linux-kernel - [PATCH v3 10/10] ata: pata_platform: Make use of GENMASK() macro

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Message-Id: <20211224131300.18198-11-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date:   Fri, 24 Dec 2021 13:12:59 +0000
From:   Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
To:     Damien Le Moal <damien.lemoal@...nsource.wdc.com>
Cc:     Sergey Shtylyov <s.shtylyov@....ru>,
        Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        linux-ide@...r.kernel.org
Subject: [PATCH v3 10/10] ata: pata_platform: Make use of GENMASK() macro

Make use of GENMASK() macro instead of open coding.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@....ru>
---
v2-->v3
* Included RB tag

v1-->v2
* New patch
---
 drivers/ata/pata_platform.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/ata/pata_platform.c b/drivers/ata/pata_platform.c
index b37c1028fd54..b68bce361c74 100644
--- a/drivers/ata/pata_platform.c
+++ b/drivers/ata/pata_platform.c
@@ -253,8 +253,7 @@ static int pata_of_platform_get_pdata(struct platform_device *ofdev,
 
 	priv->use16bit = of_property_read_bool(dn, "ata-generic,use16bit");
 
-	priv->pio_mask = 1 << pio_mode;
-	priv->pio_mask |= (1 << pio_mode) - 1;
+	priv->pio_mask = GENMASK(pio_mode, 0);
 
 	return 0;
 }
-- 
2.17.1