| Message ID | 1705634583-17631-7-git-send-email-quic_taozha@quicinc.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v4,01/10] coresight-tpdm: Optimize the store function of tpdm simple dataset | expand |
On 19/01/2024 03:22, Tao Zhang wrote: > TPDM CMB subunits support two forms of CMB data set element creation: > continuous and trace-on-change collection mode. Continuous change > creates CMB data set elements on every CMBCLK edge. Trace-on-change > creates CMB data set elements only when a new data set element differs > in value from the previous element in a CMB data set. Set CMB_CR.MODE > to 0 for continuous CMB collection mode. Set CMB_CR.MODE to 1 for > trace-on-change CMB collection mode. > > Reviewed-by: James Clark <james.clark@arm.com> > Signed-off-by: Tao Zhang <quic_taozha@quicinc.com> > Signed-off-by: Jinlong Mao <quic_jinlmao@quicinc.com> > --- > .../testing/sysfs-bus-coresight-devices-tpdm | 14 +++++ > drivers/hwtracing/coresight/coresight-tpdm.c | 61 +++++++++++++++++++ > drivers/hwtracing/coresight/coresight-tpdm.h | 12 ++++ > 3 files changed, 87 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm > index 4dd49b159543..3ae21ccf3f29 100644 > --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm > +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm > @@ -170,3 +170,17 @@ Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_t > Description: > (RW) Set/Get the MSR(mux select register) for the DSB subunit > TPDM. > + > +What: /sys/bus/coresight/devices/<tpdm-name>/cmb_mode > +Date: March 2023 > +KernelVersion 6.7 > +Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com> > +Description: (Write) Set the data collection mode of CMB tpdm. Continuous > + change creates CMB data set elements on every CMBCLK edge. > + Trace-on-change creates CMB data set elements only when a new > + data set element differs in value from the previous element > + in a CMB data set. > + > + Accepts only one of the 2 values - 0 or 1. > + 0 : Continuous CMB collection mode. > + 1 : Trace-on-change CMB collection mode. > diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c > index 424a2f724d82..b55aee65a856 100644 > --- a/drivers/hwtracing/coresight/coresight-tpdm.c > +++ b/drivers/hwtracing/coresight/coresight-tpdm.c > @@ -137,6 +137,18 @@ static umode_t tpdm_dsb_is_visible(struct kobject *kobj, > return 0; > } > > +static umode_t tpdm_cmb_is_visible(struct kobject *kobj, > + struct attribute *attr, int n) > +{ > + struct device *dev = kobj_to_dev(kobj); > + struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent); > + > + if (drvdata && tpdm_has_cmb_dataset(drvdata)) > + return attr->mode; > + > + return 0; > +} > + > static umode_t tpdm_dsb_msr_is_visible(struct kobject *kobj, > struct attribute *attr, int n) > { > @@ -161,6 +173,9 @@ static void tpdm_reset_datasets(struct tpdm_drvdata *drvdata) > drvdata->dsb->trig_ts = true; > drvdata->dsb->trig_type = false; > } > + > + if (tpdm_has_cmb_dataset(drvdata)) This could simply be gated on drvdata->cmb for extra safety ? if (drvdata->cmb) > + memset(drvdata->cmb, 0, sizeof(struct cmb_dataset)); > } > > static void set_dsb_mode(struct tpdm_drvdata *drvdata, u32 *val) > @@ -389,6 +404,12 @@ static int tpdm_datasets_setup(struct