From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Neil Armstrong <neil.armstrong@linaro.org>,
Rob Herring <robh@kernel.org>, Conor Dooley <conor+dt@kernel.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH 1/3] arm64: dts: qcom: sm8450: Enable UHS-I SDR50 and SDR104 SD card modes
Date: Thu, 27 Nov 2025 14:43:25 +0100 [thread overview]
Message-ID: <0ba15c78-2a12-4fc8-9620-11aa2b6c8d28@oss.qualcomm.com> (raw)
In-Reply-To: <20251126012043.3764567-2-vladimir.zapolskiy@linaro.org>
On 11/26/25 2:20 AM, Vladimir Zapolskiy wrote:
> The reported problem of some non-working UHS-I speed modes on SM8450
> originates in commit 0a631a36f724 ("arm64: dts: qcom: Add device tree
> for Sony Xperia 1 IV"), and then it was spread to all SM8450 powered
> platforms by commit 9d561dc4e5cc ("arm64: dts: qcom: sm8450: disable
> SDHCI SDR104/SDR50 on all boards").
>
> The tests show that the rootcause of the problem was related to an
> overclocking of SD cards, and it's fixed later on by commit a27ac3806b0a
> ("clk: qcom: gcc-sm8450: Use floor ops for SDCC RCGs").
>
> Since then both SDR50 and SDR104 speed modes are working fine on SM8450,
> tested on SM8450-HDK:
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
next prev parent reply other threads:[~2025-11-27 13:43 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-26 1:20 [PATCH 0/3] arm64: dts: qcom: sm8x50: Enable UHS-I SDR50 and SDR104 SD card modes Vladimir Zapolskiy
2025-11-26 1:20 ` [PATCH 1/3] arm64: dts: qcom: sm8450: " Vladimir Zapolskiy
2025-11-26 8:09 ` Neil Armstrong
2025-11-27 13:43 ` Konrad Dybcio [this message]
2025-11-26 1:20 ` [PATCH 2/3] arm64: dts: qcom: sm8550: " Vladimir Zapolskiy
2025-11-26 8:08 ` Neil Armstrong
2025-11-27 13:40 ` Konrad Dybcio
2025-11-27 14:27 ` Vladimir Zapolskiy
2025-11-28 11:04 ` Konrad Dybcio
2025-11-26 1:20 ` [PATCH 3/3] arm64: dts: qcom: sm8650: " Vladimir Zapolskiy
2025-11-26 8:08 ` Neil Armstrong
2025-11-27 13:42 ` Konrad Dybcio
2025-11-26 16:14 ` [PATCH 0/3] arm64: dts: qcom: sm8x50: " Val Packett
2025-11-26 17:17 ` Vladimir Zapolskiy
2025-11-27 13:47 ` Konrad Dybcio
2025-11-27 19:33 ` Val Packett
2025-11-28 1:19 ` Vladimir Zapolskiy
2025-11-28 9:46 ` Konrad Dybcio
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