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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-03-17 18:47:03 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-23 19:25:22 +0300 |
| commit | 53ee2663f0df536ccb37d559c4f4c53c4511db7a (patch) | |
| tree | 8f653bfba215c46e62bea1e18f11ed1de6acdbc9 /drivers/usb/host/xhci-mem.c | |
| parent | 347284984f415e52590373253c6943bbdc806ebf (diff) | |
| download | linux-53ee2663f0df536ccb37d559c4f4c53c4511db7a.tar.xz | |
xhci: mem: Use dma_poll_zalloc() instead of explicit memset()
Use dma_poll_zalloc() instead of explicit memset() call in
xhci_alloc_stream_ctx(). Note, that dma_alloc_coherent() is
always issues zeroed memory chunk.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20230317154715.535523-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index c385513ad00b..4ffa6495878d 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -575,10 +575,10 @@ static struct xhci_stream_ctx *xhci_alloc_stream_ctx(struct xhci_hcd *xhci, return dma_alloc_coherent(dev, size, dma, mem_flags); else if (size <= SMALL_STREAM_ARRAY_SIZE) - return dma_pool_alloc(xhci->small_streams_pool, + return dma_pool_zalloc(xhci->small_streams_pool, mem_flags, dma); else - return dma_pool_alloc(xhci->medium_streams_pool, + return dma_pool_zalloc(xhci->medium_streams_pool, mem_flags, dma); } @@ -643,8 +643,6 @@ struct xhci_stream_info *xhci_alloc_stream_info(struct xhci_hcd *xhci, mem_flags); if (!stream_info->stream_ctx_array) goto cleanup_ring_array; - memset(stream_info->stream_ctx_array, 0, - sizeof(struct xhci_stream_ctx)*num_stream_ctxs); /* Allocate everything needed to free the stream rings later */ stream_info->free_streams_command = |