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intel_th: Output devices without ports don't need assigning

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Output subdevices that rely on other output subdevices (or otherwise
don't directly talk to an output port on the switch) don't need to be
assigned an output port either.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
This commit is contained in:
Alexander Shishkin 2016-11-18 14:51:05 +02:00
parent e9b2b3e793
commit 5376be63ff
1 changed files with 12 additions and 11 deletions
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23
drivers/hwtracing/intel_th/intel_th.h
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@ -96,6 +96,16 @@ intel_th_device_get_resource(struct intel_th_device *thdev, unsigned int type,
return NULL;
}
/*
* GTH, output ports configuration
*/
enum {
GTH_NONE = 0,
GTH_MSU, /* memory/usb */
GTH_CTP, /* Common Trace Port */
GTH_PTI = 4, /* MIPI-PTI */
};
/**
* intel_th_output_assigned() - if an output device is assigned to a switch port
* @thdev: the output device
@ -106,7 +116,8 @@ static inline bool
intel_th_output_assigned(struct intel_th_device *thdev)
{
return thdev->type == INTEL_TH_OUTPUT &&
thdev->output.port >= 0;
(thdev->output.port >= 0 ||
thdev->output.type == GTH_NONE);
}
/**
@ -249,16 +260,6 @@ enum {
REG_DCIH_LENGTH = REG_MSU_LENGTH,
};
/*
* GTH, output ports configuration
*/
enum {
GTH_NONE = 0,
GTH_MSU, /* memory/usb */
GTH_CTP, /* Common Trace Port */
GTH_PTI = 4, /* MIPI-PTI */
};
/*
* Scratchpad bits: tell firmware and external debuggers
* what we are up to.