diff options
| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2017-08-18 17:57:35 +0300 |
|---|---|---|
| committer | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2017-08-25 18:47:59 +0300 |
| commit | 3321371b5d648479058fa6f9441168abbc1467c9 (patch) | |
| tree | df748323a68aa5b74d8daa0c31149511b73fc290 /drivers/hwtracing/intel_th/intel_th.h | |
| parent | efb3669e14fe17d0ec4ecf57d0365039fe726f59 (diff) | |
intel_th: pci: Use drvdata for quirks
Allow attaching miscellaneous quirk information to devices as drvdata.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Diffstat (limited to 'drivers/hwtracing/intel_th/intel_th.h')
| -rw-r--r-- | drivers/hwtracing/intel_th/intel_th.h | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/hwtracing/intel_th/intel_th.h b/drivers/hwtracing/intel_th/intel_th.h index 3f4558404dca..68244602ca29 100644 --- a/drivers/hwtracing/intel_th/intel_th.h +++ b/drivers/hwtracing/intel_th/intel_th.h @@ -48,8 +48,19 @@ struct intel_th_output { }; /** + * struct intel_th_drvdata - describes hardware capabilities and quirks + * @tscu_enable: device needs SW to enable time stamping unit + */ +struct intel_th_drvdata { + unsigned int tscu_enable : 1; +}; + +#define INTEL_TH_CAP(_th, _cap) ((_th)->drvdata ? (_th)->drvdata->_cap : 0) + +/** * struct intel_th_device - device on the intel_th bus * @dev: device + * @drvdata: hardware capabilities/quirks * @resource: array of resources available to this device * @num_resources: number of resources in @resource array * @type: INTEL_TH_{SOURCE,OUTPUT,SWITCH} @@ -59,11 +70,12 @@ struct intel_th_output { * @name: device name to match the driver */ struct intel_th_device { - struct device dev; - struct resource *resource; - unsigned int num_resources; - unsigned int type; - int id; + struct device dev; + struct intel_th_drvdata *drvdata; + struct resource *resource; + unsigned int num_resources; + unsigned int type; + int id; /* INTEL_TH_SWITCH specific */ bool host_mode; @@ -206,8 +218,8 @@ static inline struct intel_th *to_intel_th(struct intel_th_device *thdev) } struct intel_th * -intel_th_alloc(struct device *dev, struct resource *devres, - unsigned int ndevres, int irq); +intel_th_alloc(struct device *dev, struct intel_th_drvdata *drvdata, + struct resource *devres, unsigned int ndevres, int irq); void intel_th_free(struct intel_th *th); int intel_th_driver_register(struct intel_th_driver *thdrv); @@ -248,6 +260,7 @@ struct intel_th { struct intel_th_device *thdev[TH_SUBDEVICE_MAX]; struct intel_th_device *hub; + struct intel_th_drvdata *drvdata; struct resource *resource; unsigned int num_thdevs; |