diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-at91/pm_suspend.S | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S index a7c6ae13c945..bfe1c4d06901 100644 --- a/arch/arm/mach-at91/pm_suspend.S +++ b/arch/arm/mach-at91/pm_suspend.S @@ -149,6 +149,14 @@ exit_suspend: ENDPROC(at91_pm_suspend_in_sram) ENTRY(at91_backup_mode) + /* Switch the master clock source to slow clock. */ + ldr pmc, .pmc_base + ldr tmp1, [pmc, #AT91_PMC_MCKR] + bic tmp1, tmp1, #AT91_PMC_CSS + str tmp1, [pmc, #AT91_PMC_MCKR] + + wait_mckrdy + /*BUMEN*/ ldr r0, .sfr mov tmp1, #0x1 |