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crypto: qat - disable IOV in adf_dev_stop()

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Disabling IOV has the side effect of re-enabling the AEs that might
attempt to do DMAs into the heartbeat buffers.
Move the disable_iov() function in adf_dev_stop() before the AEs are
stopped.

Fixes: ed8ccaef52 ("crypto: qat - Add support for SRIOV")
Signed-off-by: Michal Witwicki <michal.witwicki@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Michal Witwicki 2024-07-17 07:44:57 -04:00 committed by Herbert Xu
parent 4e190a5740
commit b6c7d36292
1 changed files with 2 additions and 2 deletions
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4
drivers/crypto/intel/qat/qat_common/adf_init.c
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@ -323,6 +323,8 @@ static void adf_dev_stop(struct adf_accel_dev *accel_dev)
if (hw_data->stop_timer)
hw_data->stop_timer(accel_dev);
hw_data->disable_iov(accel_dev);
if (wait)
msleep(100);
@ -386,8 +388,6 @@ static void adf_dev_shutdown(struct adf_accel_dev *accel_dev)
adf_tl_shutdown(accel_dev);
hw_data->disable_iov(accel_dev);
if (test_bit(ADF_STATUS_IRQ_ALLOCATED, &accel_dev->status)) {
hw_data->free_irq(accel_dev);
clear_bit(ADF_STATUS_IRQ_ALLOCATED, &accel_dev->status);