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authorCatalin Marinas <catalin.marinas@arm.com>2023-06-12 16:31:51 +0100
committerAndrew Morton <akpm@linux-foundation.org>2023-06-19 16:19:21 -0700
commit075efe7c1656932f60384fed36ed05a79c6b114b (patch)
tree1d68bd1186c539a2b05bb85fdf1dac0df64fb02f
parent6716ccaf43e0fe2e759b84eb1cef4c684873a847 (diff)
drivers/usb: use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN
ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA operations while ARCH_KMALLOC_MINALIGN is the minimum kmalloc() objects alignment. Link: https://lkml.kernel.org/r/20230612153201.554742-8-catalin.marinas@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Tested-by: Isaac J. Manjarres <isaacmanjarres@google.com> Cc: Alasdair Kergon <agk@redhat.com> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Christoph Hellwig <hch@lst.de> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Jerry Snitselaar <jsnitsel@redhat.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Jonathan Cameron <jic23@kernel.org> Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Logan Gunthorpe <logang@deltatee.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Mark Brown <broonie@kernel.org> Cc: Mike Snitzer <snitzer@kernel.org> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Saravana Kannan <saravanak@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r--drivers/usb/core/buffer.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c
index fbb087b728dc..e21d8d106977 100644
--- a/drivers/usb/core/buffer.c
+++ b/drivers/usb/core/buffer.c
@@ -34,13 +34,13 @@ void __init usb_init_pool_max(void)
{
/*
* The pool_max values must never be smaller than
- * ARCH_KMALLOC_MINALIGN.
+ * ARCH_DMA_MINALIGN.
*/
- if (ARCH_KMALLOC_MINALIGN <= 32)
+ if (ARCH_DMA_MINALIGN <= 32)
; /* Original value is okay */
- else if (ARCH_KMALLOC_MINALIGN <= 64)
+ else if (ARCH_DMA_MINALIGN <= 64)
pool_max[0] = 64;
- else if (ARCH_KMALLOC_MINALIGN <= 128)
+ else if (ARCH_DMA_MINALIGN <= 128)
pool_max[0] = 0; /* Don't use this pool */
else
BUILD_BUG(); /* We don't allow this */