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| author | Yijie Yang <yijie.yang@oss.qualcomm.com> | 2026-08-11 16:46:47 +0800 |
|---|---|---|
| committer | Rob Herring (Arm) <robh@kernel.org> | 2026-08-15 15:46:52 -0500 |
| commit | e1c13aed4a1641550e8c9518c96f016e1d52d09b (patch) | |
| tree | 61c2297688373db165cc857b7c7adcb147a5c419 /arch/m68k/lib/memset.c | |
| download | linux-stable-e1c13aed4a1641550e8c9518c96f016e1d52d09b.tar.gz linux-stable-e1c13aed4a1641550e8c9518c96f016e1d52d09b.zip | |
dt-bindings: interconnect: qcom-bwmon: Add Maili cpu-bwmon compatiblegrafted
Add the Qualcomm Maili SoC compatible string for the CPU bandwidth
monitor (BWMONv4). This falls back to the sdm845-bwmon compatible,
consistent with the existing pattern used by other recent SoCs such as
sm8750 and kaanapali.
Signed-off-by: Yijie Yang <yijie.yang@oss.qualcomm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
Link: https://patch.msgid.link/20260811-bwmon-v2-1-80f7f150ab9e@oss.qualcomm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Diffstat (limited to 'arch/m68k/lib/memset.c')
| -rw-r--r-- | arch/m68k/lib/memset.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/m68k/lib/memset.c b/arch/m68k/lib/memset.c new file mode 100644 index 000000000..8a7639f0a --- /dev/null +++ b/arch/m68k/lib/memset.c @@ -0,0 +1,74 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#include <linux/module.h> +#include <linux/string.h> + +void *memset(void *s, int c, size_t count) +{ + void *xs = s; + size_t temp; + + if (!count) + return xs; + c &= 0xff; + c |= c << 8; + c |= c << 16; + if ((long)s & 1) { + char *cs = s; + *cs++ = c; + s = cs; + count--; + } + if (count > 2 && (long)s & 2) { + short *ss = s; + *ss++ = c; + s = ss; + count -= 2; + } + temp = count >> 2; + if (temp) { + long *ls = s; +#if defined(CONFIG_M68000) || defined(CONFIG_COLDFIRE) + for (; temp; temp--) + *ls++ = c; +#else + size_t temp1; + asm volatile ( + " movel %1,%2\n" + " andw #7,%2\n" + " lsrl #3,%1\n" + " negw %2\n" + " jmp %%pc@(2f,%2:w:2)\n" + "1: movel %3,%0@+\n" + " movel %3,%0@+\n" + " movel %3,%0@+\n" + " movel %3,%0@+\n" + " movel %3,%0@+\n" + " movel %3,%0@+\n" + " movel %3,%0@+\n" + " movel %3,%0@+\n" + "2: dbra %1,1b\n" + " clrw %1\n" + " subql #1,%1\n" + " jpl 1b" + : "=a" (ls), "=d" (temp), "=&d" (temp1) + : "d" (c), "0" (ls), "1" (temp)); +#endif + s = ls; + } + if (count & 2) { + short *ss = s; + *ss++ = c; + s = ss; + } + if (count & 1) { + char *cs = s; + *cs = c; + } + return xs; +} +EXPORT_SYMBOL(memset); |
