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authorPaul Zimmerman <Paul.Zimmerman@synopsys.com>2014-09-16 20:47:26 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-09-19 23:17:58 (GMT)
commite8f8c14d9da7ab1b8a7b0f769cd7148ca2cc7d10 (patch)
tree1f689fc9680a8059f83fd2be66c9541a700c4da5 /drivers/usb/dwc2/hcd_intr.c
parentd00b41428042e72d9dc2557d9147434a4e3d631f (diff)
downloadlinux-e8f8c14d9da7ab1b8a7b0f769cd7148ca2cc7d10.tar.xz
usb: dwc2: clip max_transfer_size to 65535
Clip max_transfer_size to 65535 for host. dwc2_hc_setup_align_buf() allocates coherent buffers with this size, and if it's too large we can exhaust the coherent DMA pool. Tested on Raspberry Pi and Altera SOCFPGA. Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc2/hcd_intr.c')
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