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Historically a lot of these existed because we did not have a distinction between what was modular code and what was providing support to modules via EXPORT_SYMBOL and friends. That changed when we forked out support for the latter into the export.h file. This means we should be able to reduce the usage of module.h in code that is obj-y Makefile or bool Kconfig. In the case of some code where it is modular, we can extend that to also include files that are building basic support functionality but not related to loading or registering the final module; such files also have no need whatsoever for module.h The advantage in removing such instances is that module.h itself sources about 15 other headers; adding significantly to what we feed cpp, and it can obscure what headers we are effectively using. Since module.h might have been the implicit source for init.h (for __init) and for export.h (for EXPORT_SYMBOL) we consider each instance for the presence of either and replace/add as needed. Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code. Build coverage of all the mips defconfigs revealed the module.h header was masking a couple of implicit include instances, so we add the appropriate headers there. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: David Daney <david.daney@cavium.com> Cc: John Crispin <john@phrozen.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: "Steven J. Hill" <steven.hill@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/15131/ [james.hogan@imgtec.com: Preserve sort order where it already exists] Signed-off-by: James Hogan <james.hogan@imgtec.com>
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
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* Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
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* JZ4740 platform timer support
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <linux/export.h>
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#include <linux/io.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <asm/mach-jz4740/base.h>
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#include <asm/mach-jz4740/timer.h>
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void __iomem *jz4740_timer_base;
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EXPORT_SYMBOL_GPL(jz4740_timer_base);
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void jz4740_timer_enable_watchdog(void)
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{
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writel(BIT(16), jz4740_timer_base + JZ_REG_TIMER_STOP_CLEAR);
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}
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EXPORT_SYMBOL_GPL(jz4740_timer_enable_watchdog);
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void jz4740_timer_disable_watchdog(void)
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{
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writel(BIT(16), jz4740_timer_base + JZ_REG_TIMER_STOP_SET);
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}
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EXPORT_SYMBOL_GPL(jz4740_timer_disable_watchdog);
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void __init jz4740_timer_init(void)
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{
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jz4740_timer_base = ioremap(JZ4740_TCU_BASE_ADDR, 0x100);
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if (!jz4740_timer_base)
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panic("Failed to ioremap timer registers");
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/* Disable all timer clocks except for those used as system timers */
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writel(0x000100fc, jz4740_timer_base + JZ_REG_TIMER_STOP_SET);
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/* Timer irqs are unmasked by default, mask them */
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writel(0x00ff00ff, jz4740_timer_base + JZ_REG_TIMER_MASK_SET);
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}
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