[PATCH 16/22] usb: udc: lpc32xx: Don't use GFP_DMA when calling dma_pool_alloc()

Baoquan He
2022-02-19T00:57:55Z

dma_pool_alloc() uses dma_alloc_coherent() to pre-allocate DMA buffer,
so it's redundent to specify GFP_DMA when calling.

Signed-off-by: Baoquan He <bhe@redhat.com>
---
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 bcba5f9bc5a3..d234de1c62b3 100644
--- a/drivers/usb/gadget/udc/lpc32xx_udc.c
+++ b/drivers/usb/gadget/udc/lpc32xx_udc.c
@@ -922,7 +922,7 @@ static struct lpc32xx_usbd_dd_gad *udc_dd_alloc(struct lpc32xx_udc *udc)
dma_addr_t dma;
struct lpc32xx_usbd_dd_gad *dd;

- dd = dma_pool_alloc(udc->dd_cache, GFP_ATOMIC | GFP_DMA, &dma);
+ dd = dma_pool_alloc(udc->dd_cache, GFP_ATOMIC, &dma);
if (dd)
dd->this_dma = dma;

--
2.17.2