All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] irqchip/loongson-htpic: Fix build warnings
@ 2020-12-05  9:15 Huacai Chen
  2020-12-11 14:58 ` [irqchip: irq/irqchip-next] " irqchip-bot for Huacai Chen
  2020-12-11 15:01   ` Marc Zyngier
  0 siblings, 2 replies; 5+ messages in thread
From: Huacai Chen @ 2020-12-05  9:15 UTC (permalink / raw)
  To: Thomas Bogendoerfer, Thomas Gleixner, Jason Cooper, Marc Zyngier
  Cc: linux-mips, Jiaxun Yang, Huacai Chen

Fix build warnings as below:

   drivers/irqchip/irq-loongson-htpic.c: In function 'htpic_reg_init':
>> drivers/irqchip/irq-loongson-htpic.c:62:12: warning: variable 'val' set but not used [-Wunused-but-set-variable]
      62 |   uint32_t val;
         |            ^~~
   drivers/irqchip/irq-loongson-htpic.c: At top level:
>> drivers/irqchip/irq-loongson-htpic.c:84:12: warning: no previous prototype for 'htpic_of_init' [-Wmissing-prototypes]
      84 | int __init htpic_of_init(struct device_node *node, struct device_node *parent)
         |            ^~~~~~~~~~~~~

Fixes: a93f1d903fa34fc2c5d9fa450bd ("irqchip: Add driver for Loongson-3 HyperTransport PIC controller")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Huacai Chen <chenhuacai@kernel.org>
---
 drivers/irqchip/irq-loongson-htpic.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/irqchip/irq-loongson-htpic.c b/drivers/irqchip/irq-loongson-htpic.c
index 63f7280..1b801c4 100644
--- a/drivers/irqchip/irq-loongson-htpic.c
+++ b/drivers/irqchip/irq-loongson-htpic.c
@@ -59,11 +59,10 @@ static void htpic_reg_init(void)
 	int i;
 
 	for (i = 0; i < HTINT_NUM_VECTORS; i++) {
-		uint32_t val;
-
 		/* Disable all HT Vectors */
 		writel(0x0, htpic->base + HTINT_EN_OFF + i * 0x4);
-		val = readl(htpic->base + i * 0x4);
+		/* Read back to force write */
+		(void) readl(htpic->base + i * 0x4);
 		/* Ack all possible pending IRQs */
 		writel(GENMASK(31, 0), htpic->base + i * 0x4);
 	}
@@ -81,7 +80,7 @@ struct syscore_ops htpic_syscore_ops = {
 	.resume		= htpic_resume,
 };
 
-int __init htpic_of_init(struct device_node *node, struct device_node *parent)
+static int __init htpic_of_init(struct device_node *node, struct device_node *parent)
 {
 	unsigned int parent_irq[4];
 	int i, err;
-- 
2.7.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [irqchip: irq/irqchip-next] irqchip/loongson-htpic: Fix build warnings
  2020-12-05  9:15 [PATCH] irqchip/loongson-htpic: Fix build warnings Huacai Chen
@ 2020-12-11 14:58 ` irqchip-bot for Huacai Chen
  2020-12-11 15:01   ` Marc Zyngier
  1 sibling, 0 replies; 5+ messages in thread
From: irqchip-bot for Huacai Chen @ 2020-12-11 14:58 UTC (permalink / raw)
  To: linux-kernel; +Cc: kernel test robot, Huacai Chen, Marc Zyngier, tglx

The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID:     3ee36352e26935c7e8145eb4e7ed38b536ca01fc
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/3ee36352e26935c7e8145eb4e7ed38b536ca01fc
Author:        Huacai Chen <chenhuacai@kernel.org>
AuthorDate:    Sat, 05 Dec 2020 17:15:44 +08:00
Committer:     Marc Zyngier <maz@kernel.org>
CommitterDate: Fri, 11 Dec 2020 14:40:17 

irqchip/loongson-htpic: Fix build warnings

Fix build warnings as below:

   drivers/irqchip/irq-loongson-htpic.c: In function 'htpic_reg_init':
>> drivers/irqchip/irq-loongson-htpic.c:62:12: warning: variable 'val' set but not used [-Wunused-but-set-variable]
      62 |   uint32_t val;
         |            ^~~
   drivers/irqchip/irq-loongson-htpic.c: At top level:
>> drivers/irqchip/irq-loongson-htpic.c:84:12: warning: no previous prototype for 'htpic_of_init' [-Wmissing-prototypes]
      84 | int __init htpic_of_init(struct device_node *node, struct device_node *parent)
         |            ^~~~~~~~~~~~~

