netdev - RE: [Intel-wired-lan] [PATCH iwl-next v2 12/15] iavf: field get conversion

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Message-ID: <BL0PR11MB352125A835D6DD2B0355503C8F8CA@BL0PR11MB3521.namprd11.prod.outlook.com>
Date: Thu, 14 Dec 2023 13:10:30 +0000
From: "Romanowski, Rafal" <rafal.romanowski@...el.com>
To: "Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "Kitszel, Przemyslaw" <przemyslaw.kitszel@...el.com>, "Brandeburg, Jesse"
	<jesse.brandeburg@...el.com>, Julia Lawall <Julia.Lawall@...ia.fr>, "Lobakin,
 Aleksander" <aleksander.lobakin@...el.com>, "marcin.szycik@...ux.intel.com"
	<marcin.szycik@...ux.intel.com>, "horms@...nel.org" <horms@...nel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [Intel-wired-lan] [PATCH iwl-next v2 12/15] iavf: field get
 conversion

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Jesse Brandeburg
> Sent: Wednesday, December 6, 2023 2:01 AM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: Kitszel, Przemyslaw <przemyslaw.kitszel@...el.com>; Brandeburg, Jesse
> <jesse.brandeburg@...el.com>; Julia Lawall <Julia.Lawall@...ia.fr>; Lobakin,
> Aleksander <aleksander.lobakin@...el.com>; marcin.szycik@...ux.intel.com;
> horms@...nel.org; netdev@...r.kernel.org
> Subject: [Intel-wired-lan] [PATCH iwl-next v2 12/15] iavf: field get conversion
> 
> Refactor the iavf driver to use FIELD_GET() for mask and shift reads, which
> reduces lines of code and adds clarity of intent.
> 
> This code was generated by the following coccinelle/spatch script and then
> manually repaired in a later patch.
> 
> @get@
> constant shift,mask;
> type T;
> expression a;
> @@
> -((T)((a) & mask) >> shift)
> +FIELD_GET(mask, a)
> 
> and applied via:
> spatch --sp-file field_prep.cocci --in-place --dir \  drivers/net/ethernet/intel/
> 
> Cc: Julia Lawall <Julia.Lawall@...ia.fr>
> Reviewed-by: Marcin Szycik <marcin.szycik@...ux.intel.com>
> Reviewed-by: Simon Horman <horms@...nel.org>
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
> ---
>  .../net/ethernet/intel/iavf/iavf_ethtool.c    |  3 +--
>  drivers/net/ethernet/intel/iavf/iavf_txrx.c   | 20 +++++++------------
>  2 files changed, 8 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
> b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
> index 11150bdc63d0..90d8f1fcc3aa 100644
> --- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
> +++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c

Tested-by: Rafal Romanowski <rafal.romanowski@...el.com>