clocksource/drivers/tango: Remove tango driver

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>
Acked-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210120131559.1971359-3-arnd@kernel.org

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index b26bb9e..b5250e4 100644 (file)
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -551,14 +551,6 @@ 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 ce8a3c0..1b05f03 100644 (file)
--- a/drivers/clocksource/Makefile
+++ b/drivers/clocksource/Makefile
@@ -71,7 +71,6 @@ 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 (file)
index 3f94e45..0000000
--- 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);