Defined in 2 files as a macro:

• drivers/mailbox/ast2700-mailbox.c, line 21 (as a macro)
• drivers/mailbox/sun6i-msgbox.c, line 32 (as a macro)

Referenced in 2 files:

• drivers/mailbox/ast2700-mailbox.c, line 60
• drivers/mailbox/sun6i-msgbox.c, line 76