summaryrefslogtreecommitdiffstats
path: root/drivers/clk/sprd/gate.h
diff options
context:
space:
mode:
authorNiklas Cassel <cassel@kernel.org>2026-09-16 15:00:32 +0200
committerNiklas Cassel <cassel@kernel.org>2026-09-16 16:18:00 +0200
commit8d836581f9b1f57ceaa2b47654754ef1260b410b (patch)
tree1dbd4d0dfb99c2e238356cbe947e5b0be3e3a571 /drivers/clk/sprd/gate.h
downloadlinux-stable-8d836581f9b1f57ceaa2b47654754ef1260b410b.tar.gz
linux-stable-8d836581f9b1f57ceaa2b47654754ef1260b410b.zip
ata: libata-scsi: fix ata_dsm_trim_pages() kernel-docgrafted
make htmldocs fails with: Documentation/driver-api/libata:604: ./drivers/ata/libata-scsi.c:2301: ERROR: Unexpected indentation. [docutils] The Return: section of ata_dsm_trim_pages() ends its first sentence with a colon and continues with an indented bullet list. reStructuredText requires a blank line before an indented block, so docutils chokes on the list. Simply adding the missing blank line does not work either: Return: is a kernel-doc "special section", which is terminated by the first blank line, so the bullet list would end up in the Description section, detached from the sentence introducing it. Spell the two bounds out as prose instead, so that the Return: section stays self-contained. Documentation-only change. Fixes: e64e6b5dc867 ("ata: libata-scsi: scale DSM TRIM payload by MAX PAGES PER DSM COMMAND") Reported-by: Thomas Huth <thuth@redhat.com> Closes: https://lore.kernel.org/linux-ide/b0a0b8e8-cc4f-4c7b-8bc5-fee0712d405a@redhat.com/ Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Link: https://lore.kernel.org/r/20260916130031.29990-2-cassel@kernel.org Signed-off-by: Niklas Cassel <cassel@kernel.org>
Diffstat (limited to 'drivers/clk/sprd/gate.h')
-rw-r--r--drivers/clk/sprd/gate.h168
1 files changed, 168 insertions, 0 deletions
diff --git a/drivers/clk/sprd/gate.h b/drivers/clk/sprd/gate.h
new file mode 100644
index 000000000..775519eb1
--- /dev/null
+++ b/drivers/clk/sprd/gate.h
@@ -0,0 +1,168 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+//
+// Spreadtrum gate clock driver
+//
+// Copyright (C) 2017 Spreadtrum, Inc.
+// Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
+
+#ifndef _SPRD_GATE_H_
+#define _SPRD_GATE_H_
+
+#include "common.h"
+
+struct sprd_gate {
+ u32 enable_mask;
+ u16 flags;
+ u16 sc_offset;
+ u16 udelay;
+
+ struct sprd_clk_common common;
+};
+
+/*
+ * sprd_gate->flags is used for:
+ * CLK_GATE_SET_TO_DISABLE BIT(0)
+ * CLK_GATE_HIWORD_MASK BIT(1)
+ * CLK_GATE_BIG_ENDIAN BIT(2)
+ * so we define new flags from BIT(3)
+ */
+#define SPRD_GATE_NON_AON BIT(3) /* not always powered on, check before read */
+
+#define SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, _udelay, _ops, _fn) \
+ struct sprd_gate _struct = { \
+ .enable_mask = _enable_mask, \
+ .sc_offset = _sc_offset, \
+ .flags = _gate_flags, \
+ .udelay = _udelay, \
+ .common = { \
+ .regmap = NULL, \
+ .reg = _reg, \
+ .hw.init = _fn(_name, _parent, \
+ _ops, _flags), \
+ } \
+ }
+
+#define SPRD_SC_GATE_CLK_OPS_UDELAY(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, _udelay, _ops) \
+ SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, _udelay, _ops, CLK_HW_INIT)
+
+#define SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, _sc_offset, \
+ _enable_mask, _flags, _gate_flags, _ops) \
+ SPRD_SC_GATE_CLK_OPS_UDELAY(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, 0, _ops)
+
