aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorYueHaibing <yuehaibing@huawei.com>2018-12-01 08:39:45 +0000
committerMathieu Poirier <mathieu.poirier@linaro.org>2019-01-07 09:20:12 -0700
commit401533a9a299e263951fcead231a153c36a5b503 (patch)
treed3d5ef8e788ff47d570c4f9d967317cebcd4d5e0
parent14420b405d03cd160b5ace283693ce5b1cf273fa (diff)
downloadcoresight-401533a9a299e263951fcead231a153c36a5b503.tar.gz
coresight: stm: Remove set but not used variable 'res_size'
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 237483aa5cf4 ("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>
-rw-r--r--drivers/hwtracing/coresight/coresight-stm.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index ef339ff22090..f07825df5c7a 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -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);