diff options
| author |   Christoph Hellwig <hch@lst.de> | 2019-09-03 10:46:13 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-03 15:26:11 +0200 |
| commit | ac2658e0d9f0461e730cbc343231dad304fb2f4f (patch) | |
| tree | 201774977465ac340d2e49fe5ba7f4d971b73160 /drivers/usb | |
| parent | usb-storage: use hcd_uses_dma to check for DMA capabilities (diff) | |
| download | linux-dev-ac2658e0d9f0461e730cbc343231dad304fb2f4f.tar.xz linux-dev-ac2658e0d9f0461e730cbc343231dad304fb2f4f.zip | |
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 <hch@lst.de>
Link: https://lore.kernel.org/r/20190903084615.19161-5-hch@lst.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/core/hcd.c | 3 |
1 files changed, 0 insertions, 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. |