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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /arch/m68k/lib/memset.c | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
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); |
