Re: [PATCH v2 1/4] nubus: Simplify check in remove callback

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Hello Finn,

On Sun, Aug 01, 2021 at 03:04:03PM +1000, Finn Thain wrote:
On Fri, 30 Jul 2021, Uwe Kleine-König wrote:

The driver core only calls a remove callback when the device was
successfully bound (aka probed) before. So dev->driver is never NULL and
the respective check can just be dropped.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

Acked-by: Finn Thain <fthain@xxxxxxxxxxxxxx>

BTW, aside from nubus, zorro and superhyway you can find the same pattern
in many other busses. You may want to patch the following methods too.

acpi_device_remove
apr_device_remove
ccwgroup_remove
gio_device_remove
hid_device_remove 
ibmebus_bus_device_remove
macio_device_remove
memstick_device_remove
ntb_remove
pci_device_remove
pnp_device_remove
ps3_system_bus_remove
rio_device_remove
slim_device_remove
soundbus_device_remove
ssb_device_remove
tifm_device_remove
vdpa_dev_remove
vmbus_remove

Did you find these by hand? Or using a coccinelle match?

Anyhow, thanks for the list, I'll add it to my todo list but if you're
motivated don't consider these cleanups as my property. (Please Cc: me
though to prevent duplicated effort.)

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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