USB: Mark EHCI LPM functions as __maybe_unused (4f9e6c64) · Commits · 戴 / test

ehci_lpm_set_da and ehci_lpm_check are EHCI 1.1 specific functions which are not used on many platforms but do generate annoying gcc warnings Signed-off-by:

Maksim Rayskiy <mrayskiy@broadcom.com> Signed-off-by:

Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/ehci-lpm.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -17,7 +17,8 @@
		*/

		/* this file is part of ehci-hcd.c */
		static int ehci_lpm_set_da(struct ehci_hcd *ehci, int dev_addr, int port_num)
		static int __maybe_unused ehci_lpm_set_da(struct ehci_hcd *ehci,
		int dev_addr, int port_num)
		{
		u32 __iomem portsc;

		@@ -37,7 +38,7 @@ static int ehci_lpm_set_da(struct ehci_hcd *ehci, int dev_addr, int port_num)
		* this function is used to check if the device support LPM
		* if yes, mark the PORTSC register with PORT_LPM bit
		*/
		static int ehci_lpm_check(struct ehci_hcd *ehci, int port)
		static int __maybe_unused ehci_lpm_check(struct ehci_hcd *ehci, int port)
		{
		u32 __iomem *portsc ;
		u32 val32;

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