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| author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2022-09-05 12:35:43 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2022-09-13 12:07:55 +0200 |
| commit | 8f3057d381d48adc26701231a8c78d918a91a57c (patch) | |
| tree | 8cd4c50be89c77f5822190b0924c3b88ba8e586d /drivers | |
| parent | ca5e915485dfe6651cc42292e27889c96c438bcc (diff) | |
| download | barebox-8f3057d381d48adc26701231a8c78d918a91a57c.tar.gz barebox-8f3057d381d48adc26701231a8c78d918a91a57c.tar.xz | |
of: platform: optimize of_find_device_by_node when deep probing
With deep probe enabled, we are guaranteed that struct device_node::dev
is populated whenever a device had been created for a node, so in that
case, skip the iteration over the linked list of registered devices.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20220905103546.1476277-3-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/of/platform.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c index dd86667f88..a9a5d4c2da 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -28,6 +28,9 @@ struct device_d *of_find_device_by_node(struct device_node *np) if (ret) return NULL; + if (deep_probe_is_supported()) + return np->dev; + for_each_device(dev) if (dev->device_node == np) return dev; |