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[GIT PULL] clockevents for 4.5

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  [GIT PULL] clockevents for 4.5 Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-17 16:00 +0100
    [PATCH 59/69] clocksource/drivers/dw_apb_timer: Use {readl|writel}_relaxed in critical path Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:20 +0100
    [PATCH 11/69] clocksource/drivers/pxa_timer: Move the Kconfig rule Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:20 +0100
    [PATCH 31/69] clocksource/drivers/prcmu: Fix Kconfig and add COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:20 +0100
    [PATCH 03/69] clocksource/drivers/mtk_timer: Fix memleak in mtk_timer_init() Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:20 +0100
    [PATCH 41/69] clocksource/drivers/h8300_timer8: Remove unused headers Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:20 +0100
    [PATCH 05/69] clocksource/drivers/rockchip: Make the driver more readable Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:20 +0100
    [PATCH 01/69] clocksource/drivers/mtk_timer: Add pr_fmt define Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:20 +0100
      [PATCH 21/69] clocksource/drivers/dw_apb: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:20 +0100
      [PATCH 07/69] clocksource/drivers/rockchip: Remove dsb() usage Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:20 +0100
      [PATCH 34/69] clocksource/drivers/fsl-ftm: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:20 +0100
      [PATCH 25/69] clocksource/drivers/vt8500: Remove unneeded header Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:20 +0100
      [PATCH 53/69] clocksource/drivers/timer_sun5i: Replace code by clocksource_mmio_init Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:20 +0100
      [PATCH 49/69] clocksource/drivers/h8300_timer16: Remove unused macros Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 54/69] clocksource/drivers/h8300_timer8: Separate the Kconfig option from the arch Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 51/69] clocksource/drivers/h8300_timer16: Fix irq return value check Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 66/69] clocksource/drivers/h8300: Fix timer not overflow case Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 47/69] clocksource/drivers/h8300_timer8: Retrieve the clock rate at init time Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 60/69] clocksource/drivers/dw_apb_timer: Inline apbt_readl and apbt_writel Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 65/69] clocksource/drivers/h8300: Change to overflow interrupt Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 55/69] h8300: Rename ctlr_out/in[bwl] to raw_read/write[bwl] Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 52/69] clocksource/drivers/h8300_timer16: Remove pointless lock Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 64/69] clocksource/drivers/lpc32: Correct pr_err() output format Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 48/69] clocksource/drivers/h8300_timer16: Remove pointless headers Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 63/69] clocksource/drivers/arm_global_timer: Fix suspend resume Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 68/69] clocksource/drivers/h8300: Initializer cleanup. Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 56/69] clocksource/drivers/h8300: Increase the compilation test coverage Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 67/69] clocksource/drivers/h8300: Simplify delta handling Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 50/69] clocksource/drivers/h8300_timer16: Remove unused fields in timer16_priv Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 44/69] clocksource/drivers/h8300_timer8: Fix irq return value check Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 58/69] clocksource/drivers/dw_apb_timer: Fix apbt_readl return types Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 45/69] clocksource/drivers/h8300_timer8: Remove pointless irq re-entrant safe code Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 62/69] clocksource/drivers/pistachio: Fix wrong calculated clocksource read value Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 46/69] clocksource/drivers/h8300_timer8: Remove irq and lock legacy code Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 69/69] clocksource/drivers/h8300: Use ioread / iowrite Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 61/69] clockevents/drivers/arm_global_timer: Use writel_relaxed in gt_compare_set Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 57/69] clocksource/drivers/tango-xtal: Replace code by clocksource_mmio_init Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:30 +0100
      [PATCH 43/69] clocksource/drivers/h8300_timer8: Remove PERIODIC and ONESHOT macro Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 20/69] clocksource/drivers/digicolor: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 19/69] clocksource/drivers/orion: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 37/69] clocksource/drivers/h8300: Cleanup startup and remove module code. Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 30/69] clocksource/drivers/nomadik_mtu: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 40/69] clocksource/drivers/h8300_tpu: Remove pointless headers for TPU Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 39/69] clocksource/drivers/h8300_tpu: Remove unused macros Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 35/69] clocksource/drivers/Kconfig: Add missing GENERIC_CLOCKEVENTS dependency Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 27/69] clocksource/drivers/cadence_ttc: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 13/69] clocksource/drivers/tango: Add COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 17/69] clocksource/drivers/armada-370-xp: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 38/69] clocksource/drivers/h8300_timer8: Fix compilation error with dev_warn Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 42/69] clocksource/drivers/h8300_timer8: Remove unused macros Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 36/69] clocksource/drivers/dw_apb_timer_of: Implement ARM delay timer Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 26/69] clocksource/drivers/vt8500: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 22/69] clocksource/drivers/sun4i: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 12/69] clocksource/drivers/pxa_timer: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 23/69] clocksource/drivers/sun5i: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 28/69] clocksource/drivers/asm9260: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 18/69] clocksource/drivers/meson6: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 32/69] clocksource/drivers/exynos_mct: Fix Kconfig and add COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 24/69] clocksource/drivers/tegra2: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 29/69] clocksource/drivers/lpc32xx: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 33/69] clocksource/drivers/samsung-pwm: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:40 +0100
      [PATCH 14/69] clocksource/drivers/pistachio: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:50 +0100
      [PATCH 08/69] clocksource/drivers/qcom: Make COMPILE_TEST enabled for ARM architecture Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:50 +0100
      [PATCH 09/69] clocksource/drivers/st_lpc: Fix Kconfig dependency Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:50 +0100
      [PATCH 02/69] clocksource/drivers/mtk_timer: Fix pr_warn() messages in mtk_timer_init Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:50 +0100
        Re: [PATCH 02/69] clocksource/drivers/mtk_timer: Fix pr_warn()  messages in mtk_timer_init Matthias Brugger <matthias.bgg@gmail.com> - 2015-12-30 19:20 +0100
      [PATCH 15/69] clocksource/drivers/mediatek: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:50 +0100
        Re: [PATCH 15/69] clocksource/drivers/mediatek: Add the COMPILE_TEST  option Matthias Brugger <matthias.bgg@gmail.com> - 2015-12-30 19:20 +0100
      [PATCH 10/69] clocksource/drivers/st_lpc: Add the COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:50 +0100
      [PATCH 06/69] time: Define dummy functions for the generic sched clock Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:50 +0100
      [PATCH 16/69] clocksource/drivers/rockchip: Add COMPILE_TEST option Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:50 +0100
      [PATCH 04/69] clocksource/drivers/tegra: Allow timer irq affinity change Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-12-18 15:50 +0100

