From f98e7f2fe9d7ac5851cf8cc9933993a2b74566c1 Mon Sep 17 00:00:00 2001 From: Arseny Solokha Date: Tue, 24 Feb 2015 16:05:05 +0700 Subject: [PATCH] powerpc/qe: drop unused ucc_slow_poll_transmitter_now Drop ucc_slow_poll_transmitter_now() which has no users since its inception in 2007 in commit 986585385131 ("[POWERPC] Add QUICC Engine (QE) infrastructure"). Signed-off-by: Arseny Solokha Signed-off-by: Michael Ellerman --- arch/powerpc/include/asm/ucc_slow.h | 13 ------------- arch/powerpc/sysdev/qe_lib/ucc_slow.c | 5 ----- 2 files changed, 18 deletions(-) diff --git a/arch/powerpc/include/asm/ucc_slow.h b/arch/powerpc/include/asm/ucc_slow.h index c44131e..233ef5f 100644 --- a/arch/powerpc/include/asm/ucc_slow.h +++ b/arch/powerpc/include/asm/ucc_slow.h @@ -251,19 +251,6 @@ void ucc_slow_enable(struct ucc_slow_private * uccs, enum comm_dir mode); */ void ucc_slow_disable(struct ucc_slow_private * uccs, enum comm_dir mode); -/* ucc_slow_poll_transmitter_now - * Immediately forces a poll of the transmitter for data to be sent. - * Typically, the hardware performs a periodic poll for data that the - * transmit routine has set up to be transmitted. In cases where - * this polling cycle is not soon enough, this optional routine can - * be invoked to force a poll right away, instead. Proper use for - * each transmission for which this functionality is desired is to - * call the transmit routine and then this routine right after. - * - * uccs - (In) pointer to the slow UCC structure. - */ -void ucc_slow_poll_transmitter_now(struct ucc_slow_private * uccs); - /* ucc_slow_graceful_stop_tx * Smoothly stops transmission on a specified slow UCC. * diff --git a/arch/powerpc/sysdev/qe_lib/ucc_slow.c b/arch/powerpc/sysdev/qe_lib/ucc_slow.c index befaf11..5f91628 100644 --- a/arch/powerpc/sysdev/qe_lib/ucc_slow.c +++ b/arch/powerpc/sysdev/qe_lib/ucc_slow.c @@ -43,11 +43,6 @@ u32 ucc_slow_get_qe_cr_subblock(int uccs_num) } EXPORT_SYMBOL(ucc_slow_get_qe_cr_subblock); -void ucc_slow_poll_transmitter_now(struct ucc_slow_private * uccs) -{ - out_be16(&uccs->us_regs->utodr, UCC_SLOW_TOD); -} - void ucc_slow_graceful_stop_tx(struct ucc_slow_private * uccs) { struct ucc_slow_info *us_info = uccs->us_info; -- 2.7.4