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authorAndi Kleen <andi@firstfloor.org>2010-07-21 00:18:36 +0200
committerLen Brown <len.brown@intel.com>2010-08-15 06:53:08 +0200
commitcfa806f059801dbe7e435745eb2e187c8bfe1e7f (patch)
tree9c99026f29b863ca0541699e45349b8fa40ea93a /drivers/acpi/processor_idle.c
parentACPI thermal: make procfs I/F depend on CONFIG_ACPI_PROCFS (diff)
downloadlinux-cfa806f059801dbe7e435745eb2e187c8bfe1e7f.tar.xz
linux-cfa806f059801dbe7e435745eb2e187c8bfe1e7f.zip
gcc-4.6: ACPI: fix unused but set variables in ACPI
Some minor improvements in error handling, but overall it was mostly dead code. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r--drivers/acpi/processor_idle.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 5cbc0cb73e2c..07bc74d8356e 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -722,13 +722,12 @@ static inline void acpi_idle_do_entry(struct acpi_processor_cx *cx)
} else if (cx->entry_method == ACPI_CSTATE_HALT) {
acpi_safe_halt();
} else {
- int unused;
/* IO port based C-state */
inb(cx->address);
/* Dummy wait op - must do something useless after P_LVL2 read
because chipsets cannot guarantee that STPCLK# signal
gets asserted in time to freeze execution properly. */
- unused = inl(acpi_gbl_FADT.xpm_timer_block.address);
+ inl(acpi_gbl_FADT.xpm_timer_block.address);
}
start_critical_timings();
}