Page 4 of 4 — ← Prev page 1 2 3 [4]

#1294918 — [PATCH 33/69] clocksource/drivers/samsung-pwm: Add the COMPILE_TEST option

Increase the compilation test coverage by adding the COMPILE_TEST option.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/clocksource/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 2062783..3457a86 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -237,7 +237,7 @@ config CLKSRC_EXYNOS_MCT
 	  Support for Multi Core Timer controller on Exynos SoCs.
 
 config CLKSRC_SAMSUNG_PWM
-	bool
+	bool "PWM timer drvier for Samsung S3C, S5P" if COMPILE_TEST
 	help
 	  This is a new clocksource driver for the PWM timer found in
 	  Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
-- 
1.9.1

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#1294919 — [PATCH 14/69] clocksource/drivers/pistachio: Add the COMPILE_TEST option

Increase the compilation test coverage by adding the COMPILE_TEST option.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/clocksource/Kconfig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 8ea7140..96a34dc 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -121,8 +121,10 @@ config CLKSRC_LPC32XX
 	select CLKSRC_OF
 
 config CLKSRC_PISTACHIO
-	bool
+	bool "Clocksource for Pistachio SoC" if COMPILE_TEST
 	select CLKSRC_OF
+	help
+	  Enables the clocksource for the Pistachio SoC.
 
 config CLKSRC_TI_32K
 	bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
-- 
1.9.1

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#1294923 — [PATCH 08/69] clocksource/drivers/qcom: Make COMPILE_TEST enabled for ARM architecture

In order to be consistent with the rest of the drivers compilation, let's
introduce the COMPILE_TEST option. Unfortunately, the delay.h code is not
portable, so the compilation test coverage will be restricted to the ARM
architecture.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/clocksource/Kconfig | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 2eb5f0e..b423785 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -279,7 +279,12 @@ config EM_TIMER_STI
 	  such as EMEV2 from former NEC Electronics.
 
 config CLKSRC_QCOM
-	bool
+	bool "Qualcomm MSM timer" if COMPILE_TEST
+	depends on ARM
+	select CLKSRC_OF
+	help
+	  This enables the clocksource and the per CPU clockevent driver for the
+	  Qualcomm SoCs.
 
