linux-kernel - Re: [PATCH 1/1] net: mvpp2: clear BM pool before initialization

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Date: Tue, 16 Jan 2024 09:26:16 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Jenishkumar Maheshbhai Patel <jpatel2@...vell.com>
Cc: marcin.s.wojtas@...il.com, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] net: mvpp2: clear BM pool before initialization

On Mon, Jan 15, 2024 at 09:57:54PM -0800, Jenishkumar Maheshbhai Patel wrote:
>  static int mvpp2_bm_init(struct device *dev, struct mvpp2 *priv)
>  {
>  	enum dma_data_direction dma_dir = DMA_FROM_DEVICE;
>  	int i, err, poolnum = MVPP2_BM_POOLS_NUM;
>  	struct mvpp2_port *port;
>  
> +	if (priv->percpu_pools)
> +		poolnum = mvpp2_get_nrxqs(priv) * 2;
> +
> +	for (i = 0; i < poolnum; i++) {
> +		/* Make sure about the pool state in case it was
> +		 * used by firmware.
> +		 */
> +		mvpp2_bm_pool_cleanup(priv, i);
> +	}

	/* Clean up the pool state in case it contains stale state */
	for (i = 0; i < poolnum; i++)
		mvpp2_bm_pool_cleanup(priv, i);

Doesn't need quite as many lines!

-- 
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