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coresight: etm: Clean up device specific data

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Track the coresight device instead of the real device.

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Suzuki K Poulose 2019-06-19 11:29:16 -06:00 committed by Greg Kroah-Hartman
parent ec62db1b2f
commit aaff762328
5 changed files with 29 additions and 30 deletions
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6
drivers/hwtracing/coresight/coresight-etm.h
View File

@ -208,7 +208,6 @@ struct etm_config {
/** /**
* struct etm_drvdata - specifics associated to an ETM component * struct etm_drvdata - specifics associated to an ETM component
* @base: memory mapped base address for this component. * @base: memory mapped base address for this component.
* @dev: the device entity associated to this component.
* @atclk: optional clock for the core parts of the ETM. * @atclk: optional clock for the core parts of the ETM.
* @csdev: component vitals needed by the framework. * @csdev: component vitals needed by the framework.
* @spinlock: only one at a time pls. * @spinlock: only one at a time pls.
@ -232,7 +231,6 @@ struct etm_config {
*/ */
struct etm_drvdata { struct etm_drvdata {
void __iomem *base; void __iomem *base;
struct device *dev;
struct clk *atclk; struct clk *atclk;
struct coresight_device *csdev; struct coresight_device *csdev;
spinlock_t spinlock; spinlock_t spinlock;
@ -260,7 +258,7 @@ static inline void etm_writel(struct etm_drvdata *drvdata,
{ {
if (drvdata->use_cp14) { if (drvdata->use_cp14) {
if (etm_writel_cp14(off, val)) { if (etm_writel_cp14(off, val)) {
dev_err(drvdata->dev, dev_err(&drvdata->csdev->dev,
"invalid CP14 access to ETM reg: %#x", off); "invalid CP14 access to ETM reg: %#x", off);
} }
} else { } else {
@ -274,7 +272,7 @@ static inline unsigned int etm_readl(struct etm_drvdata *drvdata, u32 off)
if (drvdata->use_cp14) { if (drvdata->use_cp14) {
if (etm_readl_cp14(off, &val)) { if (etm_readl_cp14(off, &val)) {
dev_err(drvdata->dev, dev_err(&drvdata->csdev->dev,
"invalid CP14 access to ETM reg: %#x", off); "invalid CP14 access to ETM reg: %#x", off);
} }
} else { } else {

12
drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
