mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-04-13 09:59:31 +00:00
cdd30ebb1b
Clean up the existing export namespace code along the same lines of
commit 33def8498f ("treewide: Convert macro and uses of __section(foo)
to __section("foo")") and for the same reason, it is not desired for the
namespace argument to be a macro expansion itself.
Scripted using
git grep -l -e MODULE_IMPORT_NS -e EXPORT_SYMBOL_NS | while read file;
do
awk -i inplace '
/^#define EXPORT_SYMBOL_NS/ {
gsub(/__stringify\(ns\)/, "ns");
print;
next;
}
/^#define MODULE_IMPORT_NS/ {
gsub(/__stringify\(ns\)/, "ns");
print;
next;
}
/MODULE_IMPORT_NS/ {
$0 = gensub(/MODULE_IMPORT_NS\(([^)]*)\)/, "MODULE_IMPORT_NS(\"\\1\")", "g");
}
/EXPORT_SYMBOL_NS/ {
if ($0 ~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+),/) {
if ($0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/ &&
$0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(\)/ &&
$0 !~ /^my/) {
getline line;
gsub(/[[:space:]]*\\$/, "");
gsub(/[[:space:]]/, "", line);
$0 = $0 " " line;
}
$0 = gensub(/(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/,
"\\1(\\2, \"\\3\")", "g");
}
}
{ print }' $file;
done
Requested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://mail.google.com/mail/u/2/#inbox/FMfcgzQXKWgMmjdFwwdsfgxzKpVHWPlc
Acked-by: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
130 lines
2.9 KiB
C
130 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2016 Maxime Ripard
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* Maxime Ripard <maxime.ripard@free-electrons.com>
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*/
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#include <linux/clk-provider.h>
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#include <linux/io.h>
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#include "ccu_gate.h"
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void ccu_gate_helper_disable(struct ccu_common *common, u32 gate)
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{
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unsigned long flags;
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u32 reg;
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if (!gate)
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return;
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spin_lock_irqsave(common->lock, flags);
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reg = readl(common->base + common->reg);
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writel(reg & ~gate, common->base + common->reg);
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spin_unlock_irqrestore(common->lock, flags);
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}
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EXPORT_SYMBOL_NS_GPL(ccu_gate_helper_disable, "SUNXI_CCU");
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static void ccu_gate_disable(struct clk_hw *hw)
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{
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struct ccu_gate *cg = hw_to_ccu_gate(hw);
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return ccu_gate_helper_disable(&cg->common, cg->enable);
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}
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int ccu_gate_helper_enable(struct ccu_common *common, u32 gate)
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{
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unsigned long flags;
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u32 reg;
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if (!gate)
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return 0;
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spin_lock_irqsave(common->lock, flags);
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reg = readl(common->base + common->reg);
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writel(reg | gate, common->base + common->reg);
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spin_unlock_irqrestore(common->lock, flags);
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return 0;
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}
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EXPORT_SYMBOL_NS_GPL(ccu_gate_helper_enable, "SUNXI_CCU");
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static int ccu_gate_enable(struct clk_hw *hw)
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{
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struct ccu_gate *cg = hw_to_ccu_gate(hw);
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return ccu_gate_helper_enable(&cg->common, cg->enable);
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}
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int ccu_gate_helper_is_enabled(struct ccu_common *common, u32 gate)
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{
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if (!gate)
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return 1;
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return readl(common->base + common->reg) & gate;
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}
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EXPORT_SYMBOL_NS_GPL(ccu_gate_helper_is_enabled, "SUNXI_CCU");
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static int ccu_gate_is_enabled(struct clk_hw *hw)
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{
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struct ccu_gate *cg = hw_to_ccu_gate(hw);
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return ccu_gate_helper_is_enabled(&cg->common, cg->enable);
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}
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static unsigned long ccu_gate_recalc_rate(struct clk_hw *hw,
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unsigned long parent_rate)
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{
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struct ccu_gate *cg = hw_to_ccu_gate(hw);
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unsigned long rate = parent_rate;
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if (cg->common.features & CCU_FEATURE_ALL_PREDIV)
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rate /= cg->common.prediv;
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return rate;
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}
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static long ccu_gate_round_rate(struct clk_hw *hw, unsigned long rate,
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unsigned long *prate)
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{
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struct ccu_gate *cg = hw_to_ccu_gate(hw);
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int div = 1;
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if (cg->common.features & CCU_FEATURE_ALL_PREDIV)
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div = cg->common.prediv;
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if (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) {
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unsigned long best_parent = rate;
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if (cg->common.features & CCU_FEATURE_ALL_PREDIV)
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best_parent *= div;
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*prate = clk_hw_round_rate(clk_hw_get_parent(hw), best_parent);
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}
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return *prate / div;
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}
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static int ccu_gate_set_rate(struct clk_hw *hw, unsigned long rate,
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unsigned long parent_rate)
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{
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/*
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* We must report success but we can do so unconditionally because
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* clk_factor_round_rate returns values that ensure this call is a
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* nop.
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*/
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return 0;
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}
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const struct clk_ops ccu_gate_ops = {
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.disable = ccu_gate_disable,
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.enable = ccu_gate_enable,
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.is_enabled = ccu_gate_is_enabled,
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.round_rate = ccu_gate_round_rate,
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.set_rate = ccu_gate_set_rate,
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.recalc_rate = ccu_gate_recalc_rate,
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};
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EXPORT_SYMBOL_NS_GPL(ccu_gate_ops, "SUNXI_CCU");
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