diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2014-08-01 11:27:15 +0300 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2014-08-02 16:52:17 -0700 |
| commit | 4c51cb005b29e6329d7e598bf835689b230817c9 (patch) | |
| tree | b337f62cd0df5d9ccff8c64e2b2d0da1c44c5622 | |
| parent | f855911c1f481734191615a7438a396f52a915dc (diff) | |
x86/pmc_atom: Silence shift wrapping warnings in pmc_sleep_tmr_show()
I don't know if we really need 64 bits here but these variables are
declared as u64 and it can't hurt to cast this so we prevent any shift
wrapping.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Aubrey Li <aubrey.li@linux.intel.com>
Link: http://lkml.kernel.org/r/20140801082715.GE28869@mwanda
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| -rw-r--r-- | arch/x86/kernel/pmc_atom.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/kernel/pmc_atom.c b/arch/x86/kernel/pmc_atom.c index 0d92ef6b5860..0c424a67985d 100644 --- a/arch/x86/kernel/pmc_atom.c +++ b/arch/x86/kernel/pmc_atom.c @@ -174,11 +174,11 @@ static int pmc_sleep_tmr_show(struct seq_file *s, void *unused) struct pmc_dev *pmc = s->private; u64 s0ir_tmr, s0i1_tmr, s0i2_tmr, s0i3_tmr, s0_tmr; - s0ir_tmr = pmc_reg_read(pmc, PMC_S0IR_TMR) << PMC_TMR_SHIFT; - s0i1_tmr = pmc_reg_read(pmc, PMC_S0I1_TMR) << PMC_TMR_SHIFT; - s0i2_tmr = pmc_reg_read(pmc, PMC_S0I2_TMR) << PMC_TMR_SHIFT; - s0i3_tmr = pmc_reg_read(pmc, PMC_S0I3_TMR) << PMC_TMR_SHIFT; - s0_tmr = pmc_reg_read(pmc, PMC_S0_TMR) << PMC_TMR_SHIFT; + s0ir_tmr = (u64)pmc_reg_read(pmc, PMC_S0IR_TMR) << PMC_TMR_SHIFT; + s0i1_tmr = (u64)pmc_reg_read(pmc, PMC_S0I1_TMR) << PMC_TMR_SHIFT; + s0i2_tmr = (u64)pmc_reg_read(pmc, PMC_S0I2_TMR) << PMC_TMR_SHIFT; + s0i3_tmr = (u64)pmc_reg_read(pmc, PMC_S0I3_TMR) << PMC_TMR_SHIFT; + s0_tmr = (u64)pmc_reg_read(pmc, PMC_S0_TMR) << PMC_TMR_SHIFT; seq_printf(s, "S0IR Residency:\t%lldus\n", s0ir_tmr); seq_printf(s, "S0I1 Residency:\t%lldus\n", s0i1_tmr); |