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Revert "clockevents: Add a clkevt-of mechanism like clksrc-of" 

After discussing it, this feature is dropped as it is not considered
adequate:

	https://patchwork.kernel.org/patch/9639317/

There is no user of this macro yet, so there is no impact on the drivers.

This reverts commit 376bc27150.

Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
Daniel Lezcano 2017-05-26 15:30:34 +02:00
parent ef89718ab6
commit 8e0931022e
5 changed files with 0 additions and 75 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/clocksource/Kconfig
View File

@ -5,10 +5,6 @@ config CLKSRC_OF
bool
select CLKSRC_PROBE
config CLKEVT_OF
bool
select CLKEVT_PROBE
config CLKSRC_ACPI
bool
select CLKSRC_PROBE
@ -16,9 +12,6 @@ config CLKSRC_ACPI
config CLKSRC_PROBE
bool
config CLKEVT_PROBE
bool
config CLKSRC_I8253
bool

1
drivers/clocksource/Makefile
View File

@ -1,5 +1,4 @@
obj-$(CONFIG_CLKSRC_PROBE) += clksrc-probe.o
obj-$(CONFIG_CLKEVT_PROBE) += clkevt-probe.o
obj-$(CONFIG_ATMEL_PIT) += timer-atmel-pit.o
obj-$(CONFIG_ATMEL_ST) += timer-atmel-st.o
obj-$(CONFIG_ATMEL_TCB_CLKSRC) += tcb_clksrc.o

56
drivers/clocksource/clkevt-probe.c
View File

@ -1,56 +0,0 @@
/*
* Copyright (c) 2016, Linaro Ltd. All rights reserved.
* Daniel Lezcano <daniel.lezcano@linaro.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/init.h>
#include <linux/of.h>
#include <linux/clockchips.h>
extern struct of_device_id __clkevt_of_table[];
static const struct of_device_id __clkevt_of_table_sentinel
__used __section(__clkevt_of_table_end);
int __init clockevent_probe(void)
{
struct device_node *np;
const struct of_device_id *match;
of_init_fn_1_ret init_func;
int ret, clockevents = 0;
for_each_matching_node_and_match(np, __clkevt_of_table, &match) {
if (!of_device_is_available(np))
continue;
init_func = match->data;
ret = init_func(np);
if (ret) {
pr_warn("Failed to initialize '%s' (%d)\n",
np->name, ret);
continue;
}
clockevents++;
}
if (!clockevents) {
pr_crit("%s: no matching clockevent found\n", __func__);
return -ENODEV;
}
return 0;
}

2
include/asm-generic/vmlinux.lds.h
View File

@ -173,7 +173,6 @@
KEEP(*(__##name##_of_table_end))
#define CLKSRC_OF_TABLES() OF_TABLE(CONFIG_CLKSRC_OF, clksrc)
#define CLKEVT_OF_TABLES() OF_TABLE(CONFIG_CLKEVT_OF, clkevt)
#define IRQCHIP_OF_MATCH_TABLE() OF_TABLE(CONFIG_IRQCHIP, irqchip)
#define CLK_OF_TABLES() OF_TABLE(CONFIG_COMMON_CLK, clk)
#define IOMMU_OF_TABLES() OF_TABLE(CONFIG_OF_IOMMU, iommu)
@ -558,7 +557,6 @@
CLK_OF_TABLES() \
RESERVEDMEM_OF_TABLES() \
CLKSRC_OF_TABLES() \
CLKEVT_OF_TABLES() \
IOMMU_OF_TABLES() \
CPU_METHOD_OF_TABLES() \
CPUIDLE_METHOD_OF_TABLES() \

9
include/linux/clockchips.h
View File

@ -223,13 +223,4 @@ static inline void tick_setup_hrtimer_broadcast(void) { }
#endif /* !CONFIG_GENERIC_CLOCKEVENTS */
#define CLOCKEVENT_OF_DECLARE(name, compat, fn) \
OF_DECLARE_1_RET(clkevt, name, compat, fn)
#ifdef CONFIG_CLKEVT_PROBE
extern int clockevent_probe(void);
#else
static inline int clockevent_probe(void) { return 0; }
#endif
#endif /* _LINUX_CLOCKCHIPS_H */