usb: xhci: use bus->sysdev for DMA configuration

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For xhci-hcd platform device, all the DMA parameters are not
configured properly, notably dma ops for dwc3 devices. So, set
the dma for xhci from sysdev. sysdev is pointing to device that
is known to the system firmware or hardware.

Cc: Baolin Wang <baolin.wang@linaro.org>

Tested-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Tested-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Arnd Bergmann 2017-03-13 10:18:44 +08:00 • committed by Greg Kroah-Hartman

parent 8123e4953f

commit 4c39d4b949

3 changed files with 44 additions and 18 deletions

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12

drivers/usb/host/xhci-mem.c

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35

drivers/usb/host/xhci-plat.c

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15

drivers/usb/host/xhci.c

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