AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-24 18:30:54 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

ACPI/IORT: Make iort_msi_map_rid() PCI agnostic

Browse Source 
There is nothing PCI specific in iort_msi_map_rid().

Rename the function using a bus protocol agnostic name,
iort_msi_map_id(), and convert current callers to it.

Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Hanjun Guo <guohanjun@huawei.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Link: https://lore.kernel.org/r/20200619082013.13661-4-lorenzo.pieralisi@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Lorenzo Pieralisi 2020-06-19 09:20:04 +01:00 committed by Catalin Marinas
parent d1718a1b7a
commit 39c3cf566c
3 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/acpi/arm64/iort.c
View File

@ -568,22 +568,22 @@ static struct acpi_iort_node *iort_find_dev_node(struct device *dev)
}
/**
* iort_msi_map_rid() - Map a MSI requester ID for a device
* iort_msi_map_id() - Map a MSI input ID for a device
* @dev: The device for which the mapping is to be done.
* @req_id: The device requester ID.
* @input_id: The device input ID.
*
* Returns: mapped MSI RID on success, input requester ID otherwise
* Returns: mapped MSI ID on success, input ID otherwise
*/
u32 iort_msi_map_rid(struct device *dev, u32 req_id)
u32 iort_msi_map_id(struct device *dev, u32 input_id)
{
struct acpi_iort_node *node;
u32 dev_id;
node = iort_find_dev_node(dev);
if (!node)
return req_id;
return input_id;
iort_node_map_id(node, req_id, &dev_id, IORT_MSI_TYPE);
iort_node_map_id(node, input_id, &dev_id, IORT_MSI_TYPE);
return dev_id;
}

2
drivers/pci/msi.c
View File

@ -1536,7 +1536,7 @@ u32 pci_msi_domain_get_msi_rid(struct irq_domain *domain, struct pci_dev *pdev)
of_node = irq_domain_get_of_node(domain);
rid = of_node ? of_msi_map_rid(&pdev->dev, of_node, rid) :
iort_msi_map_rid(&pdev->dev, rid);
iort_msi_map_id(&pdev->dev, rid);
return rid;
}

6
include/linux/acpi_iort.h
View File

@ -28,7 +28,7 @@ void iort_deregister_domain_token(int trans_id);
struct fwnode_handle *iort_find_domain_token(int trans_id);
#ifdef CONFIG_ACPI_IORT
void acpi_iort_init(void);
u32 iort_msi_map_rid(struct device *dev, u32 req_id);
u32 iort_msi_map_id(struct device *dev, u32 id);
struct irq_domain *iort_get_device_domain(struct device *dev, u32 id,
enum irq_domain_bus_token bus_token);
void acpi_configure_pmsi_domain(struct device *dev);
@ -39,8 +39,8 @@ const struct iommu_ops *iort_iommu_configure(struct device *dev);
int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head);
#else
static inline void acpi_iort_init(void) { }
static inline u32 iort_msi_map_rid(struct device *dev, u32 req_id)
{ return req_id; }
static inline u32 iort_msi_map_id(struct device *dev, u32 id)
{ return id; }
static inline struct irq_domain *iort_get_device_domain(
struct device *dev, u32 id, enum irq_domain_bus_token bus_token)
{ return NULL; }