Re: [PATCH] irqchip/irq-mvebu-gicp: add missing spin_lock init

From: Marc Zyngier
Date: Wed Oct 25 2017 - 03:51:36 EST


On Wed, Oct 25 2017 at 9:23:26 am BST, Antoine Tenart <antoine.tenart@xxxxxxxxxxxxxxxxxx> wrote:
> A spin lock is used in the irq-mvebu-gicp driver, but it is never
> initialized. This patch adds the missing spin_lock_init() call in the
> driver's probe function.
>
> Fixes: a68a63cb4dfc ("irqchip/irq-mvebu-gicp: Add new driver for Marvell GICP")
> Signed-off-by: Antoine Tenart <antoine.tenart@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/irqchip/irq-mvebu-gicp.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/irqchip/irq-mvebu-gicp.c b/drivers/irqchip/irq-mvebu-gicp.c
> index b283fc90be1e..17a4a7b6cdbb 100644
> --- a/drivers/irqchip/irq-mvebu-gicp.c
> +++ b/drivers/irqchip/irq-mvebu-gicp.c
> @@ -194,6 +194,7 @@ static int mvebu_gicp_probe(struct platform_device *pdev)
> return -ENOMEM;
>
> gicp->dev = &pdev->dev;
> + spin_lock_init(&gicp->spi_lock);
>
> gicp->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> if (!gicp->res)

Cc: stable@xxxxxxxxxxxxxxx
Acked-by: Marc Zyngier <marc.zyngier@xxxxxxx>

Thomas, can you please queue this ASAP?

Thanks,

M.
--
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