Commit 82911fe1988fadfc9c01673202cbc411aa803244
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c41b93fb85
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ACPI / PM: acpi_suspend_enter() need not switch interrupts off
The function acpi_suspend_enter() is always called with interrupts off, so it doesn't need to switch them off and on. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Showing 1 changed file with 0 additions and 3 deletions Side-by-side Diff
drivers/acpi/sleep.c
| ... | ... | @@ -243,7 +243,6 @@ |
| 243 | 243 | static int acpi_suspend_enter(suspend_state_t pm_state) |
| 244 | 244 | { |
| 245 | 245 | acpi_status status = AE_OK; |
| 246 | - unsigned long flags = 0; | |
| 247 | 246 | u32 acpi_state = acpi_target_sleep_state; |
| 248 | 247 | |
| 249 | 248 | ACPI_FLUSH_CPU_CACHE(); |
| ... | ... | @@ -256,7 +255,6 @@ |
| 256 | 255 | return error; |
| 257 | 256 | } |
| 258 | 257 | |
| 259 | - local_irq_save(flags); | |
| 260 | 258 | switch (acpi_state) { |
| 261 | 259 | case ACPI_STATE_S1: |
| 262 | 260 | barrier(); |
| ... | ... | @@ -290,7 +288,6 @@ |
| 290 | 288 | /* Allow EC transactions to happen. */ |
| 291 | 289 | acpi_ec_unblock_transactions_early(); |
| 292 | 290 | |
| 293 | - local_irq_restore(flags); | |
| 294 | 291 | printk(KERN_DEBUG "Back to C!\n"); |
| 295 | 292 | |
| 296 | 293 | suspend_nvs_restore(); |