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([188.252.220.152]) by smtp.googlemail.com with ESMTPSA id d26-20020a056402401a00b0046c7c3755a7sm5152151eda.17.2023.01.21.03.29.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 21 Jan 2023 03:29:52 -0800 (PST) From: Robert Marko To: ilia.lin@kernel.org, agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, rafael@kernel.org, viresh.kumar@linaro.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: Robert Marko Subject: [PATCH 4/4] cpufreq: qcom-nvmem: make qcom_cpufreq_get_msm_id() return the SoC ID Date: Sat, 21 Jan 2023 12:29:47 +0100 Message-Id: <20230121112947.53433-4-robimarko@gmail.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230121112947.53433-1-robimarko@gmail.com> References: <20230121112947.53433-1-robimarko@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Currently, qcom_cpufreq_get_msm_id() does not simply return the SoC ID after getting it via SMEM call but instead uses an enum to encode the matched SMEM ID to 2 variants of MSM8996 which are then used in qcom_cpufreq_kryo_name_version() to set the supported version. This prevents qcom_cpufreq_get_msm_id() from being universal and its doing more than its name suggests, so lets make it just return the SoC ID directly which allows matching directly on the SoC ID and removes the need for msm8996_version enum which simplifies the driver. It also allows reusing the qcom_cpufreq_get_msm_id() for new SoC-s. Signed-off-by: Robert Marko --- drivers/cpufreq/qcom-cpufreq-nvmem.c | 44 ++++++++-------------------- 1 file changed, 12 insertions(+), 32 deletions(-) diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c index da55d2e1925a..9deaf9521d6d 100644 --- a/drivers/cpufreq/qcom-cpufreq-nvmem.c +++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c @@ -32,12 +32,6 @@ #include -enum _msm8996_version { - MSM8996_V3, - MSM8996_SG, - NUM_OF_MSM8996_VERSIONS, -}; - struct qcom_cpufreq_drv; struct qcom_cpufreq_match_data { @@ -134,30 +128,16 @@ static void get_krait_bin_format_b(struct device *cpu_dev, dev_dbg(cpu_dev, "PVS version: %d\n", *pvs_ver); } -static enum _msm8996_version qcom_cpufreq_get_msm_id(void) +static int qcom_cpufreq_get_msm_id(void) { size_t len; struct socinfo *info; - enum _msm8996_version version; info = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_HW_SW_BUILD_ID, &len); if (IS_ERR(info)) - return NUM_OF_MSM8996_VERSIONS; + return PTR_ERR(info); - switch (info->id) { - case QCOM_ID_MSM8996: - case QCOM_ID_APQ8096: - version = MSM8996_V3; - break; - case QCOM_ID_MSM8996SG: - case QCOM_ID_APQ8096SG: - version = MSM8996_SG; - break; - default: - version = NUM_OF_MSM8996_VERSIONS; - } - - return version; + return info->id; } static int qcom_cpufreq_kryo_name_version(struct device *cpu_dev, @@ -166,25 +146,25 @@ static int qcom_cpufreq_kryo_name_version(struct device *cpu_dev, struct qcom_cpufreq_drv *drv) { size_t len; + int msm_id; u8 *speedbin; - enum _msm8996_version msm8996_version; *pvs_name = NULL; - msm8996_version = qcom_cpufreq_get_msm_id(); - if (NUM_OF_MSM8996_VERSIONS == msm8996_version) { - dev_err(cpu_dev, "Not Snapdragon 820/821!"); - return -ENODEV; - } + msm_id = qcom_cpufreq_get_msm_id(); + if (msm_id < 0) + return msm_id; speedbin = nvmem_cell_read(speedbin_nvmem, &len); if (IS_ERR(speedbin)) return PTR_ERR(speedbin); - switch (msm8996_version) { - case MSM8996_V3: + switch (msm_id) { + case QCOM_ID_MSM8996: + case QCOM_ID_APQ8096: drv->versions = 1 << (unsigned int)(*speedbin); break; - case MSM8996_SG: + case QCOM_ID_MSM8996SG: + case QCOM_ID_APQ8096SG: drv->versions = 1 << ((unsigned int)(*speedbin) + 4); break; default: -- 2.39.1