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| author |   Chris Metcalf <cmetcalf@tilera.com> | 2010-08-13 19:59:15 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-13 19:59:15 -0400 |
| commit | 7d72e6fa56c4100b9669efe0044f77ed9eb785a1 (patch) | |
| tree | 5e90bf4969809a1ab20b97432b85be20ccfaa1f4 /arch/arm/kernel/etm.c | |
| parent | arch/tile: extend syscall ABI to set r1 on return as well. (diff) | |
| parent | Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 (diff) | |
| download | linux-dev-7d72e6fa56c4100b9669efe0044f77ed9eb785a1.tar.xz linux-dev-7d72e6fa56c4100b9669efe0044f77ed9eb785a1.zip | |
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/arm/kernel/etm.c')
| -rw-r--r-- | arch/arm/kernel/etm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/kernel/etm.c b/arch/arm/kernel/etm.c index 827753966301..56418f98cd01 100644 --- a/arch/arm/kernel/etm.c +++ b/arch/arm/kernel/etm.c @@ -543,7 +543,9 @@ static int __init etm_probe(struct amba_device *dev, struct amba_id *id) t->etm_portsz = 1; etm_unlock(t); - ret = etm_readl(t, CSCR_PRSR); + (void)etm_readl(t, ETMMR_PDSR); + /* dummy first read */ + (void)etm_readl(&tracer, ETMMR_OSSRR); t->ncmppairs = etm_readl(t, ETMR_CONFCODE) & 0xf; etm_writel(t, 0x440, ETMR_CTRL); |