linux-kernel - [PATCH 2/2] dmaengine: at_hdmac: Remove unused field values that do not fit

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Date:   Tue, 23 May 2023 14:42:55 +0200
From:   Peter Rosin <peda@...ntia.se>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Tudor Ambarus <tudor.ambarus@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        linux-arm-kernel@...ts.infradead.org, dmaengine@...r.kernel.org
Subject: [PATCH 2/2] dmaengine: at_hdmac: Remove unused field values that do
 not fit

The values are not used, and they do not fit in the intended
register field (ATC_FC, 2 bits wide). Kill 'em all.

Signed-off-by: Peter Rosin <peda@...ntia.se>
---
 drivers/dma/at_hdmac.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 6f352160bc3b..51d0a0c7aaf7 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -137,10 +137,6 @@
 #define ATC_FC_MEM2PER		0x1		/* Mem-to-Periph (DMA) */
 #define ATC_FC_PER2MEM		0x2		/* Periph-to-Mem (DMA) */
 #define ATC_FC_PER2PER		0x3		/* Periph-to-Periph (DMA) */
-#define ATC_FC_PER2MEM_PER	0x4		/* Periph-to-Mem (Peripheral) */
-#define ATC_FC_MEM2PER_PER	0x5		/* Mem-to-Periph (Peripheral) */
-#define ATC_FC_PER2PER_SRCPER	0x6		/* Periph-to-Periph (Src Peripheral) */
-#define ATC_FC_PER2PER_DSTPER	0x7		/* Periph-to-Periph (Dst Peripheral) */
 #define ATC_SRC_ADDR_MODE	GENMASK(25, 24)
 #define ATC_SRC_ADDR_MODE_INCR	0x0		/* Incrementing Mode */
 #define ATC_SRC_ADDR_MODE_DECR	0x1		/* Decrementing Mode */
-- 
2.20.1