threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
59 lines
1.1 KiB
C
59 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_IO_64_NONATOMIC_HI_LO_H_
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#define _LINUX_IO_64_NONATOMIC_HI_LO_H_
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#include <linux/io.h>
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#include <asm-generic/int-ll64.h>
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static inline __u64 hi_lo_readq(const volatile void __iomem *addr)
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{
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const volatile u32 __iomem *p = addr;
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u32 low, high;
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high = readl(p + 1);
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low = readl(p);
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return low + ((u64)high << 32);
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}
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static inline void hi_lo_writeq(__u64 val, volatile void __iomem *addr)
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{
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writel(val >> 32, addr + 4);
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writel(val, addr);
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}
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static inline __u64 hi_lo_readq_relaxed(const volatile void __iomem *addr)
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{
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const volatile u32 __iomem *p = addr;
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u32 low, high;
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high = readl_relaxed(p + 1);
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low = readl_relaxed(p);
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return low + ((u64)high << 32);
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}
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static inline void hi_lo_writeq_relaxed(__u64 val, volatile void __iomem *addr)
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{
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writel_relaxed(val >> 32, addr + 4);
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writel_relaxed(val, addr);
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}
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#ifndef readq
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#define readq hi_lo_readq
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#endif
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#ifndef writeq
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#define writeq hi_lo_writeq
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#endif
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#ifndef readq_relaxed
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#define readq_relaxed hi_lo_readq_relaxed
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#endif
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#ifndef writeq_relaxed
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#define writeq_relaxed hi_lo_writeq_relaxed
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#endif
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#endif /* _LINUX_IO_64_NONATOMIC_HI_LO_H_ */
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