Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752009AbdHCSa3 (ORCPT ); Thu, 3 Aug 2017 14:30:29 -0400 Received: from ale.deltatee.com ([207.54.116.67]:41750 "EHLO ale.deltatee.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751942AbdHCSa0 (ORCPT ); Thu, 3 Aug 2017 14:30:26 -0400 From: Logan Gunthorpe To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-ntb@googlegroups.com, linux-crypto@vger.kernel.org Cc: Arnd Bergmann , Greg Kroah-Hartman , Andy Shevchenko , =?UTF-8?q?Horia=20Geant=C4=83?= , Stephen Bates , Logan Gunthorpe , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Date: Thu, 3 Aug 2017 12:30:14 -0600 Message-Id: <20170803183018.5889-4-logang@deltatee.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170803183018.5889-1-logang@deltatee.com> References: <20170803183018.5889-1-logang@deltatee.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 172.16.1.31 X-SA-Exim-Rcpt-To: linux-ntb@googlegroups.com, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-crypto@vger.kernel.org, arnd@arndb.de, gregkh@linuxfoundation.org, andy.shevchenko@gmail.com, horia.geanta@nxp.com, sbates@raithlin.com, logang@deltatee.com, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au X-SA-Exim-Mail-From: gunthorp@deltatee.com Subject: [PATCH v6 3/7] powerpc: iomap.c: introduce io{read|write}64_{lo_hi|hi_lo} X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2232 Lines: 87 These functions will be introduced into the generic iomap.c so they can deal with PIO accesses in hi-lo/lo-hi variants. Thus, the powerpc version of iomap.c will need to provide the same functions even though, in this arch, they are identical to the regular io{read|write}64 functions. Signed-off-by: Logan Gunthorpe Tested-by: Horia Geantă Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Michael Ellerman --- arch/powerpc/kernel/iomap.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c index a1854d1ded8b..b43dbadfd24f 100644 --- a/arch/powerpc/kernel/iomap.c +++ b/arch/powerpc/kernel/iomap.c @@ -44,12 +44,32 @@ u64 ioread64(void __iomem *addr) { return readq(addr); } +u64 ioread64_lo_hi(void __iomem *addr) +{ + return readq(addr); +} +u64 ioread64_hi_lo(void __iomem *addr) +{ + return readq(addr); +} u64 ioread64be(void __iomem *addr) { return readq_be(addr); } +u64 ioread64be_lo_hi(void __iomem *addr) +{ + return readq_be(addr); +} +u64 ioread64be_hi_lo(void __iomem *addr) +{ + return readq_be(addr); +} EXPORT_SYMBOL(ioread64); +EXPORT_SYMBOL(ioread64_lo_hi); +EXPORT_SYMBOL(ioread64_hi_lo); EXPORT_SYMBOL(ioread64be); +EXPORT_SYMBOL(ioread64be_lo_hi); +EXPORT_SYMBOL(ioread64be_hi_lo); #endif /* __powerpc64__ */ void iowrite8(u8 val, void __iomem *addr) @@ -82,12 +102,32 @@ void iowrite64(u64 val, void __iomem *addr) { writeq(val, addr); } +void iowrite64_lo_hi(u64 val, void __iomem *addr) +{ + writeq(val, addr); +} +void iowrite64_hi_lo(u64 val, void __iomem *addr) +{ + writeq(val, addr); +} void iowrite64be(u64 val, void __iomem *addr) { writeq_be(val, addr); } +void iowrite64be_lo_hi(u64 val, void __iomem *addr) +{ + writeq_be(val, addr); +} +void iowrite64be_hi_lo(u64 val, void __iomem *addr) +{ + writeq_be(val, addr); +} EXPORT_SYMBOL(iowrite64); +EXPORT_SYMBOL(iowrite64_lo_hi); +EXPORT_SYMBOL(iowrite64_hi_lo); EXPORT_SYMBOL(iowrite64be); +EXPORT_SYMBOL(iowrite64be_lo_hi); +EXPORT_SYMBOL(iowrite64be_hi_lo); #endif /* __powerpc64__ */ /* -- 2.11.0