staging: dwc2: add check on dwc2_core_reset return

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If the GRSTCTL_CSFTRST self-clearing bit never comes
back to 0 for any reason, the controller is under reset
state and cannot be used. It's preferable to abort
initialization in such case.

Signed-off-by: Julien Delacou <julien.delacou@st.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Julien DELACOU 2013-11-20 17:29:49 +01:00 • committed by Greg Kroah-Hartman

parent b34085fdc2

commit beb7e592bc

1 changed files with 45 additions and 13 deletions

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drivers/staging/dwc2/core.c

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