[PATCH v2 05/13] powerpc/xive: Add a name to the IRQ domain

[Cédric Le Goater]

We hope one day to handle multiple irq_domain in the XIVE driver.
Start simple by setting the name using the DT node.

Signed-off-by: Cédric Le Goater <c...@kaod.org>
---
 arch/powerpc/sysdev/xive/xive-internal.h |  4 ++--
 arch/powerpc/sysdev/xive/common.c        | 10 +++++-----
 arch/powerpc/sysdev/xive/native.c        |  2 +-
 arch/powerpc/sysdev/xive/spapr.c         |  2 +-
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/powerpc/sysdev/xive/xive-internal.h 
b/arch/powerpc/sysdev/xive/xive-internal.h
index d701af7fb48c..c07fadb9d264 100644
--- a/arch/powerpc/sysdev/xive/xive-internal.h
+++ b/arch/powerpc/sysdev/xive/xive-internal.h
@@ -63,8 +63,8 @@ struct xive_ops {
        const char *name;
 };
 
-bool xive_core_init(const struct xive_ops *ops, void __iomem *area, u32 offset,
-                   u8 max_prio);
+bool xive_core_init(struct device_node *np, const struct xive_ops *ops,
+                   void __iomem *area, u32 offset, u8 max_prio);
 __be32 *xive_queue_page_alloc(unsigned int cpu, u32 queue_shift);
 int xive_core_debug_init(void);
 
diff --git a/arch/powerpc/sysdev/xive/common.c 
b/arch/powerpc/sysdev/xive/common.c
index 605238ca65e4..7314b87d0b45 100644
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c
@@ -1310,9 +1310,9 @@ static const struct irq_domain_ops xive_irq_domain_ops = {
        .xlate = xive_irq_domain_xlate,
 };
 
-static void __init xive_init_host(void)
+static void __init xive_init_host(struct device_node *np)
 {
-       xive_irq_domain = irq_domain_add_nomap(NULL, XIVE_MAX_IRQ,
+       xive_irq_domain = irq_domain_add_nomap(np, XIVE_MAX_IRQ,
                                               &xive_irq_domain_ops, NULL);
        if (WARN_ON(xive_irq_domain == NULL))
                return;
@@ -1508,8 +1508,8 @@ void xive_shutdown(void)
        xive_ops->shutdown();
 }
 
-bool __init xive_core_init(const struct xive_ops *ops, void __iomem *area, u32 
offset,
-                          u8 max_prio)
+bool __init xive_core_init(struct device_node *np, const struct xive_ops *ops,
+                          void __iomem *area, u32 offset, u8 max_prio)
 {
        xive_tima = area;
        xive_tima_offset = offset;
@@ -1520,7 +1520,7 @@ bool __init xive_core_init(const struct xive_ops *ops, 
void __iomem *area, u32 o
        __xive_enabled = true;
 
        pr_devel("Initializing host..\n");
-       xive_init_host();
+       xive_init_host(np);
 
        pr_devel("Initializing boot CPU..\n");
 
diff --git a/arch/powerpc/sysdev/xive/native.c 
b/arch/powerpc/sysdev/xive/native.c
index cb58ec7ce77a..c3182ec9ed65 100644
--- a/arch/powerpc/sysdev/xive/native.c
+++ b/arch/powerpc/sysdev/xive/native.c
@@ -622,7 +622,7 @@ bool __init xive_native_init(void)
        xive_native_setup_pools();
 
        /* Initialize XIVE core with our backend */
-       if (!xive_core_init(&xive_native_ops, tima, TM_QW3_HV_PHYS,
+       if (!xive_core_init(np, &xive_native_ops, tima, TM_QW3_HV_PHYS,
                            max_prio)) {
                opal_xive_reset(OPAL_XIVE_MODE_EMU);
                return false;
diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c
index 1e3674d7ea7b..6610e5149d5a 100644
--- a/arch/powerpc/sysdev/xive/spapr.c
+++ b/arch/powerpc/sysdev/xive/spapr.c
@@ -857,7 +857,7 @@ bool __init xive_spapr_init(void)
        }
 
        /* Initialize XIVE core with our backend */
-       if (!xive_core_init(&xive_spapr_ops, tima, TM_QW1_OS, max_prio))
+       if (!xive_core_init(np, &xive_spapr_ops, tima, TM_QW1_OS, max_prio))
                return false;
 
        pr_info("Using %dkB queues\n", 1 << (xive_queue_shift - 10));
-- 
2.26.2