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Date:   Fri, 11 Sep 2020 10:02:12 +0300
From:   Vadym Kochan <vadym.kochan@...ision.eu>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jiri Pirko <jiri@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>,
        Andrew Lunn <andrew@...n.ch>,
        Oleksandr Mazur <oleksandr.mazur@...ision.eu>,
        Serhiy Boiko <serhiy.boiko@...ision.eu>,
        Serhiy Pshyk <serhiy.pshyk@...ision.eu>,
        Volodymyr Mytnyk <volodymyr.mytnyk@...ision.eu>,
        Taras Chornyi <taras.chornyi@...ision.eu>,
        Andrii Savka <andrii.savka@...ision.eu>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Mickey Rachamim <mickeyr@...vell.com>
Subject: Re: [net-next v8 1/6] net: marvell: prestera: Add driver for
 Prestera family ASIC devices

On Thu, Sep 10, 2020 at 06:30:47PM -0700, Jakub Kicinski wrote:
> On Thu, 10 Sep 2020 18:00:50 +0300 Vadym Kochan wrote:
> > +static int prestera_sdma_tx_wait(struct prestera_sdma *sdma,
> > +				 struct prestera_tx_ring *tx_ring)
> > +{
> > +	int tx_wait_num = PRESTERA_SDMA_WAIT_MUL * tx_ring->max_burst;
> > +	bool is_ready;
> > +
> > +	return read_poll_timeout_atomic(prestera_sdma_is_ready, is_ready, true,
> > +					1, tx_wait_num, false, sdma);
> > +}
> 
> This is strange and generates a warning:
> 
> drivers/net/ethernet/marvell/prestera/prestera_rxtx.c: In function ‘prestera_sdma_tx_wait’:
> drivers/net/ethernet/marvell/prestera/prestera_rxtx.c:695:7: warning: variable ‘is_ready’ set but not used [-Wunused-but-set-variable]
>   695 |  bool is_ready;
>       |       ^~~~~~~~

Sorry about this mistake, will re-submit new version.

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