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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Richard Henderson <rth@twiddle.net>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	Helge Deller <deller@gmx.de>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>, Kalle Valo <kvalo@codeaurora.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Dave Jiang <dave.jiang@intel.com>, Jon Mason <jdmason@kudzu.us>,
	Allen Hubbe <allenbh@gmail.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Jason Wang <jasowang@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-sh@vger.kernel.org, linux-wireless@vger.kernel.org,
	netdev@vger.kernel.org, linux-ntb@googlegroups.com,
	virtualization@lists.linux-foundation.org,
	linux-arch@vger.kernel.org
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Subject: [PATCH v3 2/4] rtl818x: Constify ioreadX() iomem argument (as in generic implementation)
Date: Thu, 09 Jul 2020 07:28:35 +0000	[thread overview]
Message-ID: <20200709072837.5869-3-krzk@kernel.org> (raw)
In-Reply-To: <20200709072837.5869-1-krzk@kernel.org>

The ioreadX() helpers have inconsistent interface.  On some architectures
void *__iomem address argument is a pointer to const, on some not.

Implementations of ioreadX() do not modify the memory under the address
so they can be converted to a "const" version for const-safety and
consistency among architectures.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
---
 drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h
index 7948a2da195a..2ff00800d45b 100644
--- a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h
+++ b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h
@@ -150,17 +150,17 @@ void rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 void rtl8180_set_anaparam(struct rtl8180_priv *priv, u32 anaparam);
 void rtl8180_set_anaparam2(struct rtl8180_priv *priv, u32 anaparam2);
 
-static inline u8 rtl818x_ioread8(struct rtl8180_priv *priv, u8 __iomem *addr)
+static inline u8 rtl818x_ioread8(struct rtl8180_priv *priv, const u8 __iomem *addr)
 {
 	return ioread8(addr);
 }
 
-static inline u16 rtl818x_ioread16(struct rtl8180_priv *priv, __le16 __iomem *addr)
+static inline u16 rtl818x_ioread16(struct rtl8180_priv *priv, const __le16 __iomem *addr)
 {
 	return ioread16(addr);
 }
 
-static inline u32 rtl818x_ioread32(struct rtl8180_priv *priv, __le32 __iomem *addr)
+static inline u32 rtl818x_ioread32(struct rtl8180_priv *priv, const __le32 __iomem *addr)
 {
 	return ioread32(addr);
 }
-- 
2.17.1

WARNING: multiple messages have this Message-ID (diff)
From: Krzysztof Kozlowski <krzk@kernel.org>
To: Richard Henderson <rth@twiddle.net>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	Helge Deller <deller@gmx.de>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>, Kalle Valo <kvalo@codeaurora.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Dave Jiang <dave.jiang@intel.com>, Jon Mason <jdmason@kudzu.us>,
	Allen Hubbe <allenbh@gmail.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Jason Wang <jasowang@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-sh@vger.kernel.org, linux-wireless@vger.kernel.org,
	netdev@vger.kernel.org, linux-ntb@googlegroups.com,
	virtualization@lists.linux-foundation.org,
	linux-arch@vger.kernel.org
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Subject: [PATCH v3 2/4] rtl818x: Constify ioreadX() iomem argument (as in generic implementation)
Date: Thu,  9 Jul 2020 09:28:35 +0200	[thread overview]
Message-ID: <20200709072837.5869-3-krzk@kernel.org> (raw)
In-Reply-To: <20200709072837.5869-1-krzk@kernel.org>

The ioreadX() helpers have inconsistent interface.  On some architectures
void *__iomem address argument is a pointer to const, on some not.

Implementations of ioreadX() do not modify the memory under the address
so they can be converted to a "const" version for const-safety and
consistency among architectures.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
---
 drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h
index 7948a2da195a..2ff00800d45b 100644
--- a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h
+++ b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h
@@ -150,17 +150,17 @@ void rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 void rtl8180_set_anaparam(struct rtl8180_priv *priv, u32 anaparam);
 void rtl8180_set_anaparam2(struct rtl8180_priv *priv, u32 anaparam2);
 
-static inline u8 rtl818x_ioread8(struct rtl8180_priv *priv, u8 __iomem *addr)
+static inline u8 rtl818x_ioread8(struct rtl8180_priv *priv, const u8 __iomem *addr)
 {
 	return ioread8(addr);
 }
 
-static inline u16 rtl818x_ioread16(struct rtl8180_priv *priv, __le16 __iomem *addr)
+static inline u16 rtl818x_ioread16(struct rtl8180_priv *priv, const __le16 __iomem *addr)
 {
 	return ioread16(addr);
 }
 
