2022-02-19 07:09:37

by Baoquan He

[permalink] [raw]
Subject: [PATCH 08/22] usb: gadget: lpc32xx_udc: Don't use GFP_DMA when calling dma_alloc_coherent()

dma_alloc_coherent() allocates dma buffer with device's addressing
limitation in mind. It's redundent to specify GFP_DMA when calling
dma_alloc_coherent().

[ [email protected]: Update changelog ]

Signed-off-by: Baoquan He <[email protected]>
Acked-by: Hyeonggon Yoo <[email protected]>
---
drivers/usb/gadget/udc/lpc32xx_udc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c
index a25d01c89564..bcba5f9bc5a3 100644
--- a/drivers/usb/gadget/udc/lpc32xx_udc.c
+++ b/drivers/usb/gadget/udc/lpc32xx_udc.c
@@ -3080,7 +3080,7 @@ static int lpc32xx_udc_probe(struct platform_device *pdev)
/* Allocate memory for the UDCA */
udc->udca_v_base = dma_alloc_coherent(&pdev->dev, UDCA_BUFF_SIZE,
&dma_handle,
- (GFP_KERNEL | GFP_DMA));
+ GFP_KERNEL);
if (!udc->udca_v_base) {
dev_err(udc->dev, "error getting UDCA region\n");
retval = -ENOMEM;
--
2.17.2