From: Arnd Bergmann <arnd@kernel.org>
To: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>
Cc: Arnd Bergmann <arnd@arndb.de>,
Marc Gonzalez <marc.w.gonzalez@free.fr>,
Mans Rullgard <mans@mansr.com>
Subject: [PATCH 2/4] timer: remove tango driver
Date: Wed, 20 Jan 2021 14:15:57 +0100 [thread overview]
Message-ID: <20210120131559.1971359-3-arnd@kernel.org> (raw)
In-Reply-To: <20210120131559.1971359-1-arnd@kernel.org>
From: Arnd Bergmann <arnd@arndb.de>
The tango platform is getting removed, so the driver is no
longer needed.
Cc: Marc Gonzalez <marc.w.gonzalez@free.fr>
Cc: Mans Rullgard <mans@mansr.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/clocksource/Kconfig | 8 ----
drivers/clocksource/Makefile | 1 -
drivers/clocksource/timer-tango-xtal.c | 57 --------------------------
3 files changed, 66 deletions(-)
delete mode 100644 drivers/clocksource/timer-tango-xtal.c
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 824a0f6b77d4..1feadd067677 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -560,14 +560,6 @@ config CLKSRC_MIPS_GIC
select CLOCKSOURCE_WATCHDOG
select TIMER_OF
-config CLKSRC_TANGO_XTAL
- bool "Clocksource for Tango SoC" if COMPILE_TEST
- depends on ARM
- select TIMER_OF
- select CLKSRC_MMIO
- help
- This enables the clocksource for Tango SoC.
-
config CLKSRC_PXA
bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST
depends on HAS_IOMEM
diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile
index 41c154478a1a..1089f2ed8560 100644
--- a/drivers/clocksource/Makefile
+++ b/drivers/clocksource/Makefile
@@ -72,7 +72,6 @@ obj-$(CONFIG_KEYSTONE_TIMER) += timer-keystone.o
obj-$(CONFIG_INTEGRATOR_AP_TIMER) += timer-integrator-ap.o
obj-$(CONFIG_CLKSRC_VERSATILE) += timer-versatile.o
obj-$(CONFIG_CLKSRC_MIPS_GIC) += mips-gic-timer.o
-obj-$(CONFIG_CLKSRC_TANGO_XTAL) += timer-tango-xtal.o
obj-$(CONFIG_CLKSRC_IMX_GPT) += timer-imx-gpt.o
obj-$(CONFIG_CLKSRC_IMX_TPM) += timer-imx-tpm.o
obj-$(CONFIG_TIMER_IMX_SYS_CTR) += timer-imx-sysctr.o
diff --git a/drivers/clocksource/timer-tango-xtal.c b/drivers/clocksource/timer-tango-xtal.c
deleted file mode 100644
index 3f94e454ef99..000000000000
--- a/drivers/clocksource/timer-tango-xtal.c
+++ /dev/null
@@ -1,57 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/clocksource.h>
-#include <linux/sched_clock.h>
-#include <linux/of_address.h>
-#include <linux/printk.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/clk.h>
-
-static void __iomem *xtal_in_cnt;
-static struct delay_timer delay_timer;
-
-static unsigned long notrace read_xtal_counter(void)
-{
- return readl_relaxed(xtal_in_cnt);
-}
-
-static u64 notrace read_sched_clock(void)
-{
- return read_xtal_counter();
-}
-
-static int __init tango_clocksource_init(struct device_node *np)
-{
- struct clk *clk;
- int xtal_freq, ret;
-
- xtal_in_cnt = of_iomap(np, 0);
- if (xtal_in_cnt == NULL) {
- pr_err("%pOF: invalid address\n", np);
- return -ENXIO;
- }
-
- clk = of_clk_get(np, 0);
- if (IS_ERR(clk)) {
- pr_err("%pOF: invalid clock\n", np);
- return PTR_ERR(clk);
- }
-
- xtal_freq = clk_get_rate(clk);
- delay_timer.freq = xtal_freq;
- delay_timer.read_current_timer = read_xtal_counter;
-
- ret = clocksource_mmio_init(xtal_in_cnt, "tango-xtal", xtal_freq, 350,
- 32, clocksource_mmio_readl_up);
- if (ret) {
- pr_err("%pOF: registration failed\n", np);
- return ret;
- }
-
- sched_clock_register(read_sched_clock, 32, xtal_freq);
- register_current_timer_delay(&delay_timer);
-
- return 0;
-}
-
-TIMER_OF_DECLARE(tango, "sigma,tick-counter", tango_clocksource_init);
--
2.29.2
next prev parent reply other threads:[~2021-01-20 13:26 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-20 13:15 [PATCH 0/4] clocksource: remove obsolete drivers Arnd Bergmann
2021-01-20 13:15 ` [PATCH 1/4] timer: remove u300 driver Arnd Bergmann
2021-01-21 8:37 ` Linus Walleij
2021-02-10 10:06 ` [tip: timers/core] clocksource/drivers/u300: Remove the " tip-bot2 for Arnd Bergmann
2021-01-20 13:15 ` Arnd Bergmann [this message]
2021-01-21 13:48 ` [PATCH 2/4] timer: remove tango driver Måns Rullgård
2021-02-10 10:06 ` [tip: timers/core] clocksource/drivers/tango: Remove " tip-bot2 for Arnd Bergmann
2021-01-20 13:15 ` [PATCH 3/4] timer: remove sirf atlas driver Arnd Bergmann
2021-01-20 21:21 ` Barry Song
2021-02-10 10:06 ` [tip: timers/core] clocksource/drivers/atlas: Remove " tip-bot2 for Arnd Bergmann
2021-01-20 13:15 ` [PATCH 4/4] timer: remove sirf prima driver Arnd Bergmann
2021-01-20 17:50 ` Joe Perches
2021-01-20 20:53 ` Arnd Bergmann
2021-01-20 21:11 ` Barry Song
2021-02-10 10:06 ` [tip: timers/core] clocksource/drivers/prima: Remove " tip-bot2 for Arnd Bergmann
2021-02-03 8:37 ` [PATCH 0/4] clocksource: remove obsolete drivers Daniel Lezcano
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