-static inline u32 rtl818x_ioread32(struct rtl8180_priv *priv, __le32 __iomem *addr)
+static inline u32 rtl818x_ioread32(struct rtl8180_priv *priv, const __le32 __iomem *addr)
 {
 	return ioread32(addr);
 }
-- 
2.17.1


WARNING: multiple messages have this Message-ID (diff)
From: Krzysztof Kozlowski <krzk@kernel.org>
To: Richard Henderson <rth@twiddle.net>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	Helge Deller <deller@gmx.de>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>, Kalle Valo <kvalo@codeaurora.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Dave Jiang <dave.jiang@intel.com>, Jon Mason <jdmason@kudzu.us>,
	Allen Hubbe <allenbh@gmail.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Jason Wang <jasowang@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-paris
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Subject: [PATCH v3 2/4] rtl818x: Constify ioreadX() iomem argument (as in generic implementation)
Date: Thu,  9 Jul 2020 09:28:35 +0200	[thread overview]
Message-ID: <20200709072837.5869-3-krzk@kernel.org> (raw)
In-Reply-To: <20200709072837.5869-1-krzk@kernel.org>

The ioreadX() helpers have inconsistent interface.  On some architectures
void *__iomem address argument is a pointer to const, on some not.

Implementations of ioreadX() do not modify the memory under the address
so they can be converted to a "const" version for const-safety and
consistency among architectures.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
---
 drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h
index 7948a2da195a..2ff00800d45b 100644
--- a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h
+++ b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h
@@ -150,17 +150,17 @@ void rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 void rtl8180_set_anaparam(struct rtl8180_priv *priv, u32 anaparam);
 void rtl8180_set_anaparam2(struct rtl8180_priv *priv, u32 anaparam2);
 
-static inline u8 rtl818x_ioread8(struct rtl8180_priv *priv, u8 __iomem *addr)
+static inline u8 rtl818x_ioread8(struct rtl8180_priv *priv, const u8 __iomem *addr)
 {
 	return ioread8(addr);
 }
 
-static inline u16 rtl818x_ioread16(struct rtl8180_priv *priv, __le16 __iomem *addr)
+static inline u16 rtl818x_ioread16(struct rtl8180_priv *priv, const __le16 __iomem *addr)
 {
 	return ioread16(addr);
 }
 
-static inline u32 rtl818x_ioread32(struct rtl8180_priv *priv, __le32 __iomem *addr)
+static inline u32 rtl818x_ioread32(struct rtl8180_priv *priv, const __le32 __iomem *addr)
 {
 	return ioread32(addr);
 }
-- 
2.17.1

  parent reply	other threads:[~2020-07-09  7:28 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-09  7:28 [PATCH v3 0/4] iomap: Constify ioreadX() iomem argument Krzysztof Kozlowski
2020-07-09  7:28 ` Krzysztof Kozlowski
2020-07-09  7:28 ` Krzysztof Kozlowski
2020-07-09  7:28 ` [PATCH v3 1/4] iomap: Constify ioreadX() iomem argument (as in generic implementation) Krzysztof Kozlowski
2020-07-09  7:28 ` Krzysztof Kozlowski
2020-07-09  7:28 ` Krzysztof Kozlowski
2020-07-09  7:28 ` Krzysztof Kozlowski
2020-07-09  7:28 ` Krzysztof Kozlowski
2020-07-09  7:28   ` Krzysztof Kozlowski
2020-07-09  7:32   ` Krzysztof Kozlowski
2020-07-09  7:32   ` Krzysztof Kozlowski
2020-07-09  7:32     ` Krzysztof Kozlowski
2020-07-09  7:32     ` Krzysztof Kozlowski
2020-07-09  7:32   ` Krzysztof Kozlowski
2020-07-09  7:28 ` Krzysztof Kozlowski
2020-07-09  7:28 ` Krzysztof Kozlowski [this message]
2020-07-09  7:28   ` [PATCH v3 2/4] rtl818x: " Krzysztof Kozlowski
2020-07-09  7:28   ` Krzysztof Kozlowski
2020-07-09  7:28 ` Krzysztof Kozlowski
2020-07-09  7:28 ` [PATCH v3 3/4] ntb: intel: " Krzysztof Kozlowski
2020-07-09  7:28 ` Krzysztof Kozlowski
2020-07-09  7:28   ` Krzysztof Kozlowski
2020-07-09  7:28   ` Krzysztof Kozlowski
2020-07-09  7:28 ` [PATCH v3 4/4] virtio: pci: " Krzysztof Kozlowski
2020-07-09  7:28   ` Krzysztof Kozlowski
2020-07-09  7:28   ` Krzysztof Kozlowski
2020-07-09  7:28 ` Krzysztof Kozlowski
2020-07-09  7:28 ` Krzysztof Kozlowski

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