tpdm_drvdata *drvdata) > if (!drvdata->dsb) > return -ENOMEM; > } > + if (tpdm_has_cmb_dataset(drvdata) && (!drvdata->cmb)) { > + drvdata->cmb = devm_kzalloc(drvdata->dev, > + sizeof(*drvdata->cmb), GFP_KERNEL); > + if (!drvdata->cmb) > + return -ENOMEM; > + } > tpdm_reset_datasets(drvdata); > > return 0; > @@ -727,6 +748,35 @@ static ssize_t dsb_trig_ts_store(struct device *dev, > } > static DEVICE_ATTR_RW(dsb_trig_ts); > > +static ssize_t cmb_mode_show(struct device *dev, > + struct device_attribute *attr, > + char *buf) > +{ > + struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent); > + > + return sysfs_emit(buf, "%x\n", > + drvdata->cmb->trace_mode); minor nit: Don't need to split the line here. Also, for completeness, you need to read it under spinlock, use guard() to unlock implicitly. > + > +} > + > +static ssize_t cmb_mode_store(struct device *dev, > + struct device_attribute *attr, > + const char *buf, > + size_t size) > +{ > + struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent); > + unsigned long trace_mode; > + > + if ((kstrtoul(buf, 0, &trace_mode)) || (trace_mode & ~1UL)) minor nit: drop () around kstrtoul() Rest looks fine. Suzuki > + return -EINVAL; > + > + spin_lock(&drvdata->spinlock); > + drvdata->cmb->trace_mode = trace_mode; > + spin_unlock(&drvdata->spinlock); > + return size; > +} > +static DEVICE_ATTR_RW(cmb_mode); > + > static struct attribute *tpdm_dsb_edge_attrs[] = { > &dev_attr_ctrl_idx.attr, > &dev_attr_ctrl_val.attr, > @@ -843,6 +893,11 @@ static struct attribute *tpdm_dsb_attrs[] = { > NULL, > }; > > +static struct attribute *tpdm_cmb_attrs[] = { > + &dev_attr_cmb_mode.attr, > + NULL, > +}; > + > static struct attribute_group tpdm_dsb_attr_grp = { > .attrs = tpdm_dsb_attrs, > .is_visible = tpdm_dsb_is_visible, > @@ -872,6 +927,11 @@ static struct attribute_group tpdm_dsb_msr_grp = { > .name = "dsb_msr", > }; > > +static struct attribute_group tpdm_cmb_attr_grp = { > + .attrs = tpdm_cmb_attrs, > + .is_visible = tpdm_cmb_is_visible, > +}; > + > static const struct attribute_group *tpdm_attr_grps[] = { > &tpdm_attr_grp, > &tpdm_dsb_attr_grp, > @@ -879,6 +939,7 @@ static const struct attribute_group *tpdm_attr_grps[] = { > &tpdm_dsb_trig_patt_grp, > &tpdm_dsb_patt_grp, > &tpdm_dsb_msr_grp, > + &tpdm_cmb_attr_grp, > NULL, > }; > > diff --git a/drivers/hwtracing/coresight/coresight-tpdm.h b/drivers/hwtracing/coresight/coresight-tpdm.h > index a442d9c6e4ac..2af92c270ed1 100644 > --- a/drivers/hwtracing/coresight/coresight-tpdm.h > +++ b/drivers/hwtracing/coresight/coresight-tpdm.h > @@ -14,6 +14,8 @@ > > /* Enable bit for CMB subunit */ > #define TPDM_CMB_CR_ENA BIT(0) > +/* Trace collection mode for CMB subunit */ > +#define TPDM_CMB_CR_MODE BIT(1) > > /* DSB Subunit Registers */ > #define TPDM_DSB_CR (0x780) > @@ -181,6 +183,14 @@ struct dsb_dataset { > bool trig_type; > }; > > +/** > + * struct cmb_dataset > + * @trace_mode: Dataset collection mode > + */ > +struct cmb_dataset { > + u32 trace_mode; > +}; > + > /** > * struct tpdm_drvdata - specifics associated to an TPDM component > * @base: memory mapped base address for this component. > @@ -190,6 +200,7 @@ struct dsb_dataset { > * @enable: enable status of the component. > * @datasets: The datasets types present of the TPDM. > * @dsb Specifics associated to TPDM DSB. > + * @cmb Specifics associated to TPDM CMB. > * @dsb_msr_num Number of MSR supported by DSB TPDM > */ > > @@ -201,6 +212,7 @@ struct tpdm_drvdata { > bool enable; > unsigned long datasets; > struct dsb_dataset *dsb; > + struct cmb_dataset *cmb; > u32 dsb_msr_num; > }; >
