From: Anson Huang <Anson.Huang@nxp.com>
To: rjw@rjwysocki.net, viresh.kumar@linaro.org, shawnguo@kernel.org,
s.hauer@pengutronix.de, kernel@pengutronix.de,
festevam@gmail.com, abel.vesa@nxp.com, linux-pm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Linux-imx@nxp.com
Subject: [PATCH] cpufreq: imx-cpufreq-dt: Correct i.MX8MP's market segment fuse location
Date: Tue, 10 Mar 2020 13:48:16 +0800 [thread overview]
Message-ID: <1583819296-7763-1-git-send-email-Anson.Huang@nxp.com> (raw)
i.MX8MP's market segment fuse field is bit[6:5], correct it.
Fixes: 83fe39ad0a48 ("cpufreq: imx-cpufreq-dt: Add i.MX8MP support")
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
drivers/cpufreq/imx-cpufreq-dt.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/cpufreq/imx-cpufreq-dt.c b/drivers/cpufreq/imx-cpufreq-dt.c
index 0e29d88..de206d2 100644
--- a/drivers/cpufreq/imx-cpufreq-dt.c
+++ b/drivers/cpufreq/imx-cpufreq-dt.c
@@ -19,6 +19,8 @@
#define IMX8MN_OCOTP_CFG3_SPEED_GRADE_MASK (0xf << 8)
#define OCOTP_CFG3_MKT_SEGMENT_SHIFT 6
#define OCOTP_CFG3_MKT_SEGMENT_MASK (0x3 << 6)
+#define IMX8MP_OCOTP_CFG3_MKT_SEGMENT_SHIFT 5
+#define IMX8MP_OCOTP_CFG3_MKT_SEGMENT_MASK (0x3 << 5)
/* cpufreq-dt device registered by imx-cpufreq-dt */
static struct platform_device *cpufreq_dt_pdev;
@@ -45,7 +47,13 @@ static int imx_cpufreq_dt_probe(struct platform_device *pdev)
else
speed_grade = (cell_value & OCOTP_CFG3_SPEED_GRADE_MASK)
>> OCOTP_CFG3_SPEED_GRADE_SHIFT;
- mkt_segment = (cell_value & OCOTP_CFG3_MKT_SEGMENT_MASK) >> OCOTP_CFG3_MKT_SEGMENT_SHIFT;
+
+ if (of_machine_is_compatible("fsl,imx8mp"))
+ mkt_segment = (cell_value & IMX8MP_OCOTP_CFG3_MKT_SEGMENT_MASK)
+ >> IMX8MP_OCOTP_CFG3_MKT_SEGMENT_SHIFT;
+ else
+ mkt_segment = (cell_value & OCOTP_CFG3_MKT_SEGMENT_MASK)
+ >> OCOTP_CFG3_MKT_SEGMENT_SHIFT;
/*
* Early samples without fuses written report "0 0" which may NOT
--
2.7.4
next reply other threads:[~2020-03-10 5:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-10 5:48 Anson Huang [this message]
2020-03-11 6:03 ` Viresh Kumar
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