linux-kernel - Re: [PATCH] iommu/rockchip: don't use platform_get

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Date:   Tue, 15 Oct 2019 12:45:46 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iommu/rockchip: don't use platform_get_irq to implicitly
 count irqs

On Wed, Sep 25, 2019 at 08:43:46PM +0200, Heiko Stuebner wrote:
> Till now the Rockchip iommu driver walked through the irq list via
> platform_get_irq() until it encountered an ENXIO error. With the
> recent change to add a central error message, this always results
> in such an error for each iommu on probe and shutdown.
> 
> To not confuse people, switch to platform_count_irqs() to get the
> actual number of interrupts before walking through them.
> 
> Fixes: 7723f4c5ecdb ("driver core: platform: Add an error message to platform_get_irq*()")
> Signed-off-by: Heiko Stuebner <heiko@...ech.de>
> ---
>  drivers/iommu/rockchip-iommu.c | 19 ++++++++++++++-----
>  1 file changed, 14 insertions(+), 5 deletions(-)

Applied for v5.4, thanks.