Messages in this thread | | | Date | Wed, 22 Dec 2021 10:49:53 +0100 | From | Wolfram Sang <> | Subject | Re: [PATCH v2 2/3] i2c: sh_mobile: Use platform_get_irq_optional() to get the interrupt |
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On Tue, Dec 21, 2021 at 05:53:21PM +0000, Lad Prabhakar wrote: > platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static > allocation of IRQ resources in DT core code, this causes an issue > when using hierarchical interrupt domains using "interrupts" property > in the node as this bypasses the hierarchical setup and messes up the > irq chaining. > > In preparation for removal of static setup of IRQ resource from DT core > code use platform_get_irq_optional() for DT users only. > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Tested on a Renesas R-Car Gen3 SoC (M3-W) and IIC port still works and no false positive printouts in the kernel log:
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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