From ac2658e0d9f0461e730cbc343231dad304fb2f4f Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 3 Sep 2019 10:46:13 +0200 Subject: [PATCH] usb: remove a stale comment in hcd_alloc_coherent Now that we have the local memory pool implemented there is no need to use dma_declare_coherent_memory. Signed-off-by: Christoph Hellwig Link: https://lore.kernel.org/r/20190903084615.19161-5-hch@lst.de Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/hcd.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index add2af4af766..4ccfc8e59604 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1249,9 +1249,6 @@ EXPORT_SYMBOL_GPL(usb_hcd_unlink_urb_from_ep); * To support host controllers with limited dma capabilities we provide dma * bounce buffers. This feature can be enabled by initializing * hcd->localmem_pool using usb_hcd_setup_local_mem(). - * For this to work properly the host controller code must first use the - * function dma_declare_coherent_memory() to point out which memory area - * that should be used for dma allocations. * * The initialized hcd->localmem_pool then tells the usb code to allocate all * data for dma using the genalloc API.