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| author | John Crispin <john@openwrt.org> | 2015-11-02 10:18:50 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2015-11-02 10:18:50 +0000 |
| commit | 25afe99b31f4ef3d835f96545e370770c230ac44 (patch) | |
| tree | 5dbe83834a0a67121c557b7549a13221317f07eb /target/linux/mediatek/patches/0039-clocksource-mediatek-Don-t-run-event_handler-if-it-i.patch | |
| parent | 12e0d2737f558e886cf698e939f1758ab6a64947 (diff) | |
| download | mtk-20170518-25afe99b31f4ef3d835f96545e370770c230ac44.zip mtk-20170518-25afe99b31f4ef3d835f96545e370770c230ac44.tar.gz mtk-20170518-25afe99b31f4ef3d835f96545e370770c230ac44.tar.bz2 | |
mediatek: add support for the new MT7623 Arm SoC
the support is still WIP. next steps are to make the pmic and ethernet work.
this is the first commit to make sure nothing gets lost.
Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 47354
Diffstat (limited to 'target/linux/mediatek/patches/0039-clocksource-mediatek-Don-t-run-event_handler-if-it-i.patch')
| -rw-r--r-- | target/linux/mediatek/patches/0039-clocksource-mediatek-Don-t-run-event_handler-if-it-i.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches/0039-clocksource-mediatek-Don-t-run-event_handler-if-it-i.patch b/target/linux/mediatek/patches/0039-clocksource-mediatek-Don-t-run-event_handler-if-it-i.patch new file mode 100644 index 0000000..aabe849 --- /dev/null +++ b/target/linux/mediatek/patches/0039-clocksource-mediatek-Don-t-run-event_handler-if-it-i.patch @@ -0,0 +1,32 @@ +From 9d4cba66a74cbdf25f43a7a8cc360370214ba5fc Mon Sep 17 00:00:00 2001 +From: "Joe.C" <yingjoe.chen@mediatek.com> +Date: Fri, 1 May 2015 15:43:24 +0800 +Subject: [PATCH 39/76] clocksource: mediatek: Don't run event_handler if it + is NULL + +Spurious timer interrupt is noticed in mtk timer and cause kernel +crash. In mtk_timer_interrupt(), only run event_handler if it is +not NULL. + +Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com> +--- + drivers/clocksource/mtk_timer.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/clocksource/mtk_timer.c b/drivers/clocksource/mtk_timer.c +index 68ab423..85e0ab5 100644 +--- a/drivers/clocksource/mtk_timer.c ++++ b/drivers/clocksource/mtk_timer.c +@@ -143,7 +143,8 @@ static irqreturn_t mtk_timer_interrupt(int irq, void *dev_id) + + /* Acknowledge timer0 irq */ + writel(GPT_IRQ_ACK(GPT_CLK_EVT), evt->gpt_base + GPT_IRQ_ACK_REG); +- evt->dev.event_handler(&evt->dev); ++ if (evt->dev.event_handler) ++ evt->dev.event_handler(&evt->dev); + + return IRQ_HANDLED; + } +-- +1.7.10.4 + |