View File

@ -48,7 +48,7 @@ static ssize_t etmsr_show(struct device *dev,
unsigned long flags, val; unsigned long flags, val;
struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent);
pm_runtime_get_sync(drvdata->dev); pm_runtime_get_sync(dev->parent);
spin_lock_irqsave(&drvdata->spinlock, flags); spin_lock_irqsave(&drvdata->spinlock, flags);
CS_UNLOCK(drvdata->base); CS_UNLOCK(drvdata->base);
@ -56,7 +56,7 @@ static ssize_t etmsr_show(struct device *dev,
CS_LOCK(drvdata->base); CS_LOCK(drvdata->base);
spin_unlock_irqrestore(&drvdata->spinlock, flags); spin_unlock_irqrestore(&drvdata->spinlock, flags);
pm_runtime_put(drvdata->dev); pm_runtime_put(dev->parent);
return sprintf(buf, "%#lx\n", val); return sprintf(buf, "%#lx\n", val);
} }
@ -131,7 +131,7 @@ static ssize_t mode_store(struct device *dev,
if (config->mode & ETM_MODE_STALL) { if (config->mode & ETM_MODE_STALL) {
if (!(drvdata->etmccr & ETMCCR_FIFOFULL)) { if (!(drvdata->etmccr & ETMCCR_FIFOFULL)) {
dev_warn(drvdata->dev, "stall mode not supported\n"); dev_warn(dev, "stall mode not supported\n");
ret = -EINVAL; ret = -EINVAL;
goto err_unlock; goto err_unlock;
} }
@ -141,7 +141,7 @@ static ssize_t mode_store(struct device *dev,
if (config->mode & ETM_MODE_TIMESTAMP) { if (config->mode & ETM_MODE_TIMESTAMP) {
if (!(drvdata->etmccer & ETMCCER_TIMESTAMP)) { if (!(drvdata->etmccer & ETMCCER_TIMESTAMP)) {
dev_warn(drvdata->dev, "timestamp not supported\n"); dev_warn(dev, "timestamp not supported\n");
ret = -EINVAL; ret = -EINVAL;
goto err_unlock; goto err_unlock;
} }
@ -945,7 +945,7 @@ static ssize_t seq_curr_state_show(struct device *dev,
goto out; goto out;
} }
pm_runtime_get_sync(drvdata->dev); pm_runtime_get_sync(dev->parent);
spin_lock_irqsave(&drvdata->spinlock, flags); spin_lock_irqsave(&drvdata->spinlock, flags);
CS_UNLOCK(drvdata->base); CS_UNLOCK(drvdata->base);
@ -953,7 +953,7 @@ static ssize_t seq_curr_state_show(struct device *dev,
CS_LOCK(drvdata->base); CS_LOCK(drvdata->base);
spin_unlock_irqrestore(&drvdata->spinlock, flags); spin_unlock_irqrestore(&drvdata->spinlock, flags);
pm_runtime_put(drvdata->dev); pm_runtime_put(dev->parent);
out: out:
return sprintf(buf, "%#lx\n", val); return sprintf(buf, "%#lx\n", val);
} }