 config CLKSRC_VERSATILE
 	bool "ARM Versatile (Express) reference platforms clock source"
-- 
1.9.1

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#1294925 — [PATCH 09/69] clocksource/drivers/st_lpc: Fix Kconfig dependency

Change the Kconfig selection rule by letting the STI arch to select
the timer.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
---
 arch/arm/mach-sti/Kconfig   | 1 +
 drivers/clocksource/Kconfig | 1 -
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-sti/Kconfig b/arch/arm/mach-sti/Kconfig
index 125865d..12dd1dc 100644
--- a/arch/arm/mach-sti/Kconfig
+++ b/arch/arm/mach-sti/Kconfig
@@ -3,6 +3,7 @@ menuconfig ARCH_STI
 	select ARM_GIC
 	select ST_IRQCHIP
 	select ARM_GLOBAL_TIMER
+	select CLKSRC_ST_LPC
 	select PINCTRL
 	select PINCTRL_ST
 	select MFD_SYSCON
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index b423785..3594a2b 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -326,7 +326,6 @@ config CLKSRC_IMX_GPT
 
 config CLKSRC_ST_LPC
 	bool
-	depends on ARCH_STI
 	select CLKSRC_OF if OF
 	help
 	  Enable this option to use the Low Power controller timer
-- 
1.9.1

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#1294926 — [PATCH 02/69] clocksource/drivers/mtk_timer: Fix pr_warn() messages in mtk_timer_init

From: Alexey Klimov <alexey.klimov@linaro.org>

1) Change pr_warn()s to pr_err()s. These messages are actually errors and not
   warnings.
2) Add missing \n.
3) Error message for kzalloc() failure is removed per suggestion by Joe Perches.
   There is generic stack_dump() for allocation issues.

Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/clocksource/mtk_timer.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/clocksource/mtk_timer.c b/drivers/clocksource/mtk_timer.c
index 8f99cd7..e1e0642 100644
--- a/drivers/clocksource/mtk_timer.c
+++ b/drivers/clocksource/mtk_timer.c
@@ -189,10 +189,8 @@ static void __init mtk_timer_init(struct device_node *node)
 	struct clk *clk;
 
 	evt = kzalloc(sizeof(*evt), GFP_KERNEL);
-	if (!evt) {
-		pr_warn("Can't allocate mtk clock event driver struct");
+	if (!evt)
 		return;
-	}
 
 	evt->dev.name = "mtk_tick";
 	evt->dev.rating = 300;
@@ -206,31 +204,31 @@ static void __init mtk_timer_init(struct device_node *node)
 
 	evt->gpt_base = of_io_request_and_map(node, 0, "mtk-timer");
 	if (IS_ERR(evt->gpt_base)) {
-		pr_warn("Can't get resource\n");
+		pr_err("Can't get resource\n");
 		return;
 	}
 
 	evt->dev.irq = irq_of_parse_and_map(node, 0);
 	if (evt->dev.irq <= 0) {
-		pr_warn("Can't parse IRQ");
+		pr_err("Can't parse IRQ\n");
 		goto err_mem;
 	}
 
 	clk = of_clk_get(node, 0);
 	if (IS_ERR(clk)) {
-		pr_warn("Can't get timer clock");
+		pr_err("Can't get timer clock\n");
 		goto err_irq;
 	}
 
 	if (clk_prepare_enable(clk)) {
-		pr_warn("Can't prepare clock");
+		pr_err("Can't prepare clock\n");
 		goto err_clk_put;
 	}
 	rate = clk_get_rate(clk);
 
 	if (request_irq(evt->dev.irq, mtk_timer_interrupt,
 			IRQF_TIMER | IRQF_IRQPOLL, "mtk_timer", evt)) {
-		pr_warn("failed to setup irq %d\n", evt->dev.irq);
+		pr_err("failed to setup irq %d\n", evt->dev.irq);
 		goto err_clk_disable;
 	}
 
-- 
1.9.1

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#1299446 — Re: [PATCH 02/69] clocksource/drivers/mtk_timer: Fix pr_warn() messages in mtk_timer_init