On 1/19/2024 7:53 PM, Suzuki K Poulose wrote: > On 19/01/2024 03:22, Tao Zhang wrote: >> TPDM CMB subunits support two forms of CMB data set element creation: >> continuous and trace-on-change collection mode. Continuous change >> creates CMB data set elements on every CMBCLK edge. Trace-on-change >> creates CMB data set elements only when a new data set element differs >> in value from the previous element in a CMB data set. Set CMB_CR.MODE >> to 0 for continuous CMB collection mode. Set CMB_CR.MODE to 1 for >> trace-on-change CMB collection mode. >> >> Reviewed-by: James Clark <james.clark@arm.com> >> Signed-off-by: Tao Zhang <quic_taozha@quicinc.com> >> Signed-off-by: Jinlong Mao <quic_jinlmao@quicinc.com> >> --- >> .../testing/sysfs-bus-coresight-devices-tpdm | 14 +++++ >> drivers/hwtracing/coresight/coresight-tpdm.c | 61 +++++++++++++++++++ >> drivers/hwtracing/coresight/coresight-tpdm.h | 12 ++++ >> 3 files changed, 87 insertions(+) >> >> diff --git >> a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm >> b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm >> index 4dd49b159543..3ae21ccf3f29 100644 >> --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm >> +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm >> @@ -170,3 +170,17 @@ Contact: Jinlong Mao (QUIC) >> <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_t >> Description: >> (RW) Set/Get the MSR(mux select register) for the DSB subunit >> TPDM. >> + >> +What: /sys/bus/coresight/devices/<tpdm-name>/cmb_mode >> +Date: March 2023 >> +KernelVersion 6.7 >> +Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang >> (QUIC) <quic_taozha@quicinc.com> >> +Description: (Write) Set the data collection mode of CMB tpdm. >> Continuous >> + change creates CMB data set elements on every CMBCLK edge. >> + Trace-on-change creates CMB data set elements only when a new >> + data set element differs in value from the previous element >> + in a CMB data set. >> + >> + Accepts only one of the 2 values - 0 or 1. >> + 0 : Continuous CMB collection mode. >> + 1 : Trace-on-change CMB collection mode. >> diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c >> b/drivers/hwtracing/coresight/coresight-tpdm.c >> index 424a2f724d82..b55aee65a856 100644 >> --- a/drivers/hwtracing/coresight/coresight-tpdm.c >> +++ b/drivers/hwtracing/coresight/coresight-tpdm.c >> @@ -137,6 +137,18 @@ static umode_t tpdm_dsb_is_visible(struct >> kobject *kobj, >> return 0; >> } >> +static umode_t tpdm_cmb_is_visible(struct kobject *kobj, >> + struct attribute *attr, int n) >> +{ >> + struct device *dev = kobj_to_dev(kobj); >> + struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent); >> + >> + if (drvdata && tpdm_has_cmb_dataset(drvdata)) >> + return attr->mode; >> + >> + return 0; >> +} >> + >> static umode_t tpdm_dsb_msr_is_visible(struct kobject *kobj, >> struct attribute *attr, int