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net: dsa: ks8995: Add proper RESET delay
authorLinus Walleij <linus.walleij@linaro.org>
Wed, 13 Aug 2025 21:43:04 +0000 (23:43 +0200)
committerJakub Kicinski <kuba@kernel.org>
Tue, 19 Aug 2025 00:26:09 +0000 (17:26 -0700)
commitccf29cb84972f97c98ac31f7d6fb1680dc5d3816
tree65e35acbe75158d0dd930c9a78864ed6c078f977tree | snapshot
parent60cbe71fdba16d39de24bd71e1638810da5ae7eecommit | diff
net: dsa: ks8995: Add proper RESET delay

According to the datasheet we need to wait 100us before accessing
any registers in the KS8995 after a reset de-assertion.

Add this delay, if and only if we obtained a GPIO descriptor,
otherwise it is just a pointless delay.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250813-ks8995-to-dsa-v1-2-75c359ede3a5@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/dsa/ks8995.c diff | blob | blame | history
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