On 18/12/15 15:17, Daniel Lezcano wrote:
> From: Alexey Klimov <alexey.klimov@linaro.org>
>
> 1) Change pr_warn()s to pr_err()s. These messages are actually errors and not
>     warnings.
> 2) Add missing \n.
> 3) Error message for kzalloc() failure is removed per suggestion by Joe Perches.
>     There is generic stack_dump() for allocation issues.
>
> Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> ---

Acked-by: Matthias Brugger <matthias.bgg@gmail.com>

>   drivers/clocksource/mtk_timer.c | 14 ++++++--------
>   1 file changed, 6 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/clocksource/mtk_timer.c b/drivers/clocksource/mtk_timer.c
> index 8f99cd7..e1e0642 100644
> --- a/drivers/clocksource/mtk_timer.c
> +++ b/drivers/clocksource/mtk_timer.c
> @@ -189,10 +189,8 @@ static void __init mtk_timer_init(struct device_node *node)
>   	struct clk *clk;
>
>   	evt = kzalloc(sizeof(*evt), GFP_KERNEL);
> -	if (!evt) {
> -		pr_warn("Can't allocate mtk clock event driver struct");
> +	if (!evt)
>   		return;
> -	}
>
>   	evt->dev.name = "mtk_tick";
>   	evt->dev.rating = 300;
> @@ -206,31 +204,31 @@ static void __init mtk_timer_init(struct device_node *node)
>
>   	evt->gpt_base = of_io_request_and_map(node, 0, "mtk-timer");
>   	if (IS_ERR(evt->gpt_base)) {
> -		pr_warn("Can't get resource\n");
> +		pr_err("Can't get resource\n");
>   		return;
>   	}
>
>   	evt->dev.irq = irq_of_parse_and_map(node, 0);
>   	if (evt->dev.irq <= 0) {
> -		pr_warn("Can't parse IRQ");
> +		pr_err("Can't parse IRQ\n");
>   		goto err_mem;
>   	}
>
>   	clk = of_clk_get(node, 0);
>   	if (IS_ERR(clk)) {
> -		pr_warn("Can't get timer clock");
> +		pr_err("Can't get timer clock\n");
>   		goto err_irq;
>   	}
>
>   	if (clk_prepare_enable(clk)) {
> -		pr_warn("Can't prepare clock");
> +		pr_err("Can't prepare clock\n");
>   		goto err_clk_put;
>   	}
>   	rate = clk_get_rate(clk);
>
>   	if (request_irq(evt->dev.irq, mtk_timer_interrupt,
>   			IRQF_TIMER | IRQF_IRQPOLL, "mtk_timer", evt)) {
> -		pr_warn("failed to setup irq %d\n", evt->dev.irq);
> +		pr_err("failed to setup irq %d\n", evt->dev.irq);
>   		goto err_clk_disable;
>   	}
>
>
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#1294929 — [PATCH 15/69] clocksource/drivers/mediatek: Add the COMPILE_TEST option

Increase the compilation test coverage by adding the COMPILE_TEST option.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/clocksource/Kconfig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 96a34dc..3ba43f6 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -228,9 +228,11 @@ config SYS_SUPPORTS_SH_CMT
         bool
 
 config MTK_TIMER
+	bool "Mediatek timer driver" if COMPILE_TEST
 	select CLKSRC_OF
 	select CLKSRC_MMIO
-	bool
+	help
+	  Support for Mediatek timer driver.
 
 config SYS_SUPPORTS_SH_MTU2
         bool
-- 
1.9.1

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#1299448 — Re: [PATCH 15/69] clocksource/drivers/mediatek: Add the COMPILE_TEST option

On 18/12/15 15:17, Daniel Lezcano wrote:
> Increase the compilation test coverage by adding the COMPILE_TEST option.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> ---

Acked-by: Matthias Brugger <matthias.bgg@gmail.com>

>   drivers/clocksource/Kconfig | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
> index 96a34dc..3ba43f6 100644
> --- a/drivers/clocksource/Kconfig
> +++ b/drivers/clocksource/Kconfig
> @@ -228,9 +228,11 @@ config SYS_SUPPORTS_SH_CMT
>           bool
>
>   config MTK_TIMER
> +	bool "Mediatek timer driver" if COMPILE_TEST
>   	select CLKSRC_OF
>   	select CLKSRC_MMIO
> -	bool
> +	help
> +	  Support for Mediatek timer driver.
>
>   config SYS_SUPPORTS_SH_MTU2
>           bool
>
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#1294930 — [PATCH 10/69] clocksource/drivers/st_lpc: Add the COMPILE_TEST option

