arm_tpiu_swo: fix autodetection of SWO pin frequency 10/6310/3
authorAntonio Borneo <borneo.antonio@gmail.com>
Wed, 9 Jun 2021 09:27:57 +0000 (11:27 +0200)
committerAntonio Borneo <borneo.antonio@gmail.com>
Sat, 26 Mar 2022 13:23:40 +0000 (13:23 +0000)
commit00d4699d0b559a0bb3e739a78f3ce1c5731f8dea
tree650c249fbcc4bf49500f596e4d828d2fbe7b8cae
parent1b716b9d0d42409f5ee8855f084720ff579a7737
arm_tpiu_swo: fix autodetection of SWO pin frequency

While the documentation reports that SWO pin frequency can be
omitted to let the adapter autodetect the value, the code wrongly
drops an error when pin frequency is not specified.

Don't require the pin frequency to be set at "enable", but verify
that the adapter has properly changes it to a valid value.

Change-Id: I3dfbe3256e8887ef4f03512769b06381cdc9db0d
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reported-by: Karl Palsson <karlp@tweak.net.au>
Fixes: 184724d14e12 ("arm_tpiu_swo: add support for independent TPIU and SWO")
Reviewed-on: https://review.openocd.org/c/openocd/+/6310
Tested-by: jenkins
Reviewed-by: zapb <dev@zapb.de>
src/target/arm_tpiu_swo.c

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