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-rw-r--r--target/linux/mediatek/patches/0040-clocksource-mediatek-Use-GPT-as-sched-clock-source.patch46
1 files changed, 0 insertions, 46 deletions
diff --git a/target/linux/mediatek/patches/0040-clocksource-mediatek-Use-GPT-as-sched-clock-source.patch b/target/linux/mediatek/patches/0040-clocksource-mediatek-Use-GPT-as-sched-clock-source.patch
deleted file mode 100644
index 4de1d75c89..0000000000
--- a/target/linux/mediatek/patches/0040-clocksource-mediatek-Use-GPT-as-sched-clock-source.patch
+++ /dev/null
@@ -1,46 +0,0 @@
-From 3b3c2406dd9797bc806e0ce756142a33d209c4e8 Mon Sep 17 00:00:00 2001
-From: "Joe.C" <yingjoe.chen@mediatek.com>
-Date: Fri, 1 May 2015 15:43:25 +0800
-Subject: [PATCH 40/76] clocksource: mediatek: Use GPT as sched clock source
-
-When cpu is in deep idle, arch timer will stop counting. Setup GPT as
-sched clock source so it can keep counting in idle.
-
-Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
----
- drivers/clocksource/mtk_timer.c | 10 ++++++++++
- 1 file changed, 10 insertions(+)
-
---- a/drivers/clocksource/mtk_timer.c
-+++ b/drivers/clocksource/mtk_timer.c
-@@ -24,6 +24,7 @@
- #include <linux/of.h>
- #include <linux/of_address.h>
- #include <linux/of_irq.h>
-+#include <linux/sched_clock.h>
- #include <linux/slab.h>
-
- #define GPT_IRQ_EN_REG 0x00
-@@ -59,6 +60,13 @@ struct mtk_clock_event_device {
- struct clock_event_device dev;
- };
-
-+static void __iomem *gpt_base __read_mostly;
-+
-+static u64 notrace mtk_read_sched_clock(void)
-+{
-+ return readl_relaxed(gpt_base + TIMER_CNT_REG(GPT_CLK_SRC));
-+}
-+
- static inline struct mtk_clock_event_device *to_mtk_clk(
- struct clock_event_device *c)
- {
-@@ -239,6 +247,8 @@ static void __init mtk_timer_init(struct
- mtk_timer_setup(evt, GPT_CLK_SRC, TIMER_CTRL_OP_FREERUN);
- clocksource_mmio_init(evt->gpt_base + TIMER_CNT_REG(GPT_CLK_SRC),
- node->name, rate, 300, 32, clocksource_mmio_readl_up);
-+ gpt_base = evt->gpt_base;
-+ sched_clock_register(mtk_read_sched_clock, 32, rate);
-
- /* Configure clock event */
- mtk_timer_setup(evt, GPT_CLK_EVT, TIMER_CTRL_OP_REPEAT);