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Wed, 4 Apr 2018 23:58:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1522886309; bh=Wa7ULn3zzcQWdX7gn4ZJqbdpUrD3y8I8uLviqBbXFl8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QgkTbMpTsBwq7OMZSjRx6WrH9QxT/oDKCJAMlpTbNIup9jh2RLyi6+Wy3E/MTqCQ4 V5UYTjP2PFpkqxjIw6XxJbejk5zn42JMoIMvMWWbMWLe/uloDqQkX0FpV8nhuEQQ09 9nPyhPGnvLdtqdC/pP1bRlKq/TYV25uNAU6B/u+8= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C0C4760F6B Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=okaya@codeaurora.org From: Sinan Kaya To: arnd@arndb.de, timur@codeaurora.org, sulrich@codeaurora.org Subject: [PATCH v3 4/5] io: change outX() to have their own IO barrier overrides Date: Wed, 4 Apr 2018 19:58:19 -0400 Message-Id: <1522886301-25955-4-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1522886301-25955-1-git-send-email-okaya@codeaurora.org> References: <1522886301-25955-1-git-send-email-okaya@codeaurora.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180404_165836_955525_55FB3CE5 X-CRM114-Status: GOOD ( 11.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sinan Kaya , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Open code writeX() inside outX() so that outX() variants have their own overrideable Port IO barrier combinations as __io_pbw() and __io_paw() for actions to be taken before port IO and after port IO write. Signed-off-by: Sinan Kaya --- include/asm-generic/io.h | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index ca268d9..38a96d1 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -456,7 +456,9 @@ static inline u32 inl(unsigned long addr) #define outb outb static inline void outb(u8 value, unsigned long addr) { - writeb(value, PCI_IOBASE + addr); + __io_pbw(); + __raw_writeb(value, PCI_IOBASE + addr); + __io_paw(); } #endif @@ -464,7 +466,9 @@ static inline void outb(u8 value, unsigned long addr) #define outw outw static inline void outw(u16 value, unsigned long addr) { - writew(value, PCI_IOBASE + addr); + __io_pbw(); + __raw_writew(cpu_to_le16(value), PCI_IOBASE + addr); + __io_paw(); } #endif @@ -472,7 +476,9 @@ static inline void outw(u16 value, unsigned long addr) #define outl outl static inline void outl(u32 value, unsigned long addr) { - writel(value, PCI_IOBASE + addr); + __io_pbw(); + __raw_writel(cpu_to_le32(value), PCI_IOBASE + addr); + __io_paw(); } #endif