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From: Philipp Zabel <p.zabel@pengutronix.de>
To: Damien Le Moal <dlemoal@kernel.org>,
	 Conor Dooley <conor.dooley@microchip.com>,
	 Valentina Fernandez <valentina.fernandezalanis@microchip.com>,
	 Daire McNamara <daire.mcnamara@microchip.com>,
	 Fabrizio Castro <fabrizio.castro.jz@renesas.com>,
	 Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	 Michal Simek <michal.simek@amd.com>
Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	 linux-renesas-soc@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	 Philipp Zabel <p.zabel@pengutronix.de>
Subject: [PATCH 8/8] reset: tn48m: Use regmap_test_bits in tn48m_control_status
Date: Tue, 03 Nov 2026 15:51:28 +0100	[thread overview]
Message-ID: <20261103-reset-regmap-test-bits-v1-8-1b33607a76b0@pengutronix.de> (raw)
In-Reply-To: <20261103-reset-regmap-test-bits-v1-0-1b33607a76b0@pengutronix.de>

Simplify tn48m_control_status() by using regmap_test_bits().
No functional change.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---
 drivers/reset/reset-tn48m.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/reset/reset-tn48m.c b/drivers/reset/reset-tn48m.c
index 177ee5127a1e..4c7d7ef7c7a9 100644
--- a/drivers/reset/reset-tn48m.c
+++ b/drivers/reset/reset-tn48m.c
@@ -66,17 +66,13 @@ static int tn48m_control_status(struct reset_controller_dev *rcdev,
 				unsigned long id)
 {
 	struct tn48_reset_data *data = to_tn48_reset_data(rcdev);
-	unsigned int regval;
 	int ret;
 
-	ret = regmap_read(data->regmap, TN48M_RESET_REG, &regval);
+	ret = regmap_test_bits(data->regmap, TN48M_RESET_REG, BIT(tn48m_resets[id].bit));
 	if (ret < 0)
 		return ret;
 
-	if (BIT(tn48m_resets[id].bit) & regval)
-		return 0;
-	else
-		return 1;
+	return !ret;
 }
 
 static const struct reset_control_ops tn48_reset_ops = {

-- 
2.47.3


      parent reply	other threads:[~2026-11-03 14:51 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-03 14:51 [PATCH 0/8] reset: Use regmap_test_bits to simplify status callbacks Philipp Zabel
2026-11-03 14:51 ` [PATCH 1/8] reset: a10sr: Use regmap_test_bits in a10sr_reset_status Philipp Zabel
2026-11-03 14:51 ` [PATCH 2/8] reset: reset-intel-gw: Use regmap_reset_bits in intel_reset_status Philipp Zabel
2026-11-03 14:51 ` [PATCH 3/8] reset: k210: Use regmap_test_bits in k210_rst_status Philipp Zabel
2026-11-03 20:01   ` Damien Le Moal
2026-11-03 14:51 ` [PATCH 4/8] reset: lantiq: Use regmap_test_bits in lantiq_rcu_reset_status Philipp Zabel
2026-11-03 14:51 ` [PATCH 5/8] reset: mpfs: Use regmap_test_bits in mpfs_status Philipp Zabel
2026-11-03 14:51 ` [PATCH 6/8] reset: rzv2h-usb2phy: Use regmap_test_bits in rzv2h_usbphy_reset_status Philipp Zabel
2026-11-03 14:51 ` [PATCH 7/8] reset: zynq: Use regmap_test_bits in zynq_reset_status Philipp Zabel
2026-11-03 14:51 ` Philipp Zabel [this message]

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