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authorIvan Vecera <ivecera@redhat.com>2026-02-05 19:10:55 +0100
committerJakub Kicinski <kuba@kernel.org>2026-02-06 20:36:37 -0800
commit5d41f95f5d0bd9db02f3f16a649d0631f71e9fdb (patch)
tree3b61c65e5e57c45449628fa6a35cf27d4334202e /tools/perf/lib/Documentation/tutorial/git@git.tavy.me:linux.git
parent7237d23d2e58367852e05da3a522ee422f2aa7d4 (diff)
dpll: zl3073x: Fix output pin phase adjustment sign
The output pin phase adjustment functions incorrectly negate the phase compensation value. Per the ZL3073x datasheet, the output phase compensation register is simply a signed two's complement integer where: - Positive values move the phase later in time - Negative values move the phase earlier in time No negation is required. The erroneous negation caused phase adjustments to be applied in the wrong direction. Note that input pin phase adjustment correctly uses negation because the hardware has an inverted convention for input references (positive moves phase earlier, negative moves phase later). Fixes: 6287262f761e ("dpll: zl3073x: Add support to adjust phase") Signed-off-by: Ivan Vecera <ivecera@redhat.com> Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Link: https://patch.msgid.link/20260205181055.129768-1-ivecera@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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