From: eric.long@linaro.org (Eric Long)
To: linux-arm-kernel@lists.infradead.org
Subject: [RESEND PATCH 1/2] coresight: tmc/etm4x: Remove the mistakes detected by sparse tool
Date: Wed, 20 Jan 2016 14:39:12 +0800 [thread overview]
Message-ID: <f1edbe1023c54deaadf1ba944f606ab7b98f1de4.1453271739.git.eric.long@linaro.org> (raw)
In-Reply-To: <cover.1453271738.git.eric.long@linaro.org>
The dma_alloc_coherent return an "void *" not an "void __iomen *".
It uses the wrong parameters when calls dma_free coherent function,
and "DEVICE_ATTR_RO" should be defined as static.
The sparse tool output logs as the following:
coresight-etm4x.c:2224:1: warning: symbol 'dev_attr_trcoslsr' was
not declared. Should it be static?
coresight-etm4x.c:2225:1: warning: symbol 'dev_attr_trcpdcr' was
not declared. Should it be static?
coresight-etm4x.c:2226:1: warning: symbol 'dev_attr_trcpdsr' was
not declared. Should it be static?
coresight-tmc.c:199:23: warning: incorrect type in argument 1
(different address spaces)
coresight-tmc.c:199:23: expected void *<noident>
coresight-tmc.c:199:23: got void [noderef] <asn:2>*vaddr
coresight-tmc.c:336:30: warning: incorrect type in assignment
(different address spaces)
coresight-tmc.c:336:30: expected char *buf
coresight-tmc.c:336:30: got void [noderef] <asn:2>*
coresight-tmc.c:769:50: warning: incorrect type in argument 4
(different base types)
coresight-tmc.c:769:50: expected unsigned long long
[unsigned] [usertype] dma_handle
coresight-tmc.c:769:50: got restricted gfp_t
Signed-off-by: Eric Long <eric.long@linaro.org>
---
drivers/hwtracing/coresight/coresight-etm4x.c | 2 +-
drivers/hwtracing/coresight/coresight-tmc.c | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c
index a670764..1ec6798 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x.c
@@ -2219,7 +2219,7 @@ static ssize_t name##_show(struct device *_dev, \
return scnprintf(buf, PAGE_SIZE, "0x%x\n", \
readl_relaxed(drvdata->base + offset)); \
} \
-DEVICE_ATTR_RO(name)
+static DEVICE_ATTR_RO(name)
coresight_simple_func(trcoslsr, TRCOSLSR);
coresight_simple_func(trcpdcr, TRCPDCR);
diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c
index a57c7ec..5b052d1 100644
--- a/drivers/hwtracing/coresight/coresight-tmc.c
+++ b/drivers/hwtracing/coresight/coresight-tmc.c
@@ -124,7 +124,7 @@ struct tmc_drvdata {
bool reading;
char *buf;
dma_addr_t paddr;
- void __iomem *vaddr;
+ void *vaddr;
u32 size;
bool enable;
enum tmc_config_type config_type;
@@ -766,7 +766,7 @@ err_misc_register:
err_devm_kzalloc:
if (drvdata->config_type == TMC_CONFIG_TYPE_ETR)
dma_free_coherent(dev, drvdata->size,
- &drvdata->paddr, GFP_KERNEL);
+ drvdata->vaddr, drvdata->paddr);
return ret;
}
@@ -778,7 +778,7 @@ static int tmc_remove(struct amba_device *adev)
coresight_unregister(drvdata->csdev);
if (drvdata->config_type == TMC_CONFIG_TYPE_ETR)
dma_free_coherent(drvdata->dev, drvdata->size,
- &drvdata->paddr, GFP_KERNEL);
+ drvdata->vaddr, drvdata->paddr);
return 0;
}
--
1.7.9.5
next prev parent reply other threads:[~2016-01-20 6:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-20 6:39 [RESEND PATCH 0/2] Remove the mistakes detected by the check tools Eric Long
2016-01-20 6:39 ` Eric Long [this message]
2016-01-20 6:39 ` [RESEND PATCH 2/2] coresight: Remove the mistakes detected by smatch tool Eric Long
2016-01-21 16:56 ` [RESEND PATCH 0/2] Remove the mistakes detected by the check tools Mathieu Poirier
2016-01-22 9:15 ` Eric Long
2016-01-22 17:29 ` Mathieu Poirier
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