linux-kernel - [PATCH 3/4] powrepc/qe: drop unused ucc_slow_poll_transmitter

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Message-Id: <1426823789-949-4-git-send-email-asolokha@kb.kras.ru>
Date:	Fri, 20 Mar 2015 10:56:28 +0700
From:	Arseny Solokha <asolokha@...kras.ru>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	Scott Wood <scottwood@...escale.com>,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	Arseny Solokha <asolokha@...kras.ru>
Subject: [PATCH 3/4] powrepc/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 <asolokha@...kras.ru>
---
 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;
-- 
2.3.3

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