[PATCH v2] dmaengine: xilinx: xdma: Fix data synchronisation in xdma_channel_isr()

Markus Elfring Markus.Elfring at web.de
Fri Jun 7 05:23:10 PDT 2024


…
> +++ b/drivers/dma/xilinx/xdma.c
> @@ -885,11 +885,11 @@ static irqreturn_t xdma_channel_isr(int irq, void *dev_id)
>  	u32 st;
>  	bool repeat_tx;
>
> +	spin_lock(&xchan->vchan.lock);
> +
>  	if (xchan->stop_requested)
>  		complete(&xchan->last_interrupt);
…

Can any lock scope adjustments matter also for another variable definition?
https://elixir.bootlin.com/linux/v6.10-rc2/source/drivers/dma/xilinx/xdma.c#L873

	struct xdma_device *xdev = xchan->xdev_hdl;


Regards,
Markus



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