diff options
author | Lokesh Vutla <lokeshvutla@ti.com> | 2019-10-01 10:41:01 +0530 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2019-10-11 13:32:40 -0400 |
commit | 5c6e497eaaf2c76344f82e823c2a0aad3cc26167 (patch) | |
tree | e8ff78640a9b892bd1026d4b1bead169f8c95fed /arch/arm/mach-omap2/omap5/dra7xx_iodelay.c | |
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 <lokeshvutla@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/omap5/dra7xx_iodelay.c')
-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 9bd7051786..9eda57c450 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; } |