Fixes: a93f1d903fa34fc2c5d9fa450bd ("irqchip: Add driver for Loongson-3 HyperTransport PIC controller")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Huacai Chen <chenhuacai@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1607159744-995-1-git-send-email-chenhuacai@kernel.org
---
 drivers/irqchip/irq-loongson-htpic.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/irqchip/irq-loongson-htpic.c b/drivers/irqchip/irq-loongson-htpic.c
index 63f7280..1b801c4 100644
--- a/drivers/irqchip/irq-loongson-htpic.c
+++ b/drivers/irqchip/irq-loongson-htpic.c
@@ -59,11 +59,10 @@ static void htpic_reg_init(void)
 	int i;
 
 	for (i = 0; i < HTINT_NUM_VECTORS; i++) {
-		uint32_t val;
-
 		/* Disable all HT Vectors */
 		writel(0x0, htpic->base + HTINT_EN_OFF + i * 0x4);
-		val = readl(htpic->base + i * 0x4);
+		/* Read back to force write */
+		(void) readl(htpic->base + i * 0x4);
 		/* Ack all possible pending IRQs */
 		writel(GENMASK(31, 0), htpic->base + i * 0x4);
 	}
@@ -81,7 +80,7 @@ struct syscore_ops htpic_syscore_ops = {
 	.resume		= htpic_resume,
 };
 
-int __init htpic_of_init(struct device_node *node, struct device_node *parent)
+static int __init htpic_of_init(struct device_node *node, struct device_node *parent)
 {
 	unsigned int parent_irq[4];
 	int i, err;

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH] irqchip/loongson-htpic: Fix build warnings
  2020-12-05  9:15 [PATCH] irqchip/loongson-htpic: Fix build warnings Huacai Chen
@ 2020-12-11 15:01   ` Marc Zyngier
  2020-12-11 15:01   ` Marc Zyngier
  1 sibling, 0 replies; 5+ messages in thread
From: Marc Zyngier @ 2020-12-11 15:01 UTC (permalink / raw)
  To: shawnguo, linux, leoyang.li, mark.rutland, zhiqiang.hou,
	Biwen Li, robh+dt, tglx, Huacai Chen, Thomas Bogendoerfer
  Cc: xiaobo.xie, Hou Zhiqiang, devicetree, linux-arm-kernel, Biwen Li,
	linux-kernel, jiafei.pan, linux-mips, Jiaxun Yang

On Sat, 5 Dec 2020 17:15:44 +0800, Huacai Chen wrote:
> Fix build warnings as below:
> 
>    drivers/irqchip/irq-loongson-htpic.c: In function 'htpic_reg_init':
> >> drivers/irqchip/irq-loongson-htpic.c:62:12: warning: variable 'val' set but not used [-Wunused-but-set-variable]
>       62 |   uint32_t val;
>          |            ^~~
>    drivers/irqchip/irq-loongson-htpic.c: At top level:
> >> drivers/irqchip/irq-loongson-htpic.c:84:12: warning: no previous prototype for 'htpic_of_init' [-Wmissing-prototypes]
>       84 | int __init htpic_of_init(struct device_node *node, struct device_node *parent)
>          |            ^~~~~~~~~~~~~

Applied to irq/irqchip-next, thanks!

[1/1] irqchip/loongson-htpic: Fix build warnings
      commit: 3ee36352e26935c7e8145eb4e7ed38b536ca01fc

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.