n) >> { >> @@ -161,6 +173,9 @@ static void tpdm_reset_datasets(struct >> tpdm_drvdata *drvdata) >> drvdata->dsb->trig_ts = true; >> drvdata->dsb->trig_type = false; >> } >> + >> + if (tpdm_has_cmb_dataset(drvdata)) > > This could simply be gated on drvdata->cmb for extra safety ? > > if (drvdata->cmb) Sure, can I also use "if (drvdata->dsb) " instead of "if (tpdm_has_dsb_dataset(drvdata))" and update in the same patch? > >> + memset(drvdata->cmb, 0, sizeof(struct cmb_dataset)); >> } >> static void set_dsb_mode(struct tpdm_drvdata *drvdata, u32 *val) >> @@ -389,6 +404,12 @@ static int tpdm_datasets_setup(struct >> tpdm_drvdata *drvdata) >> if (!drvdata->dsb) >> return -ENOMEM; >> } >> + if (tpdm_has_cmb_dataset(drvdata) && (!drvdata->cmb)) { >> + drvdata->cmb = devm_kzalloc(drvdata->dev, >> + sizeof(*drvdata->cmb), GFP_KERNEL); >> + if (!drvdata->cmb) >> + return -ENOMEM; >> + } >> tpdm_reset_datasets(drvdata); >> return 0; >> @@ -727,6 +748,35 @@ static ssize_t dsb_trig_ts_store(struct device >> *dev, >> } >> static DEVICE_ATTR_RW(dsb_trig_ts); >> +static ssize_t cmb_mode_show(struct device *dev, >> + struct device_attribute *attr, >> + char *buf) >> +{ >> + struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent); >> + >> + return sysfs_emit(buf, "%x\n", >> + drvdata->cmb->trace_mode); > > minor nit: Don't need to split the line here. Also, for completeness, > you need to read it under spinlock, use guard() to unlock implicitly. Sure, I will not split the line here in the next patch series. I didn't add spinlock here because the show function only read the value. Do you mean I need to add the spinlock to all of the show function? > >> + >> +} >> + >> +static ssize_t cmb_mode_store(struct device *dev, >> + struct device_attribute *attr, >> + const char *buf, >> + size_t size) >> +{ >> + struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent); >> + unsigned long trace_mode; >> + >> + if ((kstrtoul(buf, 0, &trace_mode)) || (trace_mode & ~1UL)) > > minor nit: drop () around kstrtoul() Sure, I will update in the next patch series. Best, Tao > > Rest looks fine. > > Suzuki > >> + return -EINVAL; >> + >> + spin_lock(&drvdata->spinlock); >> + drvdata->cmb->trace_mode = trace_mode; >> + spin_unlock(&drvdata->spinlock); >> + return size; >> +} >> +static DEVICE_ATTR_RW(cmb_mode); >> + >> static struct attribute *tpdm_dsb_edge_attrs[] = { >> &dev_attr_ctrl_idx.attr, >> &dev_attr_ctrl_val.attr, >> @@ -843,6 +893,11 @@ static struct attribute *tpdm_dsb_attrs[] = { >> NULL, >> }; >> +static struct attribute *tpdm_cmb_attrs[] = { >> + &dev_attr_cmb_mode.attr, >> + NULL, >> +}; >> + >> static struct attribute_group tpdm_dsb_attr_grp = { >> .attrs = tpdm_dsb_attrs, >> .is_visible = tpdm_dsb_is_visible, >> @@ -872,6 +927,11 @@ static struct attribute_group tpdm_dsb_msr_grp = { >> .name = "dsb_msr", >> }; >> +static struct attribute_group tpdm_cmb_attr_grp = { >> + .attrs = tpdm_cmb_attrs, >> + .is_visible = tpdm_cmb_is_visible, >> +}; >> + >> static const struct attribute_group *tpdm_attr_grps[] = { >> &tpdm_attr_grp, >> &tpdm_dsb_attr_grp, >> @@ -879,6 +939,7 @@ static const struct attribute_group >> *tpdm_attr_grps[] = { >> &tpdm_dsb_trig_patt_grp, >> &tpdm_dsb_patt_grp, >> &tpdm_dsb_msr_grp, >> + &tpdm_cmb_attr_grp, >> NULL, >> }; >> diff --git a/drivers/hwtracing/coresight/coresight-tpdm.h >> b/drivers/hwtracing/coresight/coresight-tpdm.h >> index a442d9c6e4ac..2af92c270ed1 100644 >> --- a/drivers/hwtracing/coresight/coresight-tpdm.h >> +++ b/drivers/hwtracing/coresight/coresight-tpdm.h >> @@ -14,6 +14,8 @@ >> /* Enable bit for CMB subunit */ >> #define TPDM_CMB_CR_ENA BIT(0) >> +/* Trace collection mode for CMB subunit */ >> +#define TPDM_CMB_CR_MODE BIT(1) >> /* DSB Subunit Registers */ >> #define TPDM_DSB_CR (0x780) >> @@ -181,6 +183,14 @@ struct dsb_dataset { >> bool trig_type; >> }; >> +/** >> + * struct cmb_dataset >> + * @trace_mode: Dataset collection mode >> + */ >> +struct cmb_dataset { >> + u32 trace_mode; >> +}; >> + >> /** >> * struct tpdm_drvdata - specifics associated to an TPDM component >> * @base: memory mapped base address for this component. >> @@ -190,6 +200,7 @@ struct dsb_dataset { >> * @enable: enable status of the component. >> * @datasets: The datasets types present of the TPDM. >> * @dsb Specifics associated to TPDM DSB. >> + * @cmb Specifics associated to TPDM CMB. >> * @dsb_msr_num Number of MSR supported by DSB TPDM >> */ >> @@ -201,6 +212,7 @@ struct tpdm_drvdata { >> bool enable; >> unsigned long datasets; >> struct dsb_dataset *dsb; >> + struct cmb_dataset *cmb; >> u32 dsb_msr_num; >> }; > > _______________________________________________ > CoreSight mailing list -- coresight@lists.linaro.org > To unsubscribe send an email to coresight-leave@lists.linaro.org
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm index 4dd49b159543..3ae21ccf3f29 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm @@ -170,3 +170,17 @@ Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_t Description: (RW) Set/Get the MSR(mux select register) for the DSB subunit TPDM. + +What: /sys/bus/coresight/devices/<tpdm-name>/cmb_mode +Date: March 2023 +KernelVersion 6.7 +Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com> +Description: (Write) Set the data collection mode of CMB tpdm. Continuous + change creates CMB data set elements on every CMBCLK edge. + Trace-on-change creates CMB data set elements only when a new + data set element differs in value from the previous element + in a CMB data set. + + Accepts only one of the 2 values - 0 or 1. + 0 : Continuous CMB collection mode. + 1 : Trace-on-change CMB collection mode. diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c index 424a2f724d82..b55aee65a856 100644 --- a/drivers/hwtracing/coresight/coresight-tpdm.c +++ b/drivers/hwtracing/coresight/coresight-tpdm.c @@ -137,6 +137,18 @@ static umode_t tpdm_dsb_is_visible(struct kobject *kobj, return 0; } +static umode_t tpdm_cmb_is_visible(struct kobject *kobj, + struct attribute *attr, int n) +{ + struct device *dev = kobj_to_dev(kobj); + struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent); + + if (drvdata && tpdm_has_cmb_dataset(drvdata)) + return attr->mode; + + return 0; +} + static umode_t tpdm_dsb_msr_is_visible(struct kobject *kobj, struct attribute *attr, int n) { @@ -161,6 +173,9 @@ static void tpdm_reset_datasets(struct tpdm_drvdata *drvdata) drvdata->dsb->trig_ts = true; drvdata->dsb->trig_type = false; } + + if (tpdm_has_cmb_dataset(drvdata)) + memset(drvdata->cmb, 0, sizeof(struct cmb_dataset)); } static void set_dsb_mode(struct tpdm_drvdata *drvdata, u32 *val) @@ -389,6 +404,12 @@ static int tpdm_datasets_setup(struct tpdm_drvdata *drvdata) if (!drvdata->dsb) return -ENOMEM; } + if (tpdm_has_cmb_dataset(drvdata) && (!drvdata->cmb)) { + drvdata->cmb = devm_kzalloc(drvdata->dev, + sizeof(*drvdata->cmb), GFP_KERNEL); + if (!drvdata->cmb) + return -ENOMEM; + } tpdm_reset_datasets(drvdata); return 0; @@ -727,6 +748,35 @@ static ssize_t dsb_trig_ts_store(struct device *dev, } static DEVICE_ATTR_RW(dsb_trig_ts); +static ssize_t cmb_mode_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent); + + return sysfs_emit(buf, "%x\n", + drvdata->cmb->trace_mode); + +} + +static ssize_t cmb_mode_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t size) +{ + struct tpdm_drvdata *drvdata = dev_get_drvdata(dev->parent); + unsigned long trace_mode; + + if ((kstrtoul(buf, 0, &trace_mode)) || (trace_mode & ~1UL)) + return -EINVAL; + + spin_lock(&drvdata->spinlock); + drvdata->cmb->trace_mode = trace_mode; + spin_unlock(&drvdata->spinlock); + return size; +} +static DEVICE_ATTR_RW(cmb_mode); + static struct attribute *tpdm_dsb_edge_attrs[] = { &dev_attr_ctrl_idx.attr, &dev_attr_ctrl_val.attr, @@ -843,6 +893,11 @@ static struct attribute *tpdm_dsb_attrs[] = { NULL, }; +static struct attribute *tpdm_cmb_attrs[] = { + &dev_attr_cmb_mode.attr, + NULL, +}; + static struct attribute_group tpdm_dsb_attr_grp = { .attrs = tpdm_dsb_attrs, .is_visible = tpdm_dsb_is_visible, @@ -872,6 +927,11 @@ static struct attribute_group tpdm_dsb_msr_grp = { .name = "dsb_msr", }; +static struct attribute_group tpdm_cmb_attr_grp = { + .attrs = tpdm_cmb_attrs, + .is_visible = tpdm_cmb_is_visible, +}; + static const struct attribute_group *tpdm_attr_grps[] = { &tpdm_attr_grp, &tpdm_dsb_attr_grp, @@ -879,6 +939,7 @@ static const struct attribute_group *tpdm_attr_grps[] = { &tpdm_dsb_trig_patt_grp, &tpdm_dsb_patt_grp, &tpdm_dsb_msr_grp, + &tpdm_cmb_attr_grp, NULL, }; diff --git a/drivers/hwtracing/coresight/coresight-tpdm.h b/drivers/hwtracing/coresight/coresight-tpdm.h index a442d9c6e4ac..2af92c270ed1 100644 --- a/drivers/hwtracing/coresight/coresight-tpdm.h +++ b/drivers/hwtracing/coresight/coresight-tpdm.h @@ -14,6 +14,8 @@ /* Enable bit for CMB subunit */ #define TPDM_CMB_CR_ENA BIT(0) +/* Trace collection mode for CMB subunit */ +#define TPDM_CMB_CR_MODE BIT(1) /* DSB Subunit Registers */ #define TPDM_DSB_CR (0x780) @@ -181,6 +183,14 @@ struct dsb_dataset { bool trig_type; }; +/** + * struct cmb_dataset + * @trace_mode: Dataset collection mode + */ +struct cmb_dataset { + u32 trace_mode; +}; + /** * struct tpdm_drvdata - specifics associated to an TPDM component * @base: memory mapped base address for this component. @@ -190,6 +200,7 @@ struct dsb_dataset { * @enable: enable status of the component. * @datasets: The datasets types present of the TPDM. * @dsb Specifics associated to TPDM DSB. + * @cmb Specifics associated to TPDM CMB. * @dsb_msr_num Number of MSR supported by DSB TPDM */ @@ -201,6 +212,7 @@ struct tpdm_drvdata { bool enable; unsigned long datasets; struct dsb_dataset *dsb; + struct cmb_dataset *cmb; u32 dsb_msr_num; };