diff mbox series

[v3,09/13] drivers/usb: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN

Message ID 20221106220143.2129263-10-catalin.marinas@arm.com (mailing list archive)
State New, archived
Headers show
Series mm, dma, arm64: Reduce ARCH_KMALLOC_MINALIGN to 8 | expand

Commit Message

Catalin Marinas Nov. 6, 2022, 10:01 p.m. UTC 
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@arm.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/core/buffer.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

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 */