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Thu, 26 Mar 2020 15:58:43 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp1.samsung.com (KnoxPortal) with ESMTP id 20200326155843eusmtrp199352f27fb28941a8a51472d09f0c6bf~-5dtCJNqU2091520915eusmtrp1L; Thu, 26 Mar 2020 15:58:43 +0000 (GMT) X-AuditID: cbfec7f4-0e5ff7000001ed07-cb-5e7cd134a517 Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 0C.5A.08375.331DC7E5; Thu, 26 Mar 2020 15:58:43 +0000 (GMT) Received: from AMDC3058.digital.local (unknown [106.120.51.71]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20200326155843eusmtip1b31a2b9474a93a64b4900a39c669e6ed~-5dspYKQk0820308203eusmtip1h; Thu, 26 Mar 2020 15:58:43 +0000 (GMT) From: Bartlomiej Zolnierkiewicz To: Jens Axboe Cc: Michael Schmitz , Geert Uytterhoeven , Christoph Hellwig , linux-ide@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-kernel@vger.kernel.org, b.zolnierkie@samsung.com Subject: [PATCH v5 13/27] ata: add CONFIG_SATA_HOST=n version of ata_ncq_enabled() Date: Thu, 26 Mar 2020 16:58:08 +0100 Message-Id: <20200326155822.19400-14-b.zolnierkie@samsung.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200326155822.19400-1-b.zolnierkie@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrNKsWRmVeSWpSXmKPExsWy7djPc7omF2viDL5/ZrNYfbefzWLjjPWs Fs9u7WWyWLn6KJPFsR2PmCwu75rDZrH8yVpmi7mt09kdODx2zrrL7nH5bKnHocMdjB4nW7+x eOy+2cDm0bdlFaPH501yAexRXDYpqTmZZalF+nYJXBnzVs1gLTjHVbH1vFkDYx9HFyMnh4SA icS24y2sXYxcHEICKxglXpy5zwbhfGGUeLr3OQuE85lR4uGty8wwLdMPLmCHSCxnlFgwq5sN JAHW0tDEBWKzCVhJTGxfxQhiiwgoSPT8Xgk2llngPaPEikl7WUASwgIhEqsmnQIrYhFQlWjc 9BRsEK+AncTknzMYIbbJS2z99okVxOYEii9fN58ZokZQ4uTMJ2BzmIFqmrfOhrpuGbvEtrkx ELaLxKuZvWwQtrDEq+Nb2CFsGYnTk3vAXpMQWMco8bfjBTOEs51RYvnkf1Ad1hJ3zv0CsjmA NmhKrN+lDxF2lGh/t5AVJCwhwCdx460gxA18EpO2TWeGCPNKdLQJQVSrSWxYtoENZm3XzpVQ JR4Stz9LTWBUnIXkmVlInpmFsHYBI/MqRvHU0uLc9NRio7zUcr3ixNzi0rx0veT83E2MwCR0 +t/xLzsYd/1JOsQowMGoxMOr0VITJ8SaWFZcmXuIUYKDWUmE92kkUIg3JbGyKrUoP76oNCe1 +BCjNAeLkjiv8aKXsUIC6YklqdmpqQWpRTBZJg5OqQbGRXfPuB47fM5NfzPTu8TPq1/bPFHU EO+cssJw5YeLEUskp/x2MIia1rBIawFHJVu5s+kTYQYprY+1kr+fB9zvT67QWnDEIy/Jpz5q bufWRPXDvaW71iukdVjkeHz+r5bXeuQFtx7jtiXtGkF1IhsfXH46xaZtt8HU/9rnprcdEA9U q1UNMHNXYinOSDTUYi4qTgQAOBEl+D4DAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprJIsWRmVeSWpSXmKPExsVy+t/xu7rGF2viDK6d1bRYfbefzWLjjPWs Fs9u7WWyWLn6KJPFsR2PmCwu75rDZrH8yVpmi7mt09kdODx2zrrL7nH5bKnHocMdjB4nW7+x eOy+2cDm0bdlFaPH501yAexRejZF+aUlqQoZ+cUltkrRhhZGeoaWFnpGJpZ6hsbmsVZGpkr6 djYpqTmZZalF+nYJehnzVs1gLTjHVbH1vFkDYx9HFyMnh4SAicT0gwvYQWwhgaWMEhebsrsY OYDiMhLH15dBlAhL/LnWxdbFyAVU8olR4vGtD2wgCTYBK4mJ7asYQWwRAQWJnt8rwYqYBb4y Siyd1M0MkhAWCJL49OsSC4jNIqAq0bjpKVgzr4CdxOSfMxghNshLbP32iRXE5gSKL183nxni IFuJxV8+MEHUC0qcnPkEbA4zUH3z1tnMExgFZiFJzUKSWsDItIpRJLW0ODc9t9hQrzgxt7g0 L10vOT93EyMwWrYd+7l5B+OljcGHGAU4GJV4eDVaauKEWBPLiitzDzFKcDArifA+jQQK8aYk VlalFuXHF5XmpBYfYjQFemIis5Rocj4wkvNK4g1NDc0tLA3Njc2NzSyUxHk7BA7GCAmkJ5ak ZqemFqQWwfQxcXBKNTCafP9483bo/voasf/fGV2C9jCrlLTtPfX34u4sN+nmhb3sThvlHuYf +v8gz1dnh2vzQt/bDHJR62QMWkWXOhiXzfafrNrUdUffjkN/990/Wbfrp9ZotejuDedjS/yV E6o3a5tK+L2+Gy2f/py84Ouo90Zh4dU/nHNks2IsJ95fxmVWevKBeKkSS3FGoqEWc1FxIgAc evyurAIAAA== X-CMS-MailID: 20200326155843eucas1p1c3f378cfd16d7f2a29d46e1456d8cbfd X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20200326155843eucas1p1c3f378cfd16d7f2a29d46e1456d8cbfd X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200326155843eucas1p1c3f378cfd16d7f2a29d46e1456d8cbfd References: <20200326155822.19400-1-b.zolnierkie@samsung.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When CONFIG_SATA_HOST=n there are no NCQ capable host drivers built so it is safe to hardwire ata_ncq_enabled() to always return zero. Code size savings on m68k arch using (modified) atari_defconfig: text data bss dec hex filename before: 37820 572 40 38432 9620 drivers/ata/libata-core.o 21040 105 576 21721 54d9 drivers/ata/libata-scsi.o 17405 18 0 17423 440f drivers/ata/libata-eh.o after: 37582 572 40 38194 9532 drivers/ata/libata-core.o 20702 105 576 21383 5387 drivers/ata/libata-scsi.o 17353 18 0 17371 43db drivers/ata/libata-eh.o Reviewed-by: Christoph Hellwig Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/libata.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/libata.h b/include/linux/libata.h index 500b709ed3de..661d76038684 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -1633,6 +1633,8 @@ extern struct ata_device *ata_dev_next(struct ata_device *dev, */ static inline int ata_ncq_enabled(struct ata_device *dev) { + if (!IS_ENABLED(CONFIG_SATA_HOST)) + return 0; return (dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ_OFF | ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ; } -- 2.24.1