+#define SPRD_SC_GATE_CLK(_struct, _name, _parent, _reg, _sc_offset, \
+ _enable_mask, _flags, _gate_flags) \
+ SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, _sc_offset, \
+ _enable_mask, _flags, _gate_flags, \
+ &sprd_sc_gate_ops)
+
+#define SPRD_GATE_CLK(_struct, _name, _parent, _reg, \
+ _enable_mask, _flags, _gate_flags) \
+ SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, 0, \
+ _enable_mask, _flags, _gate_flags, \
+ &sprd_gate_ops)
+
+#define SPRD_PLL_SC_GATE_CLK(_struct, _name, _parent, _reg, _sc_offset, \
+ _enable_mask, _flags, _gate_flags, \
+ _udelay) \
+ SPRD_SC_GATE_CLK_OPS_UDELAY(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, _udelay, \
+ &sprd_pll_sc_gate_ops)
+
+
+#define SPRD_SC_GATE_CLK_HW_OPS_UDELAY(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, \
+ _flags, _gate_flags, \
+ _udelay, _ops) \
+ SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, _udelay, _ops, \
+ CLK_HW_INIT_HW)
+
+#define SPRD_SC_GATE_CLK_HW_OPS(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, _ops) \
+ SPRD_SC_GATE_CLK_HW_OPS_UDELAY(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, \
+ _flags, _gate_flags, 0, _ops)
+
+#define SPRD_SC_GATE_CLK_HW(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags) \
+ SPRD_SC_GATE_CLK_HW_OPS(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, &sprd_sc_gate_ops)
+
+#define SPRD_GATE_CLK_HW(_struct, _name, _parent, _reg, \
+ _enable_mask, _flags, _gate_flags) \
+ SPRD_SC_GATE_CLK_HW_OPS(_struct, _name, _parent, _reg, 0, \
+ _enable_mask, _flags, _gate_flags, \
+ &sprd_gate_ops)
+
+#define SPRD_PLL_SC_GATE_CLK_HW(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, _udelay) \
+ SPRD_SC_GATE_CLK_HW_OPS_UDELAY(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, \
+ _flags, _gate_flags, _udelay, \
+ &sprd_pll_sc_gate_ops)
+
+#define SPRD_SC_GATE_CLK_FW_NAME_OPS_UDELAY(_struct, _name, _parent, \
+ _reg, _sc_offset, \
+ _enable_mask, _flags, \
+ _gate_flags, _udelay, _ops) \
+ SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, _udelay, _ops, \
+ CLK_HW_INIT_FW_NAME)
+
+#define SPRD_SC_GATE_CLK_FW_NAME_OPS(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, _ops) \
+ SPRD_SC_GATE_CLK_FW_NAME_OPS_UDELAY(_struct, _name, _parent, \
+ _reg, _sc_offset, \
+ _enable_mask, _flags, \
+ _gate_flags, 0, _ops)
+
+#define SPRD_SC_GATE_CLK_FW_NAME(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags) \
+ SPRD_SC_GATE_CLK_FW_NAME_OPS(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, &sprd_sc_gate_ops)
+
+#define SPRD_GATE_CLK_FW_NAME(_struct, _name, _parent, _reg, \
+ _enable_mask, _flags, _gate_flags) \
+ SPRD_SC_GATE_CLK_FW_NAME_OPS(_struct, _name, _parent, _reg, 0, \
+ _enable_mask, _flags, _gate_flags, \
+ &sprd_gate_ops)
+
+#define SPRD_PLL_SC_GATE_CLK_FW_NAME(_struct, _name, _parent, _reg, \
+ _sc_offset, _enable_mask, _flags, \
+ _gate_flags, _udelay) \
+ SPRD_SC_GATE_CLK_FW_NAME_OPS_UDELAY(_struct, _name, _parent, \
+ _reg, _sc_offset, \
+ _enable_mask, _flags, \
+ _gate_flags, _udelay, \
+ &sprd_pll_sc_gate_ops)
+
+static inline struct sprd_gate *hw_to_sprd_gate(const struct clk_hw *hw)
+{
+ struct sprd_clk_common *common = hw_to_sprd_clk_common(hw);
+
+ return container_of(common, struct sprd_gate, common);
+}
+
+extern const struct clk_ops sprd_gate_ops;
+extern const struct clk_ops sprd_sc_gate_ops;
+extern const struct clk_ops sprd_pll_sc_gate_ops;
+
+#endif /* _SPRD_GATE_H_ */