linux-kernel - [PATCH 3/5] net: ethernet: altera: move read write functions

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Message-Id: <20231213071112.18242-4-deepakx.nagaraju@intel.com>
Date:   Wed, 13 Dec 2023 15:11:10 +0800
From:   <deepakx.nagaraju@...el.com>
To:     joyce.ooi@...el.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, Nagaraju DeepakX <deepakx.nagaraju@...el.com>,
        Andy Schevchenko <andriy.schevchenko@...ux.intel.com>
Subject: [PATCH 3/5] net: ethernet: altera: move read write functions

From: Nagaraju DeepakX <deepakx.nagaraju@...el.com>

Move read write functions from altera_tse.h to altera_utils.h
so it can be shared with future altera ethernet IP's.

Signed-off-by: Nagaraju DeepakX <deepakx.nagaraju@...el.com>
Reviewed-by: Andy Schevchenko <andriy.schevchenko@...ux.intel.com>
---
 drivers/net/ethernet/altera/altera_tse.h      | 45 -------------------
 .../net/ethernet/altera/altera_tse_ethtool.c  |  1 +
 drivers/net/ethernet/altera/altera_utils.h    | 43 ++++++++++++++++++
 3 files changed, 44 insertions(+), 45 deletions(-)

diff --git a/drivers/net/ethernet/altera/altera_tse.h b/drivers/net/ethernet/altera/altera_tse.h
index 82f2363a45cd..4874139e7cdf 100644
--- a/drivers/net/ethernet/altera/altera_tse.h
+++ b/drivers/net/ethernet/altera/altera_tse.h
@@ -483,49 +483,4 @@ struct altera_tse_private {
  */
 void altera_tse_set_ethtool_ops(struct net_device *);

-static inline
-u32 csrrd32(void __iomem *mac, size_t offs)
-{
-	void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-	return readl(paddr);
-}
-
-static inline
-u16 csrrd16(void __iomem *mac, size_t offs)
-{
-	void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-	return readw(paddr);
-}
-
-static inline
-u8 csrrd8(void __iomem *mac, size_t offs)
-{
-	void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-	return readb(paddr);
-}
-
-static inline
-void csrwr32(u32 val, void __iomem *mac, size_t offs)
-{
-	void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-
-	writel(val, paddr);
-}
-
-static inline
-void csrwr16(u16 val, void __iomem *mac, size_t offs)
-{
-	void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-
-	writew(val, paddr);
-}
-
-static inline
-void csrwr8(u8 val, void __iomem *mac, size_t offs)
-{
-	void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-
-	writeb(val, paddr);
-}
-
 #endif /* __ALTERA_TSE_H__ */
diff --git a/drivers/net/ethernet/altera/altera_tse_ethtool.c b/drivers/net/ethernet/altera/altera_tse_ethtool.c
index 81313c85833e..d34373bac94a 100644
--- a/drivers/net/ethernet/altera/altera_tse_ethtool.c
+++ b/drivers/net/ethernet/altera/altera_tse_ethtool.c
@@ -22,6 +22,7 @@
 #include <linux/phy.h>

 #include "altera_tse.h"
+#include "altera_utils.h"

 #define TSE_STATS_LEN	31
 #define TSE_NUM_REGS	128
diff --git a/drivers/net/ethernet/altera/altera_utils.h b/drivers/net/ethernet/altera/altera_utils.h
index 3c2e32fb7389..c3f09c5257f7 100644
--- a/drivers/net/ethernet/altera/altera_utils.h
+++ b/drivers/net/ethernet/altera/altera_utils.h
@@ -7,6 +7,7 @@
 #define __ALTERA_UTILS_H__

 #include <linux/compiler.h>
+#include <linux/io.h>
 #include <linux/types.h>

 void tse_set_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask);
@@ -14,4 +15,46 @@ void tse_clear_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask);
 int tse_bit_is_set(void __iomem *ioaddr, size_t offs, u32 bit_mask);
 int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 bit_mask);

+static inline u32 csrrd32(void __iomem *mac, size_t offs)
+{
+	void __iomem *paddr = mac + offs;
+
+	return readl(paddr);
+}
+
+static inline u16 csrrd16(void __iomem *mac, size_t offs)
+{
+	void __iomem *paddr = mac + offs;
+
+	return readw(paddr);
+}
+
+static inline u8 csrrd8(void __iomem *mac, size_t offs)
+{
+	void __iomem *paddr = mac + offs;
+
+	return readb(paddr);
+}
+
+static inline void csrwr32(u32 val, void __iomem *mac, size_t offs)
+{
+	void __iomem *paddr = mac + offs;
+
+	writel(val, paddr);
+}
+
+static inline void csrwr16(u16 val, void __iomem *mac, size_t offs)
+{
+	void __iomem *paddr = mac + offs;
+
+	writew(val, paddr);
+}
+
+static inline void csrwr8(u8 val, void __iomem *mac, size_t offs)
+{
+	void __iomem *paddr = mac + offs;
+
+	writeb(val, paddr);
+}
+
 #endif /* __ALTERA_UTILS_H__*/
--
2.26.2