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| author | Arnd Bergmann <arnd@arndb.de> | 2021-01-18 12:45:46 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2021-01-20 09:30:45 +0100 |
| commit | a579fcfa8e49cc77ad59211bb18bc5004133e6a0 (patch) | |
| tree | 51eee55987ddb1fdd125922606b71bafdf3b9bb8 /arch/c6x/include/asm/checksum.h | |
| parent | bd97ad35e816daf9a72ee35d3524d8417f7cf414 (diff) | |
| download | linux-a579fcfa8e49cc77ad59211bb18bc5004133e6a0.tar.bz2 | |
c6x: remove architecture
The c6x architecture was added to the kernel in 2011 at a time when
running Linux on DSPs was widely seen as the logical evolution.
It appears the trend has gone back to running Linux on Arm based SoCs
with DSP, using a better supported software ecosystem, and having better
real-time behavior for the DSP code. An example of this is TI's own
Keystone2 platform.
The upstream kernel port appears to no longer have any users. Mark
Salter remained avaialable to review patches, but mentioned that
he no longer has access to working hardware himself. Without any
users, it's best to just remove the code completely to reduce the
work for cross-architecture code changes.
Many thanks to Mark for maintaining the code for the past ten years.
Link: https://lore.kernel.org/lkml/41dc7795afda9f776d8cd0d3075f776cf586e97c.camel@redhat.com/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/c6x/include/asm/checksum.h')
| -rw-r--r-- | arch/c6x/include/asm/checksum.h | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/arch/c6x/include/asm/checksum.h b/arch/c6x/include/asm/checksum.h deleted file mode 100644 index 934918def632..000000000000 --- a/arch/c6x/include/asm/checksum.h +++ /dev/null @@ -1,34 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) 2011 Texas Instruments Incorporated - * Author: Mark Salter <msalter@redhat.com> - */ -#ifndef _ASM_C6X_CHECKSUM_H -#define _ASM_C6X_CHECKSUM_H - -static inline __wsum -csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len, - __u8 proto, __wsum sum) -{ - unsigned long long tmp; - - asm ("add .d1 %1,%5,%1\n" - "|| addu .l1 %3,%4,%0\n" - "addu .l1 %2,%0,%0\n" -#ifndef CONFIG_CPU_BIG_ENDIAN - "|| shl .s1 %1,8,%1\n" -#endif - "addu .l1 %1,%0,%0\n" - "add .l1 %P0,%p0,%2\n" - : "=&a"(tmp), "+a"(len), "+a"(sum) - : "a" (saddr), "a" (daddr), "a" (proto)); - return sum; -} -#define csum_tcpudp_nofold csum_tcpudp_nofold - -#define _HAVE_ARCH_CSUM_AND_COPY -extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len); - -#include <asm-generic/checksum.h> - -#endif /* _ASM_C6X_CHECKSUM_H */ |