[PATCH v4 2/6] usb: core: make usb_set_maxpacket_ep public
From: Fabian Pflug <hidden>
Date: 2026-09-04 14:00:23
Subsystem:
the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
The function will be used by the efi usb driver to set the maxpackets per endpoint. Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Fabian Pflug <redacted> --- drivers/usb/core/usb.c | 12 ++---------- drivers/usb/core/usb.h | 2 ++ 2 files changed, 4 insertions(+), 10 deletions(-)
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index ae87137447..ce10b71f40 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c@@ -127,16 +127,8 @@ static int usb_set_configuration(struct usb_device *dev, int configuration) return res; } -/* The routine usb_set_maxpacket_ep() is extracted from the loop of routine - * usb_set_maxpacket(), because the optimizer of GCC 4.x chokes on this routine - * when it is inlined in 1 single routine. What happens is that the register r3 - * is used as loop-count 'i', but gets overwritten later on. - * This is clearly a compiler bug, but it is easier to workaround it here than - * to update the compiler (Occurs with at least several GCC 4.{1,2},x - * CodeSourcery compilers like e.g. 2007q3, 2008q1, 2008q3 lite editions on ARM) - */ -static void noinline -usb_set_maxpacket_ep(struct usb_device *dev, struct usb_endpoint_descriptor *ep) +void usb_set_maxpacket_ep(struct usb_device *dev, + struct usb_endpoint_descriptor *ep) { int b;
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 0d4f80c21d..b503e5b4a8 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h@@ -6,5 +6,7 @@ struct usb_device *usb_alloc_new_device(void); void usb_free_device(struct usb_device *dev); int usb_new_device(struct usb_device *dev); void usb_remove_device(struct usb_device *dev); +void usb_set_maxpacket_ep(struct usb_device *dev, + struct usb_endpoint_descriptor *ep); #endif /* __CORE_USB_H */
--
2.47.3