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88bf652525
Reorganize dtsi patches with upstream version and drop dtsi in 5.15 files. Also add an additional upstream patch for hwspinlock support. Refresh all the dts with needed changes. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
72 lines
2.2 KiB
Diff
72 lines
2.2 KiB
Diff
From cdab30b44518513003607ecfc8a22de3dbbb78ed Mon Sep 17 00:00:00 2001
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From: Christian Marangi <ansuelsmth@gmail.com>
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Date: Thu, 7 Jul 2022 12:20:38 +0200
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Subject: [PATCH 1/1] hwspinlock: qcom: Add support for mmio usage to
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sfpb-mutex
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Allow sfpb-mutex to use mmio in addition to syscon.
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Link: https://lore.kernel.org/r/20220707102040.1859-1-ansuelsmth@gmail.com
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---
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drivers/hwspinlock/qcom_hwspinlock.c | 28 +++++++++++++++++++++++-----
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1 file changed, 23 insertions(+), 5 deletions(-)
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--- a/drivers/hwspinlock/qcom_hwspinlock.c
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+++ b/drivers/hwspinlock/qcom_hwspinlock.c
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@@ -19,6 +19,11 @@
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#define QCOM_MUTEX_APPS_PROC_ID 1
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#define QCOM_MUTEX_NUM_LOCKS 32
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+struct qcom_hwspinlock_of_data {
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+ u32 offset;
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+ u32 stride;
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+};
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+
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static int qcom_hwspinlock_trylock(struct hwspinlock *lock)
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{
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struct regmap_field *field = lock->priv;
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@@ -63,9 +68,20 @@ static const struct hwspinlock_ops qcom_
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.unlock = qcom_hwspinlock_unlock,
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};
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+static const struct qcom_hwspinlock_of_data of_sfpb_mutex = {
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+ .offset = 0x4,
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+ .stride = 0x4,
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+};
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+
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+/* All modern platform has offset 0 and stride of 4k */
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+static const struct qcom_hwspinlock_of_data of_tcsr_mutex = {
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+ .offset = 0,
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+ .stride = 0x1000,
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+};
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+
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static const struct of_device_id qcom_hwspinlock_of_match[] = {
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- { .compatible = "qcom,sfpb-mutex" },
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- { .compatible = "qcom,tcsr-mutex" },
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+ { .compatible = "qcom,sfpb-mutex", .data = &of_sfpb_mutex },
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+ { .compatible = "qcom,tcsr-mutex", .data = &of_tcsr_mutex },
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{ }
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};
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MODULE_DEVICE_TABLE(of, qcom_hwspinlock_of_match);
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@@ -112,12 +128,14 @@ static const struct regmap_config tcsr_m
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static struct regmap *qcom_hwspinlock_probe_mmio(struct platform_device *pdev,
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u32 *offset, u32 *stride)
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{
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+ const struct qcom_hwspinlock_of_data *data;
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struct device *dev = &pdev->dev;
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void __iomem *base;
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- /* All modern platform has offset 0 and stride of 4k */
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- *offset = 0;
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- *stride = 0x1000;
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+ data = of_device_get_match_data(dev);
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+
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+ *offset = data->offset;
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+ *stride = data->stride;
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base = devm_platform_ioremap_resource(pdev, 0);
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if (IS_ERR(base))
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