22
drivers/hwtracing/coresight/coresight-etm3x.c
View File

@ -165,7 +165,7 @@ static void etm_set_prog(struct etm_drvdata *drvdata)
*/ */
isb(); isb();
if (coresight_timeout_etm(drvdata, ETMSR, ETMSR_PROG_BIT, 1)) { if (coresight_timeout_etm(drvdata, ETMSR, ETMSR_PROG_BIT, 1)) {
dev_err(drvdata->dev, dev_err(&drvdata->csdev->dev,
"%s: timeout observed when probing at offset %#x\n", "%s: timeout observed when probing at offset %#x\n",
__func__, ETMSR); __func__, ETMSR);
} }
@ -184,7 +184,7 @@ static void etm_clr_prog(struct etm_drvdata *drvdata)
*/ */
isb(); isb();
if (coresight_timeout_etm(drvdata, ETMSR, ETMSR_PROG_BIT, 0)) { if (coresight_timeout_etm(drvdata, ETMSR, ETMSR_PROG_BIT, 0)) {
dev_err(drvdata->dev, dev_err(&drvdata->csdev->dev,
"%s: timeout observed when probing at offset %#x\n", "%s: timeout observed when probing at offset %#x\n",
__func__, ETMSR); __func__, ETMSR);
} }
@ -425,7 +425,7 @@ static int etm_enable_hw(struct etm_drvdata *drvdata)
done: done:
CS_LOCK(drvdata->base); CS_LOCK(drvdata->base);
dev_dbg(drvdata->dev, "cpu: %d enable smp call done: %d\n", dev_dbg(&drvdata->csdev->dev, "cpu: %d enable smp call done: %d\n",
drvdata->cpu, rc); drvdata->cpu, rc);
return rc; return rc;
} }
@ -455,6 +455,7 @@ int etm_get_trace_id(struct etm_drvdata *drvdata)
{ {
unsigned long flags; unsigned long flags;
int trace_id = -1; int trace_id = -1;
struct device *etm_dev = drvdata->csdev->dev.parent;
if (!drvdata) if (!drvdata)
goto out; goto out;
@ -462,7 +463,7 @@ int etm_get_trace_id(struct etm_drvdata *drvdata)
if (!local_read(&drvdata->mode)) if (!local_read(&drvdata->mode))
return drvdata->traceid; return drvdata->traceid;
pm_runtime_get_sync(drvdata->dev); pm_runtime_get_sync(etm_dev);
spin_lock_irqsave(&drvdata->spinlock, flags); spin_lock_irqsave(&drvdata->spinlock, flags);
@ -471,7 +472,7 @@ int etm_get_trace_id(struct etm_drvdata *drvdata)
CS_LOCK(drvdata->base); CS_LOCK(drvdata->base);
spin_unlock_irqrestore(&drvdata->spinlock, flags); spin_unlock_irqrestore(&drvdata->spinlock, flags);
pm_runtime_put(drvdata->dev); pm_runtime_put(etm_dev);
out: out:
return trace_id; return trace_id;
@ -526,7 +527,7 @@ static int etm_enable_sysfs(struct coresight_device *csdev)
spin_unlock(&drvdata->spinlock); spin_unlock(&drvdata->spinlock);
if (!ret) if (!ret)
dev_dbg(drvdata->dev, "ETM tracing enabled\n"); dev_dbg(&csdev->dev, "ETM tracing enabled\n");
return ret; return ret;
} }
@ -581,7 +582,8 @@ static void etm_disable_hw(void *info)
CS_LOCK(drvdata->base); CS_LOCK(drvdata->base);
dev_dbg(drvdata->dev, "cpu: %d disable smp call done\n", drvdata->cpu); dev_dbg(&drvdata->csdev->dev,
"cpu: %d disable smp call done\n", drvdata->cpu);
} }
static void etm_disable_perf(struct coresight_device *csdev) static void etm_disable_perf(struct coresight_device *csdev)
@ -628,7 +630,7 @@ static void etm_disable_sysfs(struct coresight_device *csdev)
spin_unlock(&drvdata->spinlock); spin_unlock(&drvdata->spinlock);
cpus_read_unlock(); cpus_read_unlock();
dev_dbg(drvdata->dev, "ETM tracing disabled\n"); dev_dbg(&csdev->dev, "ETM tracing disabled\n");
} }
static void etm_disable(struct coresight_device *csdev, static void etm_disable(struct coresight_device *csdev,
@ -803,7 +805,6 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id)
drvdata->use_cp14 = of_property_read_bool(np, "arm,cp14"); drvdata->use_cp14 = of_property_read_bool(np, "arm,cp14");
} }
drvdata->dev = &adev->dev;
dev_set_drvdata(dev, drvdata); dev_set_drvdata(dev, drvdata);
/* Validity for the resource is already checked by the AMBA core */ /* Validity for the resource is already checked by the AMBA core */
@ -871,7 +872,8 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id)
} }
pm_runtime_put(&adev->dev); pm_runtime_put(&adev->dev);
dev_info(dev, "%s initialized\n", (char *)coresight_get_uci_data(id)); dev_info(&drvdata->csdev->dev,
"%s initialized\n", (char *)coresight_get_uci_data(id));
if (boot_enable) { if (boot_enable) {
coresight_enable(drvdata->csdev); coresight_enable(drvdata->csdev);
drvdata->boot_enable = true; drvdata->boot_enable = true;

