[Patch v2 2/2] firmware: qcom: scm: Fix interrupted SCM calls
will.deacon at arm.com
Wed Jan 4 09:33:46 PST 2017
On Thu, Dec 29, 2016 at 05:27:26PM -0600, Andy Gross wrote:
> This patch adds a Qualcomm specific quirk to the arm_smccc_smc call.
> On Qualcomm ARM64 platforms, the SMC call can return before it has
> completed. If this occurs, the call can be restarted, but it requires
> using the returned session ID value from the interrupted SMC call.
> The quirk stores off the session ID from the interrupted call in the
> quirk structure so that it can be used by the caller.
> This patch folds in a fix given by Sricharan R:
> Signed-off-by: Andy Gross <andy.gross at linaro.org>
> arch/arm64/kernel/smccc-call.S | 9 ++++++++-
> drivers/firmware/qcom_scm-64.c | 13 ++++++++++---
> include/linux/arm-smccc.h | 11 ++++++++---
> 3 files changed, 26 insertions(+), 7 deletions(-)
Reviewed-by: Will Deacon <will.deacon at arm.com>
Thanks for sticking with this, it looks good to me now.
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