From: Yingjoe Chen <yingjoe.chen@mediatek.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
Jiang Liu <jiang.liu@linux.intel.com>,
Bjorn Helgaas <bhelgaas@google.com>,
Grant Likely <grant.likely@linaro.org>,
Marc Zyngier <marc.zyngier@arm.com>,
Yijing Wang <wangyijing@huawei.com>
Subject: Re: [patch 07/16] genirq: Introduce helper irq_domain_set_info() to reduce duplicated code
Date: Thu, 13 Nov 2014 17:57:29 +0800 [thread overview]
Message-ID: <1415872649.17958.37.camel@mtksdaap41> (raw)
In-Reply-To: <20141112134120.393705922@linutronix.de>
On Wed, 2014-11-12 at 13:43 +0000, Thomas Gleixner wrote:
> plain text document attachment
> (rfc-part4-v1-02-17-genirq-introduce-helper-irq_domain_set_info-to-reduce-duplicated-code.patch)
> From: Jiang Liu <jiang.liu@linux.intel.com>
>
> Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Grant Likely <grant.likely@linaro.org>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
> Cc: Yingjoe Chen <yingjoe.chen@mediatek.com>
> Cc: Yijing Wang <wangyijing@huawei.com>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> ---
> include/linux/irqdomain.h | 5 +++++
> kernel/irq/irqdomain.c | 10 ++++++++++
> 2 files changed, 15 insertions(+)
>
> Index: tip/include/linux/irqdomain.h
> ===================================================================
> --- tip.orig/include/linux/irqdomain.h
> +++ tip/include/linux/irqdomain.h
> @@ -33,6 +33,7 @@
> #define _LINUX_IRQDOMAIN_H
>
> #include <linux/types.h>
> +#include <linux/irqhandler.h>
> #include <linux/radix-tree.h>
>
> struct device_node;
> @@ -263,6 +264,10 @@ extern int irq_domain_set_hwirq_and_chip
> irq_hw_number_t hwirq,
> struct irq_chip *chip,
> void *chip_data);
> +extern void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
> + irq_hw_number_t hwirq, struct irq_chip *chip,
> + void *chip_data, irq_flow_handler_t handler,
> + void *handler_data, const char *handler_name);
> extern void irq_domain_reset_irq_data(struct irq_data *irq_data);
> extern void irq_domain_free_irqs_common(struct irq_domain *domain,
> int virq, int nr_irqs);
> Index: tip/kernel/irq/irqdomain.c
> ===================================================================
> --- tip.orig/kernel/irq/irqdomain.c
> +++ tip/kernel/irq/irqdomain.c
> @@ -882,6 +882,16 @@ int irq_domain_set_hwirq_and_chip(struct
> return 0;
> }
>
> +void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
> + irq_hw_number_t hwirq, struct irq_chip *chip,
> + void *chip_data, irq_flow_handler_t handler,
> + void *handler_data, const char *handler_name)
> +{
> + irq_domain_set_hwirq_and_chip(domain, virq, hwirq, chip, chip_data);
> + __irq_set_handler(virq, handler, 0, handler_name);
> + irq_set_handler_data(virq, handler_data);
> +}
> +
Hi,
While trying to use this function, I'm not sure about its interface.
This function have 8 parameters but only save 3 function calls. After
checking uses in Jiang's original patch, I think this make code harder
to understand.
Joe.C
next prev parent reply other threads:[~2014-11-13 9:57 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-12 13:42 [patch 00/16] genirq: Hierarchical irq domains and generic MSI interrupt code Thomas Gleixner
2014-11-12 13:42 ` [patch 01/16] irqdomain: Introduce new interfaces to support hierarchy irqdomains Thomas Gleixner
2014-11-18 9:24 ` Yun Wu (Abel)
2014-11-18 9:54 ` Thomas Gleixner
2014-11-18 11:48 ` Yun Wu (Abel)
2014-11-24 12:33 ` Yun Wu (Abel)
2014-11-24 13:13 ` Thomas Gleixner
2014-11-24 14:01 ` Yun Wu (Abel)
2014-11-24 14:11 ` Jiang Liu
2014-11-24 14:19 ` Yun Wu (Abel)
2014-11-24 14:33 ` Jiang Liu
2014-11-24 14:46 ` Yun Wu (Abel)
2014-11-24 14:32 ` Thomas Gleixner
2014-11-24 14:45 ` Yun Wu (Abel)
2014-11-12 13:42 ` [patch 02/16] irqdomain: Do irq_find_mapping and set_type for hierarchy irqdomain in case OF Thomas Gleixner
