:12, Arun.Ramadoss@microchip.com wrote:
> On Wed, 2022-09-21 at 22:05 +0800, Yang Yingliang wrote:
>> Remove unnecessary set_drvdata(NULL) function in ->remove(),
>> the driver_data will be set to NULL in device_unbind_cleanup()
>> after calling ->remove().
> Do we need to remove i2c_set_clientdata(i2c, NULL) in ksz9477_i2c.c or
> is it applicable only spi and mdio bus.
Yes, it calls the dev_set_drvdata(), I think it should be remove too.

Thanks,
Yang
diff mbox series

Patch

diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c
index 5247fdfb964d..ddb40838181e 100644
--- a/drivers/net/dsa/microchip/ksz8863_smi.c
+++ b/drivers/net/dsa/microchip/ksz8863_smi.c
@@ -180,8 +180,6 @@  static void ksz8863_smi_remove(struct mdio_device *mdiodev)
 
 	if (dev)
 		ksz_switch_remove(dev);
-
-	dev_set_drvdata(&mdiodev->dev, NULL);
 }
 
 static void ksz8863_smi_shutdown(struct mdio_device *mdiodev)
diff --git a/drivers/net/dsa/microchip/ksz_spi.c b/drivers/net/dsa/microchip/ksz_spi.c
index 82e2352f55fa..1b6ab891b986 100644
--- a/drivers/net/dsa/microchip/ksz_spi.c
+++ b/drivers/net/dsa/microchip/ksz_spi.c
@@ -107,8 +107,6 @@  static void ksz_spi_remove(struct spi_device *spi)
 
 	if (dev)
 		ksz_switch_remove(dev);
-
-	spi_set_drvdata(spi, NULL);
 }
 
 static void ksz_spi_shutdown(struct spi_device *spi)