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linux/drivers
Cosmin Tanislav 8878249320 spi: rzv2h-rspi: avoid recomputing transfer frequency
Renesas RZ/T2H (R9A09G077) and RZ/N2H (R9A09G087) SoCs have a more
complicated algorithm for calculating the optimal SPI transfer frequency
compared to RZ/V2H, as the clock from which the SPI frequency is
generated supports multiple dividers.

Cache the requested transfer frequency and skip calling
rzv2h_rspi_setup_clock() if it matches the last used one to prepare for
adding support for variable clock frequency handling.

Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Link: https://patch.msgid.link/20251119161434.595677-6-cosmin-gabriel.tanislav.xa@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-11-24 14:10:42 +00:00
..
2025-10-01 00:00:45 +00:00
2025-09-29 00:17:22 +02:00
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