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irqdomain/msi: Use fwnode instead of of_node 

As we continue to push of_node towards the outskirts of irq domains,
let's start tackling the case of msi_create_irq_domain and its little
friends.

This has limited impact in both PCI/MSI, platform MSI, and a few
drivers.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Cc: Graeme Gregory <graeme@xora.org.uk>
Cc: Jake Oshins <jakeo@microsoft.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Link: http://lkml.kernel.org/r/1444737105-31573-17-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Marc Zyngier 2015-10-13 12:51:44 +01:00 committed by Thomas Gleixner
parent 2a5e9a072d
commit be5436c83a
8 changed files with 27 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/base/platform-msi.c
View File

@ -152,7 +152,7 @@ static int platform_msi_alloc_descs(struct device *dev, int nvec,
/**
* platform_msi_create_irq_domain - Create a platform MSI interrupt domain
* @np: Optional device-tree node of the interrupt controller
* @fwnode: Optional fwnode of the interrupt controller
* @info: MSI domain info
* @parent: Parent irq domain
*
@ -162,7 +162,7 @@ static int platform_msi_alloc_descs(struct device *dev, int nvec,
* Returns:
* A domain pointer or NULL in case of failure.
*/
struct irq_domain *platform_msi_create_irq_domain(struct device_node *np,
struct irq_domain *platform_msi_create_irq_domain(struct fwnode_handle *fwnode,
struct msi_domain_info *info,
struct irq_domain *parent)
{
@ -173,7 +173,7 @@ struct irq_domain *platform_msi_create_irq_domain(struct device_node *np,
if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS)
platform_msi_update_chip_ops(info);
domain = msi_create_irq_domain(np, info, parent);
domain = msi_create_irq_domain(fwnode, info, parent);
if (domain)
domain->bus_token = DOMAIN_BUS_PLATFORM_MSI;

5
drivers/irqchip/irq-gic-v2m.c
View File

@ -308,9 +308,10 @@ static int __init gicv2m_init_one(struct device_node *node,
inner_domain->bus_token = DOMAIN_BUS_NEXUS;
inner_domain->parent = parent;
pci_domain = pci_msi_create_irq_domain(node, &gicv2m_msi_domain_info,
pci_domain = pci_msi_create_irq_domain(of_node_to_fwnode(node),
&gicv2m_msi_domain_info,
inner_domain);
plat_domain = platform_msi_create_irq_domain(node,
plat_domain = platform_msi_create_irq_domain(of_node_to_fwnode(node),
&gicv2m_pmsi_domain_info,
inner_domain);
if (!pci_domain || !plat_domain) {

3
drivers/irqchip/irq-gic-v3-its-pci-msi.c
View File

@ -125,7 +125,8 @@ static int __init its_pci_msi_init(void)
continue;
}
if (!pci_msi_create_irq_domain(np, &its_pci_msi_domain_info,
if (!pci_msi_create_irq_domain(of_node_to_fwnode(np),
&its_pci_msi_domain_info,
parent)) {
pr_err("%s: unable to create PCI domain\n",
np->full_name);

3
drivers/irqchip/irq-gic-v3-its-platform-msi.c
View File

@ -78,7 +78,8 @@ static int __init its_pmsi_init(void)
continue;
}
if (!platform_msi_create_irq_domain(np, &its_pmsi_domain_info,
if (!platform_msi_create_irq_domain(of_node_to_fwnode(np),
&its_pmsi_domain_info,
parent)) {
pr_err("%s: unable to create platform domain\n",
np->full_name);

2
drivers/pci/host/pci-xgene-msi.c
View File

@ -256,7 +256,7 @@ static int xgene_allocate_domains(struct xgene_msi *msi)
if (!msi->inner_domain)
return -ENOMEM;
msi->msi_domain = pci_msi_create_irq_domain(msi->node,
msi->msi_domain = pci_msi_create_irq_domain(of_node_to_fwnode(msi->node),
&xgene_msi_domain_info,
msi->inner_domain);

