diff options
| author | Lokesh Vutla <[email protected]> | 2019-10-01 10:41:01 +0530 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2019-10-11 13:32:40 -0400 |
| commit | 5c6e497eaaf2c76344f82e823c2a0aad3cc26167 (patch) | |
| tree | e8ff78640a9b892bd1026d4b1bead169f8c95fed | |
| parent | 60e3d43a26d0334dd09521220e0312d50679b1c7 (diff) | |
arm: dra7xx: Hang on any failure during IOdelay recalibration
If there is any failure during IOdelay recalibration sequence, IOs are
not guaranteed to behave as expected. So hang on any failure during the
sequence.
Signed-off-by: Lokesh Vutla <[email protected]>
| -rw-r--r-- | arch/arm/mach-omap2/omap5/dra7xx_iodelay.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap5/dra7xx_iodelay.c b/arch/arm/mach-omap2/omap5/dra7xx_iodelay.c index 9bd7051786e..9eda57c450d 100644 --- a/arch/arm/mach-omap2/omap5/dra7xx_iodelay.c +++ b/arch/arm/mach-omap2/omap5/dra7xx_iodelay.c @@ -241,6 +241,12 @@ void __recalibrate_iodelay_end(int ret) debug("IODELAY: IO delay recalibration successfully completed\n"); } + /* If there is an error during iodelay recalibration, SoC is in a bad + * state. Do not progress any further. + */ + if (ret) + hang(); + return; } |