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Wed, 24 Oct 2018 00:36:03 -0700 (PDT) From: Corentin Labbe To: Gilles.Muller@lip6.fr, Julia.Lawall@lip6.fr, agust@denx.de, airlied@linux.ie, alexandre.torgue@st.com, alistair@popple.id.au, benh@kernel.crashing.org, carlo@caione.org, davem@davemloft.net, galak@kernel.crashing.org, joabreu@synopsys.com, khilman@baylibre.com, matthias.bgg@gmail.com, maxime.ripard@bootlin.com, michal.lkml@markovi.net, mpe@ellerman.id.au, mporter@kernel.crashing.org, narmstrong@baylibre.com, nicolas.palix@imag.fr, oss@buserror.net, paulus@samba.org, peppe.cavallaro@st.com, tj@kernel.org, vitb@kernel.crashing.org, wens@csie.org Subject: [PATCH v3 2/7] include: add setbits_leXX/clrbits_leXX/clrsetbits_leXX in linux/setbits.h Date: Wed, 24 Oct 2018 07:35:48 +0000 Message-Id: <1540366553-18541-3-git-send-email-clabbe@baylibre.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1540366553-18541-1-git-send-email-clabbe@baylibre.com> References: <1540366553-18541-1-git-send-email-clabbe@baylibre.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181024_033618_534812_52A8B733 X-CRM114-Status: GOOD ( 15.60 ) 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: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-ide@vger.kernel.org, linux-sunxi@googlegroups.com, linux-mediatek@lists.infradead.org, Corentin Labbe , linux-amlogic@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, cocci@systeme.lip6.fr, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 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 This patch adds setbits_le32/clrbits_le32/clrsetbits_le32 and setbits_le64/clrbits_le64/clrsetbits_le64 in linux/setbits.h header. Signed-off-by: Corentin Labbe --- include/linux/setbits.h | 84 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 include/linux/setbits.h diff --git a/include/linux/setbits.h b/include/linux/setbits.h new file mode 100644 index 000000000000..c82faf8d7fe4 --- /dev/null +++ b/include/linux/setbits.h @@ -0,0 +1,84 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __LINUX_SETBITS_H +#define __LINUX_SETBITS_H + +#include + +#define __setbits(rfn, wfn, addr, set) wfn((rfn(addr) | (set)), addr) +#define __clrbits(rfn, wfn, addr, mask) wfn((rfn(addr) & ~(mask)), addr) +#define __clrsetbits(rfn, wfn, addr, mask, set) wfn(((rfn(addr) & ~(mask)) | (set)), addr) +#define __setclrbits(rfn, wfn, addr, mask, set) wfn(((rfn(addr) | (set)) & ~(mask)), addr) + +#ifndef setbits_le32 +#define setbits_le32(addr, set) __setbits(readl, writel, addr, set) +#endif +#ifndef setbits_le32_relaxed +#define setbits_le32_relaxed(addr, set) __setbits(readl_relaxed, writel_relaxed, \ + addr, set) +#endif + +#ifndef clrbits_le32 +#define clrbits_le32(addr, mask) __clrbits(readl, writel, addr, mask) +#endif +#ifndef clrbits_le32_relaxed +#define clrbits_le32_relaxed(addr, mask) __clrbits(readl_relaxed, writel_relaxed, \ + addr, mask) +#endif + +#ifndef clrsetbits_le32 +#define clrsetbits_le32(addr, mask, set) __clrsetbits(readl, writel, addr, mask, set) +#endif +#ifndef clrsetbits_le32_relaxed +#define clrsetbits_le32_relaxed(addr, mask, set) __clrsetbits(readl_relaxed, \ + writel_relaxed, \ + addr, mask, set) +#endif + +#ifndef setclrbits_le32 +#define setclrbits_le32(addr, mask, set) __setclrbits(readl, writel, addr, mask, set) +#endif +#ifndef setclrbits_le32_relaxed +#define setclrbits_le32_relaxed(addr, mask, set) __setclrbits(readl_relaxed, \ + writel_relaxed, \ + addr, mask, set) +#endif + +/* We cannot use CONFIG_64BIT as some x86 drivers use non-atomicwriteq() */ +#if defined(writeq) && defined(readq) +#ifndef setbits_le64 +#define setbits_le64(addr, set) __setbits(readq, writeq, addr, set) +#endif +#ifndef setbits_le64_relaxed +#define setbits_le64_relaxed(addr, set) __setbits(readq_relaxed, writeq_relaxed, \ + addr, set) +#endif + +#ifndef clrbits_le64 +#define clrbits_le64(addr, mask) __clrbits(readq, writeq, addr, mask) +#endif +#ifndef clrbits_le64_relaxed +#define clrbits_le64_relaxed(addr, mask) __clrbits(readq_relaxed, writeq_relaxed, \ + addr, mask) +#endif + +#ifndef clrsetbits_le64 +#define clrsetbits_le64(addr, mask, set) __clrsetbits(readq, writeq, addr, mask, set) +#endif +#ifndef clrsetbits_le64_relaxed +#define clrsetbits_le64_relaxed(addr, mask, set) __clrsetbits(readq_relaxed, \ + writeq_relaxed, \ + addr, mask, set) +#endif + +#ifndef setclrbits_le64 +#define setclrbits_le64(addr, mask, set) __setclrbits(readq, writeq, addr, mask, set) +#endif +#ifndef setclrbits_le64_relaxed +#define setclrbits_le64_relaxed(addr, mask, set) __setclrbits(readq_relaxed, \ + writeq_relaxed, \ + addr, mask, set) +#endif + +#endif /* writeq/readq */ + +#endif /* __LINUX_SETBITS_H */