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-rw-r--r--drivers/firmware/qcom_scm.c73
1 files changed, 13 insertions, 60 deletions
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index fde33acd46b7..237d05d6208b 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -26,10 +26,6 @@
static bool download_mode = IS_ENABLED(CONFIG_QCOM_SCM_DOWNLOAD_MODE_DEFAULT);
module_param(download_mode, bool, 0);
-#define SCM_HAS_CORE_CLK BIT(0)
-#define SCM_HAS_IFACE_CLK BIT(1)
-#define SCM_HAS_BUS_CLK BIT(2)
-
struct qcom_scm {
struct device *dev;
struct clk *core_clk;
@@ -1405,7 +1401,6 @@ out:
static int qcom_scm_probe(struct platform_device *pdev)
{
struct qcom_scm *scm;
- unsigned long clks;
int irq, ret;
scm = devm_kzalloc(&pdev->dev, sizeof(*scm), GFP_KERNEL);
@@ -1418,50 +1413,27 @@ static int qcom_scm_probe(struct platform_device *pdev)
mutex_init(&scm->scm_bw_lock);
- clks = (unsigned long)of_device_get_match_data(&pdev->dev);
-
scm->path = devm_of_icc_get(&pdev->dev, NULL);
if (IS_ERR(scm->path))
return dev_err_probe(&pdev->dev, PTR_ERR(scm->path),
"failed to acquire interconnect path\n");
- scm->core_clk = devm_clk_get(&pdev->dev, "core");
+ scm->core_clk = devm_clk_get_optional(&pdev->dev, "core");
if (IS_ERR(scm->core_clk)) {
if (PTR_ERR(scm->core_clk) == -EPROBE_DEFER)
return PTR_ERR(scm->core_clk);
-
- if (clks & SCM_HAS_CORE_CLK) {
- dev_err(&pdev->dev, "failed to acquire core clk\n");
- return PTR_ERR(scm->core_clk);
- }
-
- scm->core_clk = NULL;
}
- scm->iface_clk = devm_clk_get(&pdev->dev, "iface");
+ scm->iface_clk = devm_clk_get_optional(&pdev->dev, "iface");
if (IS_ERR(scm->iface_clk)) {
if (PTR_ERR(scm->iface_clk) == -EPROBE_DEFER)
return PTR_ERR(scm->iface_clk);
-
- if (clks & SCM_HAS_IFACE_CLK) {
- dev_err(&pdev->dev, "failed to acquire iface clk\n");
- return PTR_ERR(scm->iface_clk);
- }
-
- scm->iface_clk = NULL;
}
- scm->bus_clk = devm_clk_get(&pdev->dev, "bus");
+ scm->bus_clk = devm_clk_get_optional(&pdev->dev, "bus");
if (IS_ERR(scm->bus_clk)) {
if (PTR_ERR(scm->bus_clk) == -EPROBE_DEFER)
return PTR_ERR(scm->bus_clk);
-
- if (clks & SCM_HAS_BUS_CLK) {
- dev_err(&pdev->dev, "failed to acquire bus clk\n");
- return PTR_ERR(scm->bus_clk);
- }
-
- scm->bus_clk = NULL;
}
scm->reset.ops = &qcom_scm_pas_reset_ops;
@@ -1512,38 +1484,19 @@ static void qcom_scm_shutdown(struct platform_device *pdev)
}
static const struct of_device_id qcom_scm_dt_match[] = {
- { .compatible = "qcom,scm-apq8064",
- /* FIXME: This should have .data = (void *) SCM_HAS_CORE_CLK */
- },
- { .compatible = "qcom,scm-apq8084", .data = (void *)(SCM_HAS_CORE_CLK |
- SCM_HAS_IFACE_CLK |
- SCM_HAS_BUS_CLK)
- },
+ { .compatible = "qcom,scm-apq8064" },
+ { .compatible = "qcom,scm-apq8084" },
{ .compatible = "qcom,scm-ipq4019" },
- { .compatible = "qcom,scm-mdm9607", .data = (void *)(SCM_HAS_CORE_CLK |
- SCM_HAS_IFACE_CLK |
- SCM_HAS_BUS_CLK) },
- { .compatible = "qcom,scm-msm8660", .data = (void *) SCM_HAS_CORE_CLK },
- { .compatible = "qcom,scm-msm8960", .data = (void *) SCM_HAS_CORE_CLK },
- { .compatible = "qcom,scm-msm8916", .data = (void *)(SCM_HAS_CORE_CLK |
- SCM_HAS_IFACE_CLK |
- SCM_HAS_BUS_CLK)
- },
- { .compatible = "qcom,scm-msm8953", .data = (void *)(SCM_HAS_CORE_CLK |
- SCM_HAS_IFACE_CLK |
- SCM_HAS_BUS_CLK)
- },
- { .compatible = "qcom,scm-msm8974", .data = (void *)(SCM_HAS_CORE_CLK |
- SCM_HAS_IFACE_CLK |
- SCM_HAS_BUS_CLK)
- },
- { .compatible = "qcom,scm-msm8976", .data = (void *)(SCM_HAS_CORE_CLK |
- SCM_HAS_IFACE_CLK |
- SCM_HAS_BUS_CLK)
- },
+ { .compatible = "qcom,scm-mdm9607" },
+ { .compatible = "qcom,scm-msm8660" },
+ { .compatible = "qcom,scm-msm8960" },
+ { .compatible = "qcom,scm-msm8916" },
+ { .compatible = "qcom,scm-msm8953" },
+ { .compatible = "qcom,scm-msm8974" },
+ { .compatible = "qcom,scm-msm8976" },
{ .compatible = "qcom,scm-msm8994" },
{ .compatible = "qcom,scm-msm8996" },
- { .compatible = "qcom,scm-sm6375", .data = (void *)SCM_HAS_CORE_CLK },
+ { .compatible = "qcom,scm-sm6375" },
{ .compatible = "qcom,scm" },
{}
};