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From:   Chun-Hung Wu <chun-hung.wu@mediatek.com>
To:     Chaotian Jing <chaotian.jing@mediatek.com>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Pavel Machek <pavel@ucw.cz>,
        Kate Stewart <kstewart@linuxfoundation.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
        Pan Bian <bianpan2016@163.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Stanley Chu <stanley.chu@mediatek.com>,
        Kuohong Wang <kuohong.wang@mediatek.com>
CC:     <linux-kernel@vger.kernel.org>, <linux-mmc@vger.kernel.org>,
        <linux-mediatek@lists.infradead.org>, <devicetree@vger.kernel.org>,
        <wsd_upstream@mediatek.com>,
        <linux-arm-kernel@lists.infradead.org>,
        Chun-Hung Wu <chun-hung.wu@mediatek.com>
Subject: [PATCH 1/3] [1/3] mmc: core: expose MMC_CAP2_CQE* to dt
Date:   Fri, 1 Nov 2019 14:43:00 +0800
Message-ID: <1572590582-11056-1-git-send-email-chun-hung.wu@mediatek.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Expose MMC_CAP2_CQE and MMC_CAP2_CQE_DCMD
to host->caps2 if
1. "supports-cqe" is defined in dt and
2. "disable-cqe-dcmd" is not defined in dt.

Change-Id: I3d172e6bcfac34520c3932a6f8df2e20f2c0d05b
CR-Id:
Feature:
Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
---
 drivers/mmc/core/host.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 105b7a7..efb0dbe 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -319,6 +319,14 @@ int mmc_of_parse(struct mmc_host *host)
 		host->caps2 |= MMC_CAP2_NO_SD;
 	if (device_property_read_bool(dev, "no-mmc"))
 		host->caps2 |= MMC_CAP2_NO_MMC;
+	if (device_property_read_bool(dev, "supports-cqe"))
+		host->caps2 |= MMC_CAP2_CQE;
+
+	/* Must be after "supports-cqe" check */
+	if (!device_property_read_bool(dev, "disable-cqe-dcmd")) {
+		if (host->caps2 & MMC_CAP2_CQE)
+			host->caps2 |= MMC_CAP2_CQE_DCMD;
+	}
 
 	/* Must be after "non-removable" check */
 	if (device_property_read_u32(dev, "fixed-emmc-driver-type", &drv_type) == 0) {
-- 
1.9.1