From: Crystal Guo <crystal.guo@mediatek.com>
To: <p.zabel@pengutronix.de>, <robh+dt@kernel.org>, <matthias.bgg@gmail.com>
Cc: <srv_heupstream@mediatek.com>,
<linux-mediatek@lists.infradead.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
<s-anna@ti.com>, <seiya.wang@mediatek.com>,
<stanley.chu@mediatek.com>, <yingjoe.chen@mediatek.com>,
<fan.chen@mediatek.com>, <yong.liang@mediatek.com>,
Crystal Guo <crystal.guo@mediatek.com>
Subject: [v6,3/3] reset-controller: ti: force the write operation when assert or deassert
Date: Wed, 30 Sep 2020 10:21:59 +0800 [thread overview]
Message-ID: <20200930022159.5559-4-crystal.guo@mediatek.com> (raw)
In-Reply-To: <20200930022159.5559-1-crystal.guo@mediatek.com>
Force the write operation in case the read already happens
to return the correct value.
Signed-off-by: Crystal Guo <crystal.guo@mediatek.com>
---
drivers/reset/reset-ti-syscon.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/reset/reset-ti-syscon.c b/drivers/reset/reset-ti-syscon.c
index 5d1f8306cd4f..c34394f1e9e2 100644
--- a/drivers/reset/reset-ti-syscon.c
+++ b/drivers/reset/reset-ti-syscon.c
@@ -97,7 +97,7 @@ static int ti_syscon_reset_assert(struct reset_controller_dev *rcdev,
mask = BIT(control->assert_bit);
value = (control->flags & ASSERT_SET) ? mask : 0x0;
- return regmap_update_bits(data->regmap, control->assert_offset, mask, value);
+ return regmap_write_bits(data->regmap, control->assert_offset, mask, value);
}
/**
@@ -128,7 +128,7 @@ static int ti_syscon_reset_deassert(struct reset_controller_dev *rcdev,
mask = BIT(control->deassert_bit);
value = (control->flags & DEASSERT_SET) ? mask : 0x0;
- return regmap_update_bits(data->regmap, control->deassert_offset, mask, value);
+ return regmap_write_bits(data->regmap, control->deassert_offset, mask, value);
}
/**
--
2.18.0
next prev parent reply other threads:[~2020-09-30 2:22 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-30 2:21 [v6,0/3] introduce TI reset controller for MT8192 SoC Crystal Guo
2020-09-30 2:21 ` [v6,1/3] dt-binding: reset-controller: mediatek: add YAML schemas Crystal Guo
2020-10-14 13:30 ` Crystal Guo
2020-11-11 8:28 ` Stanley Chu
2020-12-03 7:41 ` Philipp Zabel
2020-12-26 9:06 ` Crystal Guo
2020-09-30 2:21 ` [v6,2/3] reset-controller: ti: introduce a new reset handler Crystal Guo
2020-11-30 10:35 ` Ikjoon Jang
2020-12-04 2:34 ` Crystal Guo
2020-09-30 2:21 ` Crystal Guo [this message]
2020-11-30 11:13 ` [v6, 3/3] reset-controller: ti: force the write operation when assert or deassert Ikjoon Jang
2020-12-02 11:06 ` Crystal Guo
2020-12-03 3:30 ` Ikjoon Jang
2020-12-03 7:45 ` [v6,3/3] " Philipp Zabel
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