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d2912cb1 |
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04-Jun-2019 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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a5a1d1c2 |
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21-Dec-2016 |
Thomas Gleixner <tglx@linutronix.de> |
clocksource: Use a plain u64 instead of cycle_t There is no point in having an extra type for extra confusion. u64 is unambiguous. Conversion was done with the following coccinelle script: @rem@ @@ -typedef u64 cycle_t; @fix@ typedef cycle_t; @@ -cycle_t +u64 Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: John Stultz <john.stultz@linaro.org>
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e2bf3e6e |
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10-Dec-2015 |
Linus Walleij <linus.walleij@linaro.org> |
clocksource: Mmio: remove artificial 32bit limitation The EP93xx is registering a clocksource of 40 bits with clocksource_mmio_init() but this is not working because of this artificial limitation. It works fine to lift the uppe limit to 64 bits, and since cycle_t is u64, it should intuitively have been like that from the beginning. Fixes: 000bc17817bf "ARM: ep93xx: switch to GENERIC_CLOCKEVENTS" Reported-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Link: http://lkml.kernel.org/r/1449768101-6879-1-git-send-email-linus.walleij@linaro.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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95c19a06 |
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22-Apr-2014 |
Xiubo Li <Li.Xiubo@freescale.com> |
clocksource: Fix clocksource_mmio_readX_down For some clocksource devices, for example, the registers are 32-bit, while the lower 16-bit is used for timer counting(And reading the upper 16-bit will return 0). For example, when the counter value is 0x00001111, and then the ~readl_relaxed(to_mmio_clksrc(c)->reg) will return the value of 0xFFFFEEEE, but it should be 0x0000EEEE. So just using the c->mask to mask the unused bits. Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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4a3ae074 |
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22-Apr-2014 |
Xiubo Li <Li.Xiubo@freescale.com> |
clocksource: Fix type confusion for clocksource_mmio_readX_Y The types' definations are: o cycle_t -> u64 o readl_relaxed -> u32 o readw_relaxed -> u16 So let clocksource_mmio_readX_Ys return a cast to cycle_t, though this maybe look reduntant sometimes, it make sense and they will be more readable and less confusion... This patch clarifies the functions type and fix it. Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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442c8176 |
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08-May-2011 |
Russell King <rmk+kernel@arm.linux.org.uk> |
clocksource: add common mmio clocksource Add a generic mmio clocksource, covering both 32-bit and 16-bit register access sizes, for up or down counters. This can be used to easily create clocksources for simple counter-based implementations. Cc: Alessandro Rubini <rubini@unipv.it> Cc: Colin Cross <ccross@android.com> Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Erik Gilling <konkers@android.com> Acked-by: "Hans J. Koch" <hjk@hansjkoch.de> Cc: Imre Kaloz <kaloz@openwrt.org> Cc: Krzysztof Halasa <khc@pm.waw.pl> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Linus Walleij <linus.walleij@stericsson.com> Cc: linux-omap@vger.kernel.org Acked-by: Nicolas Pitre <nico@fluxnic.net> Cc: Olof Johansson <olof@lixom.net> Tested-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Tony Lindgren <tony@atomide.com> Reviewed-by: Viresh Kumar <viresh.kumar@st.com> Cc: Wan ZongShun <mcuos.com@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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