[v4,02/19] irqdomain: Drop dead domain-name assignment

Message ID 20230116135044.14998-3-johan+linaro@kernel.org
State New
Headers
Series irqdomain: fix mapping race and clean up locking |

Commit Message

Johan Hovold Jan. 16, 2023, 1:50 p.m. UTC
  Since commit d59f6617eef0 ("genirq: Allow fwnode to carry name
information only") an IRQ domain is always given a name during
allocation (e.g. used for the debugfs entry).

Drop the leftover name assignment when allocating the first IRQ.

Tested-by: Hsin-Yi Wang <hsinyi@chromium.org>
Tested-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
 kernel/irq/irqdomain.c | 8 --------
 1 file changed, 8 deletions(-)
  

Comments

Thomas Gleixner Jan. 17, 2023, 9:18 p.m. UTC | #1
On Mon, Jan 16 2023 at 14:50, Johan Hovold wrote:
> Since commit d59f6617eef0 ("genirq: Allow fwnode to carry name
> information only") an IRQ domain is always given a name during
> allocation (e.g. used for the debugfs entry).
>
> Drop the leftover name assignment when allocating the first IRQ.

Wants a Fixes tag too for the same reason as before.

Fixes: d59f6617eef0 ("genirq: Allow fwnode to carry name information only")

Thanks,

        tglx
  

Patch

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index bf67de1733ee..fe9ec53fe7aa 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -593,10 +593,6 @@  int irq_domain_associate(struct irq_domain *domain, unsigned int virq,
 			mutex_unlock(&irq_domain_mutex);
 			return ret;
 		}
-
-		/* If not already assigned, give the domain the chip's name */
-		if (!domain->name && irq_data->chip)
-			domain->name = irq_data->chip->name;
 	}
 
 	domain->mapcount++;
@@ -1118,10 +1114,6 @@  static void irq_domain_insert_irq(int virq)
 
 		domain->mapcount++;
 		irq_domain_set_mapping(domain, data->hwirq, data);
-
-		/* If not already assigned, give the domain the chip's name */
-		if (!domain->name && data->chip)
-			domain->name = data->chip->name;
 	}
 
 	irq_clear_status_flags(virq, IRQ_NOREQUEST);