mei: check whether hw start has succeeded
hw start may fail therefore the reset flow has to check for the return value Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -181,7 +181,12 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
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return;
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}
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mei_hw_start(dev);
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ret = mei_hw_start(dev);
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if (ret) {
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dev_err(&dev->pdev->dev, "hw_start failed disabling the device\n");
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dev->dev_state = MEI_DEV_DISABLED;
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return;
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}
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dev_dbg(&dev->pdev->dev, "link is established start sending messages.\n");
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/* link is established * start sending messages. */
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@ -544,9 +544,9 @@ static inline int mei_hw_reset(struct mei_device *dev, bool enable)
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return dev->ops->hw_reset(dev, enable);
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}
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static inline void mei_hw_start(struct mei_device *dev)
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static inline int mei_hw_start(struct mei_device *dev)
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{
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dev->ops->hw_start(dev);
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return dev->ops->hw_start(dev);
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}
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static inline void mei_clear_interrupts(struct mei_device *dev)
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