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coresight: stm: Remove set but not used variable 'res_size'

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Fixes gcc '-Wunused-but-set-variable' warning:

drivers/hwtracing/coresight/coresight-stm.c: In function 'stm_probe':
drivers/hwtracing/coresight/coresight-stm.c:796:9: warning:
 variable 'res_size' set but not used [-Wunused-but-set-variable]

It never used since introduction in commit 237483aa5c ("coresight: stm:
adding driver for CoreSight STM component")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Tested-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
YueHaibing 2019-02-05 16:24:54 -07:00 committed by Greg Kroah-Hartman
parent a0f890aba2
commit a7325a6ca4
1 changed files with 4 additions and 8 deletions
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12
drivers/hwtracing/coresight/coresight-stm.c
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@ -793,7 +793,7 @@ static int stm_probe(struct amba_device *adev, const struct amba_id *id)
struct stm_drvdata *drvdata;
struct resource *res = &adev->res;
struct resource ch_res;
size_t res_size, bitmap_size;
size_t bitmap_size;
struct coresight_desc desc = { 0 };
struct device_node *np = adev->dev.of_node;
@ -833,15 +833,11 @@ static int stm_probe(struct amba_device *adev, const struct amba_id *id)
drvdata->write_bytes = stm_fundamental_data_size(drvdata);
if (boot_nr_channel) {
if (boot_nr_channel)
drvdata->numsp = boot_nr_channel;
res_size = min((resource_size_t)(boot_nr_channel *
BYTES_PER_CHANNEL), resource_size(res));
} else {
else
drvdata->numsp = stm_num_stimulus_port(drvdata);
res_size = min((resource_size_t)(drvdata->numsp *
BYTES_PER_CHANNEL), resource_size(res));
}
bitmap_size = BITS_TO_LONGS(drvdata->numsp) * sizeof(long);
guaranteed = devm_kzalloc(dev, bitmap_size, GFP_KERNEL);