Increase the compilation test coverage by adding the COMPILE_TEST option.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/clocksource/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 3594a2b..4117386 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -325,7 +325,7 @@ config CLKSRC_IMX_GPT
 	select CLKSRC_MMIO
 
 config CLKSRC_ST_LPC
-	bool
+	bool "Low power clocksource found in the LPC" if COMPILE_TEST
 	select CLKSRC_OF if OF
 	help
 	  Enable this option to use the Low Power controller timer
-- 
1.9.1

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#1294931 — [PATCH 06/69] time: Define dummy functions for the generic sched clock

When we try to compile a clocksource driver with the COMPILE_TEST option,
we can't select the GENERIC_SCHED_CLOCK because the sched_clock() symbol
will be duplicated with the one defined for the x86.

In order to fix that, we don't select the GENERIC_SCHED_CLOCK in the
driver Kconfig's file but we define some empty functions for the different
symbols in order to prevent the unresolved ones.

This patch fixes the COMPILE_TEST option for the compile test coverage for
the clocksource drivers. Without this patch, we can't add the COMPILE_TEST
option for the clocksource drivers using the GENERIC_SCHED_CLOCK.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 include/linux/sched_clock.h | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/include/linux/sched_clock.h b/include/linux/sched_clock.h
index efa931c..411b52e 100644
--- a/include/linux/sched_clock.h
+++ b/include/linux/sched_clock.h
@@ -10,11 +10,17 @@
 
 #ifdef CONFIG_GENERIC_SCHED_CLOCK
 extern void sched_clock_postinit(void);
-#else
-static inline void sched_clock_postinit(void) { }
-#endif
 
 extern void sched_clock_register(u64 (*read)(void), int bits,
 				 unsigned long rate);
+#else
+static inline void sched_clock_postinit(void) { }
+
+static inline void sched_clock_register(u64 (*read)(void), int bits,
+					unsigned long rate)
+{
+	;
+}
+#endif
 
 #endif
-- 
1.9.1

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#1294932 — [PATCH 16/69] clocksource/drivers/rockchip: Add COMPILE_TEST option

Increase the compilation test coverage by adding the COMPILE_TEST option.

Due to the dsb() usage in the driver, this driver is only compilable on
ARM and ARM64.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/clocksource/Kconfig | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 3ba43f6..0c06103 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -39,8 +39,11 @@ config DW_APB_TIMER_OF
 	select CLKSRC_OF
 
 config ROCKCHIP_TIMER
-	bool
+	bool "Rockchip timer driver" if COMPILE_TEST
+	depends on ARM || ARM64
 	select CLKSRC_OF
+	help
+	  Enables the support for the rockchip timer driver.
 
 config ARMADA_370_XP_TIMER
 	bool
-- 
1.9.1

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#1294933 — [PATCH 04/69] clocksource/drivers/tegra: Allow timer irq affinity change

From: Lucas Stach <dev@lynxeye.de>

Allow the timer core to change the smp affinity of the broadcast timer
irq by setting CLOCK_EVT_FEAT_DYNIRQ flag.

This reduces interrupt pressure and wakeups on CPU0 as well as vastly
reducing the number of timer broadcast IPIs.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/clocksource/tegra20_timer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/clocksource/tegra20_timer.c b/drivers/clocksource/tegra20_timer.c
index 6ebda11..38333ab 100644
--- a/drivers/clocksource/tegra20_timer.c
+++ b/drivers/clocksource/tegra20_timer.c
@@ -96,7 +96,8 @@ static struct clock_event_device tegra_clockevent = {
 	.name			= "timer0",
 	.rating			= 300,
 	.features		= CLOCK_EVT_FEAT_ONESHOT |
-				  CLOCK_EVT_FEAT_PERIODIC,
+				  CLOCK_EVT_FEAT_PERIODIC |
+				  CLOCK_EVT_FEAT_DYNIRQ,
 	.set_next_event		= tegra_timer_set_next_event,
 	.set_state_shutdown	= tegra_timer_shutdown,
 	.set_state_periodic	= tegra_timer_set_periodic,
-- 
1.9.1

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