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usb: hub: Use max() to improve usb_set_lpm_pel()

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Use max() to simplify and improve the readability of usb_set_lpm_pel().

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://lore.kernel.org/r/20250917101235.58381-2-thorsten.blum@linux.dev
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thorsten Blum
2025-09-17 12:12:31 +02:00
committed by Greg Kroah-Hartman
parent 09bf21bf52
commit 87653d54ed
1 changed files with 3 additions and 8 deletions
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11
drivers/usb/core/hub.c
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@@ -28,6 +28,7 @@
#include <linux/usb/otg.h>
#include <linux/usb/quirks.h>
#include <linux/workqueue.h>
#include <linux/minmax.h>
#include <linux/mutex.h>
#include <linux/random.h>
#include <linux/pm_qos.h>
@@ -277,10 +278,7 @@ static void usb_set_lpm_pel(struct usb_device *udev,
* device and the parent hub into U0. The exit latency is the bigger of
* the device exit latency or the hub exit latency.
*/
if (udev_exit_latency > hub_exit_latency)
first_link_pel = udev_exit_latency * 1000;
else
first_link_pel = hub_exit_latency * 1000;
first_link_pel = max(udev_exit_latency, hub_exit_latency) * 1000;
/*
* When the hub starts to receive the LFPS, there is a slight delay for
@@ -294,10 +292,7 @@ static void usb_set_lpm_pel(struct usb_device *udev,
* According to figure C-7 in the USB 3.0 spec, the PEL for this device
* is the greater of the two exit latencies.
*/
if (first_link_pel > hub_pel)
udev_lpm_params->pel = first_link_pel;
else
udev_lpm_params->pel = hub_pel;
udev_lpm_params->pel = max(first_link_pel, hub_pel);
}
/*