linux-kernel - [PATCH 5.15 352/530] clk: baikal-t1: Fix invalid xGMAC PTP clock divider

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Message-Id: <20221024113100.950806998@linuxfoundation.org>
Date:   Mon, 24 Oct 2022 13:31:36 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Stephen Boyd <sboyd@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 352/530] clk: baikal-t1: Fix invalid xGMAC PTP clock divider

From: Serge Semin <Sergey.Semin@...kalelectronics.ru>

[ Upstream commit 3c742088686ce922704aec5b11d09bcc5a396589 ]

Most likely due to copy-paste mistake the divider has been set to 10 while
according to the SoC reference manual it's supposed to be 8 thus having
PTP clock frequency of 156.25 MHz.

Fixes: 353afa3a8d2e ("clk: Add Baikal-T1 CCU Dividers driver")
Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
Link: https://lore.kernel.org/r/20220929225402.9696-3-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Stephen Boyd <sboyd@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/clk/baikal-t1/clk-ccu-div.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/baikal-t1/clk-ccu-div.c b/drivers/clk/baikal-t1/clk-ccu-div.c
index f141fda12b09..ea77eec40ddd 100644
--- a/drivers/clk/baikal-t1/clk-ccu-div.c
+++ b/drivers/clk/baikal-t1/clk-ccu-div.c
@@ -207,7 +207,7 @@ static const struct ccu_div_info sys_info[] = {
 	CCU_DIV_GATE_INFO(CCU_SYS_XGMAC_REF_CLK, "sys_xgmac_ref_clk",
 			  "eth_clk", CCU_SYS_XGMAC_BASE, 8),
 	CCU_DIV_FIXED_INFO(CCU_SYS_XGMAC_PTP_CLK, "sys_xgmac_ptp_clk",
-			   "eth_clk", 10),
+			   "eth_clk", 8),
 	CCU_DIV_GATE_INFO(CCU_SYS_USB_CLK, "sys_usb_clk",
 			  "eth_clk", CCU_SYS_USB_BASE, 10),
 	CCU_DIV_VAR_INFO(CCU_SYS_PVT_CLK, "sys_pvt_clk",
-- 
2.35.1