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Date:   Wed, 11 Dec 2019 14:17:23 +0100
From:   Jesper Dangaard Brouer <brouer@...hat.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     brouer@...hat.com, "David S. Miller" <davem@...emloft.net>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Murali Karicheri <m-karicheri2@...com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Andrew Lunn <andrew@...n.ch>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH 1/2] net: ethernet: ti: select PAGE_POOL for switchdev
 driver

On Wed, 11 Dec 2019 13:56:09 +0100
Arnd Bergmann <arnd@...db.de> wrote:

> The new driver misses a dependency:
> 
> drivers/net/ethernet/ti/cpsw_new.o: In function `cpsw_rx_handler':
> cpsw_new.c:(.text+0x259c): undefined reference to `__page_pool_put_page'
> cpsw_new.c:(.text+0x25d0): undefined reference to `page_pool_alloc_pages'
> drivers/net/ethernet/ti/cpsw_priv.o: In function `cpsw_fill_rx_channels':
> cpsw_priv.c:(.text+0x22d8): undefined reference to `page_pool_alloc_pages'
> cpsw_priv.c:(.text+0x2420): undefined reference to `__page_pool_put_page'
> drivers/net/ethernet/ti/cpsw_priv.o: In function `cpsw_create_xdp_rxqs':
> cpsw_priv.c:(.text+0x2624): undefined reference to `page_pool_create'
> drivers/net/ethernet/ti/cpsw_priv.o: In function `cpsw_run_xdp':
> cpsw_priv.c:(.text+0x2dc8): undefined reference to `__page_pool_put_page'
> 
> Other drivers use 'select' for PAGE_POOL, so do the same here.
> 
> Fixes: ed3525eda4c4 ("net: ethernet: ti: introduce cpsw switchdev based driver part 1 - dual-emac")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Jesper Dangaard Brouer <brouer@...hat.com>

Thanks for fixing this.

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer

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