net: sparx5: change frequency calculation for SDLB's

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In preparation for lan969x, rework the function that calculates the SDLB
(Service Dual Leacky Bucket) clock. This is required, as the
HSCH_SYS_CLK_PER register is Sparx5-exclusive. Instead derive the clock
from the core clock, using the sparx5_clk_period() function. The clock
stays the same before and after this patch, only now,
sparx5_sdlb_clk_hz_get() can be used for lan969x too.

Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://patch.msgid.link/20241024-sparx5-lan969x-switch-driver-2-v2-3-a0b5fae88a0f@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Daniel Machon 2024-10-24 00:01:22 +02:00 • committed by Jakub Kicinski

parent 9324881cef

commit 728267dc46

2 changed files with 4 additions and 8 deletions

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2

drivers/net/ethernet/microchip/sparx5/sparx5_main.h

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10

drivers/net/ethernet/microchip/sparx5/sparx5_sdlb.c

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