17
drivers/hwtracing/coresight/coresight-etm4x.c
View File

@ -88,6 +88,7 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata)
{ {
int i, rc; int i, rc;
struct etmv4_config *config = &drvdata->config; struct etmv4_config *config = &drvdata->config;
struct device *etm_dev = &drvdata->csdev->dev;
CS_UNLOCK(drvdata->base); CS_UNLOCK(drvdata->base);
@ -102,7 +103,7 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata)
/* wait for TRCSTATR.IDLE to go up */ /* wait for TRCSTATR.IDLE to go up */
if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 1)) if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 1))
dev_err(drvdata->dev, dev_err(etm_dev,
"timeout while waiting for Idle Trace Status\n"); "timeout while waiting for Idle Trace Status\n");
writel_relaxed(config->pe_sel, drvdata->base + TRCPROCSELR); writel_relaxed(config->pe_sel, drvdata->base + TRCPROCSELR);
@ -184,13 +185,13 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata)
/* wait for TRCSTATR.IDLE to go back down to '0' */ /* wait for TRCSTATR.IDLE to go back down to '0' */
if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 0)) if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 0))
dev_err(drvdata->dev, dev_err(etm_dev,
"timeout while waiting for Idle Trace Status\n"); "timeout while waiting for Idle Trace Status\n");
done: done:
CS_LOCK(drvdata->base); CS_LOCK(drvdata->base);
dev_dbg(drvdata->dev, "cpu: %d enable smp call done: %d\n", dev_dbg(etm_dev, "cpu: %d enable smp call done: %d\n",
drvdata->cpu, rc); drvdata->cpu, rc);
return rc; return rc;
} }
@ -400,7 +401,7 @@ static int etm4_enable_sysfs(struct coresight_device *csdev)
spin_unlock(&drvdata->spinlock); spin_unlock(&drvdata->spinlock);
if (!ret) if (!ret)
dev_dbg(drvdata->dev, "ETM tracing enabled\n"); dev_dbg(&csdev->dev, "ETM tracing enabled\n");
return ret; return ret;
} }
@ -461,7 +462,8 @@ static void etm4_disable_hw(void *info)
CS_LOCK(drvdata->base); CS_LOCK(drvdata->base);
dev_dbg(drvdata->dev, "cpu: %d disable smp call done\n", drvdata->cpu); dev_dbg(&drvdata->csdev->dev,
"cpu: %d disable smp call done\n", drvdata->cpu);
} }
static int etm4_disable_perf(struct coresight_device *csdev, static int etm4_disable_perf(struct coresight_device *csdev,
@ -511,7 +513,7 @@ static void etm4_disable_sysfs(struct coresight_device *csdev)
spin_unlock(&drvdata->spinlock); spin_unlock(&drvdata->spinlock);
cpus_read_unlock(); cpus_read_unlock();
dev_dbg(drvdata->dev, "ETM tracing disabled\n"); dev_dbg(&csdev->dev, "ETM tracing disabled\n");
} }
static void etm4_disable(struct coresight_device *csdev, static void etm4_disable(struct coresight_device *csdev,
@ -1095,7 +1097,6 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
adev->dev.platform_data = pdata; adev->dev.platform_data = pdata;
} }
drvdata->dev = &adev->dev;
dev_set_drvdata(dev, drvdata); dev_set_drvdata(dev, drvdata);
/* Validity for the resource is already checked by the AMBA core */ /* Validity for the resource is already checked by the AMBA core */
@ -1157,7 +1158,7 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
} }
pm_runtime_put(&adev->dev); pm_runtime_put(&adev->dev);
dev_info(dev, "CPU%d: ETM v%d.%d initialized\n", dev_info(&drvdata->csdev->dev, "CPU%d: ETM v%d.%d initialized\n",
drvdata->cpu, drvdata->arch >> 4, drvdata->arch & 0xf); drvdata->cpu, drvdata->arch >> 4, drvdata->arch & 0xf);
if (boot_enable) { if (boot_enable) {

2
drivers/hwtracing/coresight/coresight-etm4x.h
View File

@ -284,7 +284,6 @@ struct etmv4_config {
/** /**
* struct etm4_drvdata - specifics associated to an ETM component * struct etm4_drvdata - specifics associated to an ETM component
* @base: Memory mapped base address for this component. * @base: Memory mapped base address for this component.
* @dev: The device entity associated to this component.
* @csdev: Component vitals needed by the framework. * @csdev: Component vitals needed by the framework.
* @spinlock: Only one at a time pls. * @spinlock: Only one at a time pls.
* @mode: This tracer's mode, i.e sysFS, Perf or disabled. * @mode: This tracer's mode, i.e sysFS, Perf or disabled.
@ -340,7 +339,6 @@ struct etmv4_config {
*/ */
struct etmv4_drvdata { struct etmv4_drvdata {
void __iomem *base; void __iomem *base;
struct device *dev;
struct coresight_device *csdev; struct coresight_device *csdev;
spinlock_t spinlock; spinlock_t spinlock;
local_t mode; local_t mode;