2014-11-12 13:42 ` [patch 03/16] genirq: Introduce helper functions to support stacked irq_chip Thomas Gleixner
2014-11-12 13:42 ` [patch 04/16] genirq: Introduce irq_chip.irq_compose_msi_msg() to support stacked irqchip Thomas Gleixner
2014-11-18 9:26 ` Yun Wu (Abel)
2014-11-18 10:02 ` Thomas Gleixner
2014-11-18 11:47 ` Yun Wu (Abel)
2014-11-18 12:43 ` Jiang Liu
2014-11-18 13:16 ` Yun Wu (Abel)
2014-11-18 13:25 ` Jiang Liu
2014-11-18 13:48 ` Yun Wu (Abel)
2014-11-18 13:55 ` Jiang Liu
2014-11-18 14:03 ` Yun Wu (Abel)
2014-11-18 14:06 ` Jiang Liu
2014-11-12 13:42 ` [patch 05/16] genirq: Add IRQ_SET_MASK_OK_DONE " Thomas Gleixner
2014-11-12 13:43 ` [patch 06/16] genirq: Split out flow handler typedefs into seperate header file Thomas Gleixner
2014-11-12 13:43 ` [patch 07/16] genirq: Introduce helper irq_domain_set_info() to reduce duplicated code Thomas Gleixner
2014-11-13 9:57 ` Yingjoe Chen [this message]
2014-11-13 10:00 ` Jiang Liu
2014-11-13 10:48 ` Marc Zyngier
2014-11-14 15:31 ` Marc Zyngier
2014-11-14 15:41 ` Jiang Liu
2014-11-14 17:35 ` Marc Zyngier
2014-11-15 1:26 ` Jiang Liu
2014-11-18 9:26 ` Yun Wu (Abel)
2014-11-18 10:03 ` Thomas Gleixner
2014-11-18 11:47 ` Yun Wu (Abel)
2014-11-18 12:38 ` Jiang Liu
2014-11-18 13:28 ` Yun Wu (Abel)
2014-11-18 13:37 ` Jiang Liu
2014-11-12 13:43 ` [patch 08/16] genirq: Introduce callback irq_chip.irq_write_msi_msg Thomas Gleixner
2014-11-18 9:26 ` Yun Wu (Abel)
2014-11-18 10:19 ` Thomas Gleixner
2014-11-18 13:33 ` Yun Wu (Abel)
2014-11-18 13:43 ` Jiang Liu
2014-11-18 13:52 ` Yun Wu (Abel)
2014-11-18 14:03 ` Jiang Liu
2014-11-18 14:15 ` Jiang Liu
2014-11-18 14:22 ` Yun Wu (Abel)
2014-11-18 14:29 ` Jiang Liu
2014-11-18 14:46 ` Yun Wu (Abel)
2014-11-18 17:14 ` Marc Zyngier
2014-11-19 3:38 ` Yun Wu (Abel)
2014-11-19 8:55 ` Marc Zyngier
2014-11-18 14:32 ` Thomas Gleixner
2014-11-19 6:57 ` Yun Wu (Abel)
2014-11-19 8:02 ` Jiang Liu
2014-11-19 9:20 ` Marc Zyngier
2014-12-10 9:26 ` Yun Wu (Abel)
2014-11-18 14:19 ` Thomas Gleixner
2014-11-18 14:34 ` Yun Wu (Abel)
2014-11-18 14:52 ` Jiang Liu
2014-11-19 3:47 ` Yun Wu (Abel)
2014-11-19 11:09 ` Thomas Gleixner
2014-11-18 17:21 ` Marc Zyngier
2014-11-19 3:40 ` Yun Wu (Abel)
2014-11-19 11:11 ` Thomas Gleixner
2014-12-10 9:11 ` Yun Wu (Abel)
2014-12-10 10:25 ` Thomas Gleixner
2014-12-11 3:01 ` Yun Wu (Abel)
2014-11-18 13:51 ` Jiang Liu
2014-11-12 13:43 ` [patch 09/16] genirq: Add generic msi irq domain support Thomas Gleixner
2014-11-18 12:07 ` Yun Wu (Abel)
2014-11-18 12:49 ` Jiang Liu
2014-11-18 13:55 ` Yun Wu (Abel)
2014-11-18 14:24 ` Thomas Gleixner
2014-11-18 14:39 ` Yun Wu (Abel)
2014-11-20 2:29 ` Jiang Liu
2014-11-12 13:43 ` [patch 10/16] PCI/MSI: Move cached entry functions to irq core Thomas Gleixner
2014-11-12 13:43 ` [patch 11/16] PCI/MSI: Remove unnecessary braces around single statements Thomas Gleixner
2014-11-12 13:43 ` [patch 12/16] PCI/MSI: Simplify PCI MSI code by initializing msi_desc.nvec_used earlier Thomas Gleixner
2014-11-12 13:43 ` [patch 13/16] PCI/MSI: Kill redundant call of irq_set_msi_desc() for MSI-X interrupts Thomas Gleixner
2014-11-12 13:43 ` [patch 14/16] PCI/MSI: Rename __read_msi_msg() to __pci_read_msi_msg() Thomas Gleixner
2014-11-12 13:43 ` [patch 15/16] PCI/MSI: Rename write_msi_msg() to pci_write_msi_msg() Thomas Gleixner
2014-11-12 16:50 ` Jiang Liu
2014-11-12 13:43 ` [patch 16/16] PCI/MSI: Enhance core to support hierarchy irqdomain Thomas Gleixner
2014-11-12 15:29 ` Marc Zyngier
2014-11-12 16:43 ` Thomas Gleixner
2014-11-12 14:13 ` [patch 00/16] genirq: Hierarchical irq domains and generic MSI interrupt code Yingjoe Chen
2014-11-12 14:48 ` Thomas Gleixner
2014-11-18 9:24 ` Yun Wu (Abel)
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