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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ee196371d5
Most architectures just call into ->dma_supported, but some also return 1 if the method is not present, or 0 if no dma ops are present (although that should never happeb). Consolidate this more broad version into common code. Also fix h8300 which inorrectly always returned 0, which would have been a problem if it's dma_set_mask implementation wasn't a similarly buggy noop. As a few architectures have much more elaborate implementations, we still allow for arch overrides. [jcmvbkbc@gmail.com: fix xtensa] Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Russell King <linux@arm.linux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Michal Simek <monstr@monstr.eu> Cc: Jonas Bonn <jonas@southpole.se> Cc: Chris Metcalf <cmetcalf@ezchip.com> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| asm | ||
| cpu-common/cpu | ||
| cpu-sh2/cpu | ||
| cpu-sh2a/cpu | ||
| cpu-sh3/cpu | ||
| cpu-sh4/cpu | ||
| cpu-sh4a/cpu | ||
| cpu-sh5/cpu | ||
| mach-common/mach | ||
| mach-dreamcast/mach | ||
| mach-ecovec24/mach | ||
| mach-kfr2r09/mach | ||
| mach-landisk/mach | ||
| mach-migor/mach | ||
| mach-sdk7786/mach | ||
| mach-se/mach | ||
| mach-sh03/mach | ||
| mach-x3proto/mach | ||
| uapi/asm | ||