usb: hub: Use max() to improve usb_set_lpm_pel()
PATCH 1/1 usb: hub: Use max() to improve usb_set_lpm_pel()
Use max() to simplify and improve the readability of usb_set_lpm_pel().
Signed-off-by Thorsten Blum <[email protected]>
--- drivers/usb/core/hub.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-)
drivers/usb/core/hub.c +3 -8
@@ -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); }/*
Signature · 1 line
2.50.1