diff options
Diffstat (limited to 'drivers/mfd/db5500-prcmu.c')
| -rw-r--r-- | drivers/mfd/db5500-prcmu.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mfd/db5500-prcmu.c b/drivers/mfd/db5500-prcmu.c index 8594f5d528c..aee5ac397f9 100644 --- a/drivers/mfd/db5500-prcmu.c +++ b/drivers/mfd/db5500-prcmu.c @@ -1445,6 +1445,7 @@ int prcmu_resetout(u8 resoutn, u8 state) int db5500_prcmu_enable_dsipll(void) { int i; + int ret = 0; /* Enable DSIPLL_RESETN resets */ writel(PRCMU_RESET_DSIPLL, _PRCMU_BASE + PRCM_APE_RESETN_CLR); @@ -1467,9 +1468,14 @@ int db5500_prcmu_enable_dsipll(void) break; udelay(100); } + + if ((readl(_PRCMU_BASE + PRCM_PLLDSI_LOCKP) & + PRCMU_PLLDSI_LOCKP_LOCKED) + != PRCMU_PLLDSI_LOCKP_LOCKED) + ret = -EIO; /* Release DSIPLL_RESETN */ writel(PRCMU_RESET_DSIPLL, _PRCMU_BASE + PRCM_APE_RESETN_SET); - return 0; + return ret; } int db5500_prcmu_disable_dsipll(void) |