diff options
| -rw-r--r-- | drivers/usb/chipidea/core.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 5d8981c5235e..50754073fae0 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -208,7 +208,8 @@ static int hw_device_init(struct ci_hdrc *ci, void __iomem *base) reg = hw_read(ci, CAP_HCCPARAMS, HCCPARAMS_LEN) >> __ffs(HCCPARAMS_LEN); ci->hw_bank.lpm = reg; - hw_alloc_regmap(ci, !!reg); + if (reg) + hw_alloc_regmap(ci, !!reg); ci->hw_bank.size = ci->hw_bank.op - ci->hw_bank.abs; ci->hw_bank.size += OP_LAST; ci->hw_bank.size /= sizeof(u32); |