linux-kernel - [PATCH] soc: qcom: ocmem: Add OCMEM hardware version print

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Message-Id: <20230509-ocmem-hwver-v1-1-b83ece3f2168@z3ntu.xyz>
Date:   Tue, 09 May 2023 23:26:26 +0200
From:   Luca Weiss <luca@...tu.xyz>
To:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Brian Masney <masneyb@...tation.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luca Weiss <luca@...tu.xyz>
Subject: [PATCH] soc: qcom: ocmem: Add OCMEM hardware version print

It might be useful to know what hardware version of the OCMEM block the
SoC contains. Add a debug print for that.

Signed-off-by: Luca Weiss <luca@...tu.xyz>
---
 drivers/soc/qcom/ocmem.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/soc/qcom/ocmem.c b/drivers/soc/qcom/ocmem.c
index 199fe9872035..aa9b3c2c1322 100644
--- a/drivers/soc/qcom/ocmem.c
+++ b/drivers/soc/qcom/ocmem.c
@@ -355,6 +355,10 @@ static int ocmem_dev_probe(struct platform_device *pdev)
 		}
 	}
 
+	reg = ocmem_read(ocmem, OCMEM_REG_HW_VERSION);
+	dev_dbg(dev, "OCMEM hardware version: %ld.%ld.%ld\n",
+		(reg >> 28) & 0x0F, (reg >> 16) & 0xFFF, reg & 0xFFFF);
+
 	reg = ocmem_read(ocmem, OCMEM_REG_HW_PROFILE);
 	ocmem->num_ports = OCMEM_HW_PROFILE_NUM_PORTS(reg);
 	ocmem->num_macros = OCMEM_HW_PROFILE_NUM_MACROS(reg);

---
base-commit: ac9a78681b921877518763ba0e89202254349d1b
change-id: 20230509-ocmem-hwver-99bcb33b028b

Best regards,
-- 
Luca Weiss <luca@...tu.xyz>