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drivers: clk: agilex: Use FIELD_GET during EMAC clock selection

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FIELD_GET() macro is used during EMAC clock source selection
for better code readability and maintainability.

Signed-off-by: Naresh Kumar Ravulapalli <nareshkumar.ravulapalli@altera.com>
Reviewed-by: Tien Fong Chee <tien.fong.chee@altera.com>
This commit is contained in:
Naresh Kumar Ravulapalli
2025-09-10 22:21:12 -07:00
committed by Tien Fong Chee
parent 924a9fc402
commit 2ff686bcfd
1 changed files with 4 additions and 6 deletions
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10
drivers/clk/altera/clk-agilex.c
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@@ -14,6 +14,7 @@
#include <dm/lists.h>
#include <dm/util.h>
#include <dt-bindings/clock/agilex-clock.h>
#include <linux/bitfield.h>
#include <linux/bitops.h>
#include <asm/arch/clock_manager.h>
@@ -546,14 +547,11 @@ static u32 clk_get_emac_clk_hz(struct socfpga_clk_plat *plat, u32 emac_id)
/* Get EMAC clock source */
ctl = CM_REG_READL(plat, CLKMGR_PERPLL_EMACCTL);
if (emac_id == AGILEX_EMAC0_CLK)
ctl = (ctl & CLKMGR_PERPLLGRP_EMACCTL_EMAC0SELB_MASK) >>
CLKMGR_PERPLLGRP_EMACCTL_EMAC0SELB_OFFSET;
ctl = FIELD_GET(CLKMGR_PERPLLGRP_EMACCTL_EMAC0SELB_MASK, ctl);
else if (emac_id == AGILEX_EMAC1_CLK)
ctl = (ctl & CLKMGR_PERPLLGRP_EMACCTL_EMAC1SELB_MASK) >>
CLKMGR_PERPLLGRP_EMACCTL_EMAC1SELB_OFFSET;
ctl = FIELD_GET(CLKMGR_PERPLLGRP_EMACCTL_EMAC1SELB_MASK, ctl);
else if (emac_id == AGILEX_EMAC2_CLK)
ctl = (ctl & CLKMGR_PERPLLGRP_EMACCTL_EMAC2SELB_MASK) >>
CLKMGR_PERPLLGRP_EMACCTL_EMAC2SELB_OFFSET;
ctl = FIELD_GET(CLKMGR_PERPLLGRP_EMACCTL_EMAC2SELB_MASK, ctl);
else
return 0;