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authorSang-Heon Jeon <ekffu200098@gmail.com>2026-08-24 01:18:14 +0900
committerJulia Lawall <Julia.Lawall@inria.fr>2026-08-23 22:12:11 +0200
commit2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c (patch)
treedcc4da1d99f17541c5590ac63c77da4bf372a4ab /drivers/clk/rockchip/gate-link.c
downloadlinux-stable-2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c.tar.gz
linux-stable-2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c.zip
coccinelle: alloc_cast: drop removed allocatorsgrafted
- pci_alloc_consistent() and pci_zalloc_consistent() were removed by commit 7968778914e5 ("PCI: Remove the deprecated "pci-dma-compat.h" API") - kmem_alloc() was removed by commit f078d4ea8276 ("xfs: convert kmem_alloc() to kmalloc()") - kmem_zalloc() was removed by commit 10634530f7ba ("xfs: convert kmem_zalloc() to kzalloc()") - kmem_zone_alloc() and kmem_zone_zalloc() were removed by commit bae633a4a283 ("xfs: remove xfs_zone_{alloc,zalloc} helpers") So drop them from the rules. No functional change. Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Diffstat (limited to 'drivers/clk/rockchip/gate-link.c')
-rw-r--r--drivers/clk/rockchip/gate-link.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/clk/rockchip/gate-link.c b/drivers/clk/rockchip/gate-link.c
new file mode 100644
index 000000000..cd0f7a2d3
--- /dev/null
+++ b/drivers/clk/rockchip/gate-link.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2024 Collabora Ltd.
+ * Author: Sebastian Reichel <sebastian.reichel@collabora.com>
+ */
+
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/pm_clock.h>
+#include <linux/pm_runtime.h>
+#include <linux/property.h>
+#include "clk.h"
+
+static int rk_clk_gate_link_register(struct device *dev,
+ struct rockchip_clk_provider *ctx,
+ struct rockchip_clk_branch *clkbr)
+{
+ unsigned long flags = clkbr->flags | CLK_SET_RATE_PARENT;
+ struct clk *clk;
+
+ clk = clk_register_gate(dev, clkbr->name, clkbr->parent_names[0],
+ flags, ctx->reg_base + clkbr->gate_offset,
+ clkbr->gate_shift, clkbr->gate_flags,
+ &ctx->lock);
+
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ rockchip_clk_set_lookup(ctx, clk, clkbr->id);
+ return 0;
+}
+
+static int rk_clk_gate_link_probe(struct platform_device *pdev)
+{
+ struct rockchip_gate_link_platdata *pdata;
+ struct device *dev = &pdev->dev;
+ struct clk *linked_clk;
+ int ret;
+
+ pdata = dev_get_platdata(dev);
+ if (!pdata)
+ return dev_err_probe(dev, -ENODEV, "missing platform data");
+
+ ret = devm_pm_runtime_enable(dev);
+ if (ret)
+ return ret;
+
+ ret = devm_pm_clk_create(dev);
+ if (ret)
+ return ret;
+
+ linked_clk = rockchip_clk_get_lookup(pdata->ctx, pdata->clkbr->linked_clk_id);
+ ret = pm_clk_add_clk(dev, linked_clk);
+ if (ret)
+ return ret;
+
+ ret = rk_clk_gate_link_register(dev, pdata->ctx, pdata->clkbr);
+ if (ret)
+ goto err;
+
+ return 0;
+
+err:
+ pm_clk_remove_clk(dev, linked_clk);
+ return ret;
+}
+
+static const struct dev_pm_ops rk_clk_gate_link_pm_ops = {
+ SET_RUNTIME_PM_OPS(pm_clk_suspend, pm_clk_resume, NULL)
+};
+
+static struct platform_driver rk_clk_gate_link_driver = {
+ .probe = rk_clk_gate_link_probe,
+ .driver = {
+ .name = "rockchip-gate-link-clk",
+ .pm = &rk_clk_gate_link_pm_ops,
+ .suppress_bind_attrs = true,
+ },
+};
+
+static int __init rk_clk_gate_link_drv_register(void)
+{
+ return platform_driver_register(&rk_clk_gate_link_driver);
+}
+core_initcall(rk_clk_gate_link_drv_register);