[PATCH v7 07/17] drivers/usb: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN
Catalin Marinas
catalin.marinas at arm.com
Mon Jun 12 08:31:51 PDT 2023
ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA
operations while ARCH_KMALLOC_MINALIGN is the minimum kmalloc() objects
alignment.
Signed-off-by: Catalin Marinas <catalin.marinas at arm.com>
Acked-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Tested-by: Isaac J. Manjarres <isaacmanjarres at google.com>
---
drivers/usb/core/buffer.c | 8 ++++----
1 file 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 */
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