^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] irqchip/loongson-htpic: Fix build warnings
@ 2020-12-11 15:01   ` Marc Zyngier
  0 siblings, 0 replies; 5+ messages in thread
From: Marc Zyngier @ 2020-12-11 15:01 UTC (permalink / raw)
  To: shawnguo, linux, leoyang.li, mark.rutland, zhiqiang.hou,
	Biwen Li, robh+dt, tglx, Huacai Chen, Thomas Bogendoerfer
  Cc: devicetree, Biwen Li, Hou Zhiqiang, linux-kernel, Jiaxun Yang,
	xiaobo.xie, jiafei.pan, linux-mips, linux-arm-kernel

On Sat, 5 Dec 2020 17:15:44 +0800, Huacai Chen wrote:
> Fix build warnings as below:
> 
>    drivers/irqchip/irq-loongson-htpic.c: In function 'htpic_reg_init':
> >> drivers/irqchip/irq-loongson-htpic.c:62:12: warning: variable 'val' set but not used [-Wunused-but-set-variable]
>       62 |   uint32_t val;
>          |            ^~~
>    drivers/irqchip/irq-loongson-htpic.c: At top level:
> >> drivers/irqchip/irq-loongson-htpic.c:84:12: warning: no previous prototype for 'htpic_of_init' [-Wmissing-prototypes]
>       84 | int __init htpic_of_init(struct device_node *node, struct device_node *parent)
>          |            ^~~~~~~~~~~~~

Applied to irq/irqchip-next, thanks!

[1/1] irqchip/loongson-htpic: Fix build warnings
      commit: 3ee36352e26935c7e8145eb4e7ed38b536ca01fc

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.



_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [PATCH] irqchip/loongson-htpic: Fix build warnings
@ 2020-12-05  9:05 Huacai Chen
  0 siblings, 0 replies; 5+ messages in thread
From: Huacai Chen @ 2020-12-05  9:05 UTC (permalink / raw)
  To: Thomas Bogendoerfer, Thomas Gleixner, Jason Cooper, Marc Zyngier
  Cc: linux-mips, Jiaxun Yang, Huacai Chen

Fix build warnings as below:

   drivers/irqchip/irq-loongson-htpic.c: In function 'htpic_reg_init':
>> drivers/irqchip/irq-loongson-htpic.c:62:12: warning: variable 'val' set but not used [-Wunused-but-set-variable]
      62 |   uint32_t val;
         |            ^~~
   drivers/irqchip/irq-loongson-htpic.c: At top level:
>> drivers/irqchip/irq-loongson-htpic.c:84:12: warning: no previous prototype for 'htpic_of_init' [-Wmissing-prototypes]
      84 | int __init htpic_of_init(struct device_node *node, struct device_node *parent)
         |            ^~~~~~~~~~~~~

Fixes: a93f1d903fa34fc2c5d9fa450bd ("irqchip: Add driver for Loongson-3 HyperTransport PIC controller")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Huacai Chen <chenhuacai@kernel.org>
---
 drivers/irqchip/irq-loongson-htpic.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/irqchip/irq-loongson-htpic.c b/drivers/irqchip/irq-loongson-htpic.c
index 63f7280..1b801c4 100644
--- a/drivers/irqchip/irq-loongson-htpic.c
+++ b/drivers/irqchip/irq-loongson-htpic.c
@@ -59,11 +59,10 @@ static void htpic_reg_init(void)
 	int i;
 
 	for (i = 0; i < HTINT_NUM_VECTORS; i++) {
-		uint32_t val;
-
 		/* Disable all HT Vectors */
 		writel(0x0, htpic->base + HTINT_EN_OFF + i * 0x4);
-		val = readl(htpic->base + i * 0x4);
+		/* Read back to force write */
+		(void) readl(htpic->base + i * 0x4);
 		/* Ack all possible pending IRQs */
 		writel(GENMASK(31, 0), htpic->base + i * 0x4);
 	}
@@ -81,7 +80,7 @@ struct syscore_ops htpic_syscore_ops = {
 	.resume		= htpic_resume,
 };
 
-int __init htpic_of_init(struct device_node *node, struct device_node *parent)
+static int __init htpic_of_init(struct device_node *node, struct device_node *parent)
 {
 	unsigned int parent_irq[4];
 	int i, err;
-- 
2.7.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2020-12-11 15:38 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-12-05  9:15 [PATCH] irqchip/loongson-htpic: Fix build warnings Huacai Chen
2020-12-11 14:58 ` [irqchip: irq/irqchip-next] " irqchip-bot for Huacai Chen
2020-12-11 15:01 ` [PATCH] " Marc Zyngier
2020-12-11 15:01   ` Marc Zyngier
  -- strict thread matches above, loose matches on Subject: below --
2020-12-05  9:05 Huacai Chen

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.