linux-kernel - [PATCH 2/2] net: systemport: Move IO macros to header file

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Message-ID: <20241015172458.673241-3-florian.fainelli@broadcom.com>
Date: Tue, 15 Oct 2024 10:24:58 -0700
From: Florian Fainelli <florian.fainelli@...adcom.com>
To: netdev@...r.kernel.org
Cc: Florian Fainelli <florian.fainelli@...adcom.com>,
	Vladimir Oltean <vladimir.oltean@....com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	linux-kernel@...r.kernel.org (open list),
	llvm@...ts.linux.dev (open list:CLANG/LLVM BUILD SUPPORT:)
Subject: [PATCH 2/2] net: systemport: Move IO macros to header file

Move the BCM_SYSPORT_IO_MACRO() definition and its use to bcmsysport.h
where it is more appropriate and where static inline helpers are
acceptable. While at it, make sure that the macro 'offset' argument does
not trigger a checkpatch warning due to possible argument re-use.

Suggested-by: Vladimir Oltean <vladimir.oltean@....com>
Signed-off-by: Florian Fainelli <florian.fainelli@...adcom.com>
---
 drivers/net/ethernet/broadcom/bcmsysport.c | 23 ---------------------
 drivers/net/ethernet/broadcom/bcmsysport.h | 24 ++++++++++++++++++++++
 2 files changed, 24 insertions(+), 23 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 05c83cb3871c..fe641a4effb2 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -27,29 +27,6 @@
 
 #include "bcmsysport.h"
 
-/* I/O accessors register helpers */
-#define BCM_SYSPORT_IO_MACRO(name, offset) \
-static inline u32 name##_readl(struct bcm_sysport_priv *priv, u32 off)	\
-{									\
-	u32 reg = readl_relaxed(priv->base + offset + off);		\
-	return reg;							\
-}									\
-static inline void name##_writel(struct bcm_sysport_priv *priv,		\
-				  u32 val, u32 off)			\
-{									\
-	writel_relaxed(val, priv->base + offset + off);			\
-}									\
-
-BCM_SYSPORT_IO_MACRO(intrl2_0, SYS_PORT_INTRL2_0_OFFSET);
-BCM_SYSPORT_IO_MACRO(intrl2_1, SYS_PORT_INTRL2_1_OFFSET);
-BCM_SYSPORT_IO_MACRO(umac, SYS_PORT_UMAC_OFFSET);
-BCM_SYSPORT_IO_MACRO(gib, SYS_PORT_GIB_OFFSET);
-BCM_SYSPORT_IO_MACRO(tdma, SYS_PORT_TDMA_OFFSET);
-BCM_SYSPORT_IO_MACRO(rxchk, SYS_PORT_RXCHK_OFFSET);
-BCM_SYSPORT_IO_MACRO(rbuf, SYS_PORT_RBUF_OFFSET);
-BCM_SYSPORT_IO_MACRO(tbuf, SYS_PORT_TBUF_OFFSET);
-BCM_SYSPORT_IO_MACRO(topctrl, SYS_PORT_TOPCTRL_OFFSET);
-
 /* On SYSTEMPORT Lite, any register after RDMA_STATUS has the exact
  * same layout, except it has been moved by 4 bytes up, *sigh*
  */
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h
index 335cf6631db5..2977e70806fc 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.h
+++ b/drivers/net/ethernet/broadcom/bcmsysport.h
@@ -773,4 +773,28 @@ struct bcm_sysport_priv {
 	struct bcm_sysport_tx_ring *ring_map[DSA_MAX_PORTS * 8];
 
 };
+
+/* I/O accessors register helpers */
+#define BCM_SYSPORT_IO_MACRO(name, offset) \
+static inline u32 name##_readl(struct bcm_sysport_priv *priv, u32 off)	\
+{									\
+	u32 reg = readl_relaxed(priv->base + (offset) + off);		\
+	return reg;							\
+}									\
+static inline void name##_writel(struct bcm_sysport_priv *priv,		\
+				  u32 val, u32 off)			\
+{									\
+	writel_relaxed(val, priv->base + (offset) + off);		\
+}									\
+
+BCM_SYSPORT_IO_MACRO(intrl2_0, SYS_PORT_INTRL2_0_OFFSET);
+BCM_SYSPORT_IO_MACRO(intrl2_1, SYS_PORT_INTRL2_1_OFFSET);
+BCM_SYSPORT_IO_MACRO(umac, SYS_PORT_UMAC_OFFSET);
+BCM_SYSPORT_IO_MACRO(gib, SYS_PORT_GIB_OFFSET);
+BCM_SYSPORT_IO_MACRO(tdma, SYS_PORT_TDMA_OFFSET);
+BCM_SYSPORT_IO_MACRO(rxchk, SYS_PORT_RXCHK_OFFSET);
+BCM_SYSPORT_IO_MACRO(rbuf, SYS_PORT_RBUF_OFFSET);
+BCM_SYSPORT_IO_MACRO(tbuf, SYS_PORT_TBUF_OFFSET);
+BCM_SYSPORT_IO_MACRO(topctrl, SYS_PORT_TOPCTRL_OFFSET);
+
 #endif /* __BCM_SYSPORT_H */
-- 
2.43.0