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authorIngo Molnar <mingo@kernel.org>2021-07-03 00:23:39 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-01-05 16:21:44 +0100
commit01ec4a2e8f01f027a0f06cad237c935da8d643bf (patch)
tree4a42dcb07670fd9c0da29fd93809144ba6f2f7d0 /include/linux/usb
parent66b13ce8fe25341a8c4c8ceb00d611461ad86dcc (diff)
downloadlinux-next-01ec4a2e8f01f027a0f06cad237c935da8d643bf.tar.gz
headers/deps: USB: Optimize <linux/usb/ch9.h> dependencies, remove <linux/device.h>
The <linux/usb/ch9.h> header is used over 1,400 times in a typical distro build, but few of its users actually need the full <linux/device.h> header. -------------------------------------------------------------------- | Combined, preprocessed C code size of header, without line markers, | with comments stripped: ------------------------- before: | #include <linux/usb/ch9.h> | LOC: 7,078 | headers: 172 after: | #include <linux/usb/ch9.h> | LOC: 812 | headers: 38 Remove it and add it to the places that need it. Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/usb')
-rw-r--r--include/linux/usb/ch9.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 1cffa34740b0..969e7dba6358 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -33,7 +33,6 @@
#ifndef __LINUX_USB_CH9_H
#define __LINUX_USB_CH9_H
-#include <linux/device.h>
#include <uapi/linux/usb/ch9.h>
/* USB 3.2 SuperSpeed Plus phy signaling rate generation and lane count */
@@ -45,6 +44,8 @@ enum usb_ssp_rate {
USB_SSP_GEN_2x2,
};
+struct device;
+
extern const char *usb_ep_type_string(int ep_type);
extern const char *usb_speed_string(enum usb_device_speed speed);
extern enum usb_device_speed usb_get_maximum_speed(struct device *dev);