14
drivers/pci/msi.c
View File

@ -1246,8 +1246,8 @@ static void pci_msi_domain_update_chip_ops(struct msi_domain_info *info)
}
/**
* pci_msi_create_irq_domain - Creat a MSI interrupt domain
* @node: Optional device-tree node of the interrupt controller
* pci_msi_create_irq_domain - Create a MSI interrupt domain
* @fwnode: Optional fwnode of the interrupt controller
* @info: MSI domain info
* @parent: Parent irq domain
*
@ -1256,7 +1256,7 @@ static void pci_msi_domain_update_chip_ops(struct msi_domain_info *info)
* Returns:
* A domain pointer or NULL in case of failure.
*/
struct irq_domain *pci_msi_create_irq_domain(struct device_node *node,
struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode,
struct msi_domain_info *info,
struct irq_domain *parent)
{
@ -1267,7 +1267,7 @@ struct irq_domain *pci_msi_create_irq_domain(struct device_node *node,
if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS)
pci_msi_domain_update_chip_ops(info);
domain = msi_create_irq_domain(node, info, parent);
domain = msi_create_irq_domain(fwnode, info, parent);
if (!domain)
return NULL;
@ -1303,14 +1303,14 @@ void pci_msi_domain_free_irqs(struct irq_domain *domain, struct pci_dev *dev)
/**
* pci_msi_create_default_irq_domain - Create a default MSI interrupt domain
* @node: Optional device-tree node of the interrupt controller
* @fwnode: Optional fwnode of the interrupt controller
* @info: MSI domain info
* @parent: Parent irq domain
*
* Returns: A domain pointer or NULL in case of failure. If successful
* the default PCI/MSI irqdomain pointer is updated.
*/
struct irq_domain *pci_msi_create_default_irq_domain(struct device_node *node,
struct irq_domain *pci_msi_create_default_irq_domain(struct fwnode_handle *fwnode,
struct msi_domain_info *info, struct irq_domain *parent)
{
struct irq_domain *domain;
@ -1320,7 +1320,7 @@ struct irq_domain *pci_msi_create_default_irq_domain(struct device_node *node,
pr_err("PCI: default irq domain for PCI MSI has already been created.\n");
domain = NULL;
} else {
domain = pci_msi_create_irq_domain(node, info, parent);
domain = pci_msi_create_irq_domain(fwnode, info, parent);
pci_msi_default_domain = domain;
}
mutex_unlock(&pci_msi_domain_lock);

9
include/linux/msi.h
View File

@ -174,6 +174,7 @@ struct msi_controller {
struct irq_domain;
struct irq_chip;
struct device_node;
struct fwnode_handle;
struct msi_domain_info;
/**
@ -262,7 +263,7 @@ enum {
int msi_domain_set_affinity(struct irq_data *data, const struct cpumask *mask,
bool force);
struct irq_domain *msi_create_irq_domain(struct device_node *of_node,
struct irq_domain *msi_create_irq_domain(struct fwnode_handle *fwnode,
struct msi_domain_info *info,
struct irq_domain *parent);
int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
@ -270,7 +271,7 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
void msi_domain_free_irqs(struct irq_domain *domain, struct device *dev);
struct msi_domain_info *msi_get_domain_info(struct irq_domain *domain);
struct irq_domain *platform_msi_create_irq_domain(struct device_node *np,
struct irq_domain *platform_msi_create_irq_domain(struct fwnode_handle *fwnode,
struct msi_domain_info *info,
struct irq_domain *parent);
int platform_msi_domain_alloc_irqs(struct device *dev, unsigned int nvec,
@ -280,13 +281,13 @@ void platform_msi_domain_free_irqs(struct device *dev);
#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN
void pci_msi_domain_write_msg(struct irq_data *irq_data, struct msi_msg *msg);
struct irq_domain *pci_msi_create_irq_domain(struct device_node *node,
struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode,
struct msi_domain_info *info,
struct irq_domain *parent);
int pci_msi_domain_alloc_irqs(struct irq_domain *domain, struct pci_dev *dev,
int nvec, int type);
void pci_msi_domain_free_irqs(struct irq_domain *domain, struct pci_dev *dev);
struct irq_domain *pci_msi_create_default_irq_domain(struct device_node *node,
struct irq_domain *pci_msi_create_default_irq_domain(struct fwnode_handle *fwnode,
struct msi_domain_info *info, struct irq_domain *parent);
irq_hw_number_t pci_msi_domain_calc_hwirq(struct pci_dev *dev,

8
kernel/irq/msi.c
View File

@ -239,11 +239,11 @@ static void msi_domain_update_chip_ops(struct msi_domain_info *info)
/**
* msi_create_irq_domain - Create a MSI interrupt domain
* @of_node: Optional device-tree node of the interrupt controller
* @fwnode: Optional fwnode of the interrupt controller
* @info: MSI domain info
* @parent: Parent irq domain
*/
struct irq_domain *msi_create_irq_domain(struct device_node *node,
struct irq_domain *msi_create_irq_domain(struct fwnode_handle *fwnode,
struct msi_domain_info *info,
struct irq_domain *parent)
{
@ -252,8 +252,8 @@ struct irq_domain *msi_create_irq_domain(struct device_node *node,
if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS)
msi_domain_update_chip_ops(info);
return irq_domain_add_hierarchy(parent, 0, 0, node, &msi_domain_ops,
info);
return irq_domain_create_hierarchy(parent, 0, 0, fwnode,
&msi_domain_ops, info);
}
/**