diff options
Diffstat (limited to 'target/linux/ramips/patches-3.8/0077-clocksource-add-common-of_clksrc_init-function.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.8/0077-clocksource-add-common-of_clksrc_init-function.patch | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/target/linux/ramips/patches-3.8/0077-clocksource-add-common-of_clksrc_init-function.patch b/target/linux/ramips/patches-3.8/0077-clocksource-add-common-of_clksrc_init-function.patch deleted file mode 100644 index 62f043a6d4..0000000000 --- a/target/linux/ramips/patches-3.8/0077-clocksource-add-common-of_clksrc_init-function.patch +++ /dev/null @@ -1,132 +0,0 @@ -From 517d8e6ba345620c6704ec3db5b23c56fde06392 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Thu, 20 Jun 2013 19:16:03 +0200 -Subject: [PATCH 77/79] clocksource: add common of_clksrc_init() function - -It is desirable to move all clocksource drivers to drivers/clocksource, -yet each requires its own initialization function. We'd rather not -pollute <linux/> with a header for each function. Instead, create a -single of_clksrc_init() function which will determine which clocksource -driver to initialize based on device tree. - -Based on a similar patch for drivers/irqchip by Thomas Petazzoni. - -Signed-off-by: Stephen Warren <swarren@nvidia.com> ---- - drivers/clocksource/Kconfig | 3 +++ - drivers/clocksource/Makefile | 1 + - drivers/clocksource/clksrc-of.c | 35 +++++++++++++++++++++++++++++++++++ - include/asm-generic/vmlinux.lds.h | 9 +++++++++ - include/linux/clocksource.h | 9 +++++++++ - 5 files changed, 57 insertions(+) - create mode 100644 drivers/clocksource/clksrc-of.c - -diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig -index 7fdcbd3..a32b7a9 100644 ---- a/drivers/clocksource/Kconfig -+++ b/drivers/clocksource/Kconfig -@@ -1,3 +1,6 @@ -+config CLKSRC_OF -+ bool -+ - config CLKSRC_I8253 - bool - -diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile -index f93453d..a33f792 100644 ---- a/drivers/clocksource/Makefile -+++ b/drivers/clocksource/Makefile -@@ -1,3 +1,4 @@ -+obj-$(CONFIG_CLKSRC_OF) += clksrc-of.o - obj-$(CONFIG_ATMEL_TCB_CLKSRC) += tcb_clksrc.o - obj-$(CONFIG_X86_CYCLONE_TIMER) += cyclone.o - obj-$(CONFIG_X86_PM_TIMER) += acpi_pm.o -diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c -new file mode 100644 -index 0000000..bdabdaa ---- /dev/null -+++ b/drivers/clocksource/clksrc-of.c -@@ -0,0 +1,35 @@ -+/* -+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. -+ * -+ * 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> -+ -+extern struct of_device_id __clksrc_of_table[]; -+ -+static const struct of_device_id __clksrc_of_table_sentinel -+ __used __section(__clksrc_of_table_end); -+ -+void __init clocksource_of_init(void) -+{ -+ struct device_node *np; -+ const struct of_device_id *match; -+ void (*init_func)(void); -+ -+ for_each_matching_node_and_match(np, __clksrc_of_table, &match) { -+ init_func = match->data; -+ init_func(); -+ } -+} -diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h -index d1ea7ce..1e744c5 100644 ---- a/include/asm-generic/vmlinux.lds.h -+++ b/include/asm-generic/vmlinux.lds.h -@@ -149,6 +149,14 @@ - #define TRACE_SYSCALLS() - #endif - -+#ifdef CONFIG_CLKSRC_OF -+#define CLKSRC_OF_TABLES() . = ALIGN(8); \ -+ VMLINUX_SYMBOL(__clksrc_of_table) = .; \ -+ *(__clksrc_of_table) \ -+ *(__clksrc_of_table_end) -+#else -+#define CLKSRC_OF_TABLES() -+#endif - - #define KERNEL_DTB() \ - STRUCT_ALIGN(); \ -@@ -493,6 +501,7 @@ - DEV_DISCARD(init.rodata) \ - CPU_DISCARD(init.rodata) \ - MEM_DISCARD(init.rodata) \ -+ CLKSRC_OF_TABLES() \ - KERNEL_DTB() - - #define INIT_TEXT \ -diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h -index 4dceaf8..7944f14 100644 ---- a/include/linux/clocksource.h -+++ b/include/linux/clocksource.h -@@ -332,4 +332,13 @@ extern int clocksource_mmio_init(void __iomem *, const char *, - - extern int clocksource_i8253_init(void); - -+#ifdef CONFIG_CLKSRC_OF -+extern void clocksource_of_init(void); -+ -+#define CLOCKSOURCE_OF_DECLARE(name, compat, fn) \ -+ static const struct of_device_id __clksrc_of_table_##name \ -+ __used __section(__clksrc_of_table) \ -+ = { .compatible = compat, .data = fn }; -+#endif -+ - #endif /* _LINUX_CLOCKSOURCE_H */ --- -1.7.10.4 - |