linux-kernel - [PATCH] tty/amba-pl011: fix a -Wunused-function warning

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Message-Id: <1568726340-4518-1-git-send-email-cai@lca.pw>
Date:   Tue, 17 Sep 2019 09:19:00 -0400
From:   Qian Cai <cai@....pw>
To:     linux@...linux.org.uk, gregkh@...uxfoundation.org
Cc:     jslaby@...e.com, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org, Qian Cai <cai@....pw>
Subject: [PATCH] tty/amba-pl011: fix a -Wunused-function warning

pl011_dma_probe() is only used in pl011_dma_startup() which does only
exist when CONFIG_DMA_ENGINE=y, so remove the unused dummy version to
silence the warning.

Signed-off-by: Qian Cai <cai@....pw>
---
 drivers/tty/serial/amba-pl011.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 5921a33b2a07..91b59f1cd3e6 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -1236,10 +1236,6 @@ static inline bool pl011_dma_rx_running(struct uart_amba_port *uap)
 
 #else
 /* Blank functions if the DMA engine is not available */
-static inline void pl011_dma_probe(struct uart_amba_port *uap)
-{
-}
-
 static inline void pl011_dma_remove(struct uart_amba_port *uap)
 {
 }
-- 
1.8.3.1