linux-kernel - [PATCH] net: bcmgenet: Remove the unused function

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Date:   Fri,  9 Dec 2022 11:37:23 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     opendmb@...il.com
Cc:     f.fainelli@...il.com, bcm-kernel-feedback-list@...adcom.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] net: bcmgenet: Remove the unused function

The function dmadesc_get_addr() is defined in the bcmgenet.c file, but
not called elsewhere, so remove this unused function.

drivers/net/ethernet/broadcom/genet/bcmgenet.c:120:26: warning: unused function 'dmadesc_get_addr'.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3401
Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/net/ethernet/broadcom/genet/bcmgenet.c | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index a8ce8d0cf9c4..21973046b12b 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -117,24 +117,6 @@ static inline void dmadesc_set(struct bcmgenet_priv *priv,
 	dmadesc_set_length_status(priv, d, val);
 }
 
-static inline dma_addr_t dmadesc_get_addr(struct bcmgenet_priv *priv,
-					  void __iomem *d)
-{
-	dma_addr_t addr;
-
-	addr = bcmgenet_readl(d + DMA_DESC_ADDRESS_LO);
-
-	/* Register writes to GISB bus can take couple hundred nanoseconds
-	 * and are done for each packet, save these expensive writes unless
-	 * the platform is explicitly configured for 64-bits/LPAE.
-	 */
-#ifdef CONFIG_PHYS_ADDR_T_64BIT
-	if (priv->hw_params->flags & GENET_HAS_40BITS)
-		addr |= (u64)bcmgenet_readl(d + DMA_DESC_ADDRESS_HI) << 32;
-#endif
-	return addr;
-}
-
 #define GENET_VER_FMT	"%1d.%1d EPHY: 0x%04x"
 
 #define GENET_MSG_DEFAULT	(NETIF_MSG_DRV | NETIF_MSG_PROBE | \
-- 
2.20.1.7.g153144c