linux/arch/m68k
Christoph Hellwig 7a360df941 m68k: don't provide arch_dma_alloc for nommu/coldfire
Coldfire cores configured with a data cache can't provide coherent
DMA allocations at all.

Instead of returning non-coherent kernel memory in this case,
return NULL and fail the allocation.

The only driver that used to rely on the previous behavior (fec) has
been switched to use non-coherent allocations for this case recently.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Greg Ungerer <gerg@linux-m68k.org>
Tested-by: Greg Ungerer <gerg@linux-m68k.org>
2023-10-22 16:38:55 +02:00
..
68000 m68knommu: updates and fixes for v6.3 2023-02-27 09:31:02 -08:00
amiga m68k: Add asm/config.h 2022-02-21 12:00:20 +01:00
apollo m68k: Add asm/config.h 2022-02-21 12:00:20 +01:00
atari for-5.18/block-2022-03-18 2022-03-21 16:48:55 -07:00
bvme6000 for-5.18/block-2022-03-18 2022-03-21 16:48:55 -07:00
coldfire m68k: coldfire: dma_timer: ERROR: "foo __init bar" should be "foo __init bar" 2023-08-21 08:45:36 +10:00
configs - An extensive rework of kexec and crash Kconfig from Eric DeVolder 2023-08-29 14:53:51 -07:00
emu tty: make tty_operations::write()'s count size_t 2023-08-11 21:12:46 +02:00
fpsp040 m68k: Fix invalid .section syntax 2023-07-24 14:50:02 +02:00
hp300 m68k: removed unused "mach_get_ss" 2022-05-25 00:04:11 +10:00
ifpsp060 m68k: Fix invalid .section syntax 2023-07-24 14:50:02 +02:00
include ata changes for 6.6 2023-09-05 12:37:28 -07:00
kernel m68k: don't provide arch_dma_alloc for nommu/coldfire 2023-10-22 16:38:55 +02:00
lib m68k: Replace #include <asm/export.h> with #include <linux/export.h> 2023-08-21 13:27:43 +02:00
mac m68k: mac: Reword comment using double "in" 2022-11-01 12:17:56 +01:00
math-emu m68k: math-emu: Fix typos in comments 2022-05-09 13:13:59 +02:00
mm m68k: implement the new page table range API 2023-08-24 16:20:21 -07:00
mvme16x for-5.18/block-2022-03-18 2022-03-21 16:48:55 -07:00
mvme147 for-5.18/block-2022-03-18 2022-03-21 16:48:55 -07:00
q40 m68k: q40: Do not initialise statics to 0 2023-01-30 16:39:43 +01:00
sun3 m68k: Pass a pointer to virt_to_pfn() virt_to_page() 2023-05-29 11:27:07 +02:00
sun3x m68k: Pass a pointer to virt_to_pfn() virt_to_page() 2023-05-29 11:27:07 +02:00
tools/amiga m68k: tools: Replace zero-length array with flexible-array member 2020-05-25 10:55:56 +02:00
virt m68k: Rework BI_VIRT_RNG_SEED as BI_RNG_SEED 2022-09-28 22:16:44 +02:00
install.sh kbuild: factor out the common installation code into scripts/install.sh 2022-05-11 21:45:53 +09:00
Kbuild m68k: Introduce a virtual m68k machine 2022-04-11 11:48:01 +02:00
Kconfig m68k: don't provide arch_dma_alloc for nommu/coldfire 2023-10-22 16:38:55 +02:00
Kconfig.bus m68k: coldfire: drop ISA_DMA_API support 2022-05-16 13:18:30 +10:00
Kconfig.cpu m68k: use the coherent DMA code for coldfire without data cache 2023-10-22 16:38:54 +02:00
Kconfig.debug m68k: Remove obsolete config NO_KERNEL_MSG 2023-03-20 15:39:14 +01:00
Kconfig.devices m68k: /proc/hardware should depend on PROC_FS 2023-02-13 11:34:49 +01:00
Kconfig.machine m68knommu: updates and fixes for v6.4 2023-04-28 16:37:54 -07:00
Makefile kbuild: remove head-y syntax 2022-10-02 18:06:03 +09:00