usb: host: xhci: plat: check hcc_params after add hcd

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commit 5de4e1ea9a upstream.

The commit 4ac53087d6 ("usb: xhci: plat: Create both
HCDs before adding them") move add hcd to the end of
probe, this cause hcc_params uninitiated, because xHCI
driver sets hcc_params in xhci_gen_setup() called from
usb_add_hcd().

This patch checks the Maximum Primary Stream Array Size
in the hcc_params register after add primary hcd.

Signed-off-by: William wu <william.wu@rock-chips.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Fixes: 4ac53087d6 ("usb: xhci: plat: Create both HCDs before adding them")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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William wu 2017-01-17 15:32:07 +08:00 • committed by Greg Kroah-Hartman

parent 3ccf60e1ff

commit 82bd560d95

1 changed files with 3 additions and 3 deletions

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drivers/usb/host/xhci-plat.c

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