usb: xhci: configure 32-bit DMA if the controller does not support 64-bit DMA

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This change avoids DMA error in the cases where dma_mask and
coherent_dma_mask of a 32-bit controller get configured as
DMA_BIT_MASK(64) when running on a 64-bit system.

Signed-off-by: Duc Dang <dhdang@apm.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Duc Dang 2015-10-09 13:30:13 +03:00 • committed by Greg Kroah-Hartman

parent 579085b51c

commit fda182d80a

1 changed files with 10 additions and 0 deletions

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drivers/usb/host/xhci.c

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