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perf: simplify getting .drvdata 

We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Wolfram Sang 2018-04-19 16:06:07 +02:00 committed by Will Deacon
parent 75bc37fefc
commit d0f2e42329
1 changed files with 2 additions and 4 deletions
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6
drivers/perf/arm_spe_pmu.c
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@ -131,8 +131,7 @@ static ssize_t arm_spe_pmu_cap_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct platform_device *pdev = to_platform_device(dev);
struct arm_spe_pmu *spe_pmu = platform_get_drvdata(pdev);
struct arm_spe_pmu *spe_pmu = dev_get_drvdata(dev);
struct dev_ext_attribute *ea =
container_of(attr, struct dev_ext_attribute, attr);
int cap = (long)ea->var;
@ -247,8 +246,7 @@ static ssize_t arm_spe_pmu_get_attr_cpumask(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct platform_device *pdev = to_platform_device(dev);
struct arm_spe_pmu *spe_pmu = platform_get_drvdata(pdev);
struct arm_spe_pmu *spe_pmu = dev_get_drvdata(dev);
return cpumap_print_to_pagebuf(true, buf, &spe_pmu->supported_cpus);
}