diff options
Diffstat (limited to 'target/linux/mvebu/patches-4.14/421-rtc-initialize.patch')
| -rw-r--r-- | target/linux/mvebu/patches-4.14/421-rtc-initialize.patch | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/target/linux/mvebu/patches-4.14/421-rtc-initialize.patch b/target/linux/mvebu/patches-4.14/421-rtc-initialize.patch index 47a5acc70d..5c21c67d6e 100644 --- a/target/linux/mvebu/patches-4.14/421-rtc-initialize.patch +++ b/target/linux/mvebu/patches-4.14/421-rtc-initialize.patch @@ -54,21 +54,20 @@ bootloader hacks that write special register values. }; static const struct armada38x_rtc_data armada8k_data = { -@@ -558,6 +580,17 @@ static __init int armada38x_rtc_probe(st +@@ -558,6 +580,16 @@ static __init int armada38x_rtc_probe(st + if (ret) dev_err(&pdev->dev, "Failed to register RTC device: %d\n", ret); - return ret; - } -+ + + /* + * Try to detect if RTC is in uninitialized state. + * It is not definitive to know if the RTC is in an uninialized state or not, + * but the following call will read some bits in the RTC unit and guess if + * if it's in that state, and accordingly set it to sane default values. + */ -+ if (rtc->data->init_rtc) { ++ else if (rtc->data->init_rtc) { + rtc->data->init_rtc(rtc); + } + - return 0; + return ret; } |