From nobody Wed Oct 8 11:02:02 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1611E1F4169 for ; Sun, 29 Jun 2025 10:15:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751192116; cv=none; b=g2VX4DHnWHdVxa5NFSNRSIqTsWP3vJ9TmljmeUFt2H+3pqjXXvf/Q0l8Ib1DFaXjW/lFR57qXnA7LIORjm43oImxvLIQTsJCLrs60sfFS9TG5Nkad3WUECjGwqOu5qI1RM/D5mvsckto4uMGV0qBS2V2Q6ZZTgE6SbsgTvZFPf0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751192116; c=relaxed/simple; bh=dECr4nkvseSg7N1+5IE3EZvxlUZeqMiCco8Y1FIv3e4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=uGX/tc+M9xMCzzfwK0NOfbQ7AksiMVd1glO3aUygMWBVGqk4VIulTH1Mrm/MUwqlXR1zaPVvPUEum0DpZgtNYg1+4lTOk0YeBwMbNrYegexIz0CbUz+v7uTRpf5JRtYrNb8wkmfbzWudxhQWiuLjTi7DgVFKqcws7BgGf5U+ZFg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YBZZJlD8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YBZZJlD8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99C3BC4CEEF; Sun, 29 Jun 2025 10:15:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751192114; bh=dECr4nkvseSg7N1+5IE3EZvxlUZeqMiCco8Y1FIv3e4=; h=From:To:Cc:Subject:Date:From; b=YBZZJlD8Fmds6axB/L/QQbNzPzOPLsKdgaDpGvcCx6utfz+VRcCGyunCXLRcxKbgs 2WLMQ8EoTLX3a8dHQZqwFRD/EsW+7i7CuotUdnhQo/Tdnw/3sT4ib4VEkt+6BBloBq u6cWg25hYvlduKk62MprsnJKjNWiTnPA5mtD5VYPMbv90AGLnaGugQcMn3OnSsg38F Mm3wJU5OMv/CAoei/upaXSfcb3LRSQYMxJDy7nS1gJwuv1NljB0fZAmEj2TzlkzrKG EFDwqm1ximOgCzaX1Yz74IkdbE0vpzNRjr+reWY4QTFZvtgH/1y09Ym28tURwlrlbG m2SE1s8mPNjEg== From: Jisheng Zhang To: Liam Girdwood , Mark Brown Cc: linux-kernel@vger.kernel.org Subject: [PATCH] regulator: tps6287x-regulator: Enable REGCACHE_MAPLE Date: Sun, 29 Jun 2025 17:58:22 +0800 Message-ID: <20250629095822.868-1-jszhang@kernel.org> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Enable regmap cache to reduce i2c transactions and corresponding interrupts if regulator is accessed frequently. Signed-off-by: Jisheng Zhang --- drivers/regulator/tps6287x-regulator.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/regulator/tps6287x-regulator.c b/drivers/regulator/tps= 6287x-regulator.c index c0f5f0a186a3..7b7d3ae39206 100644 --- a/drivers/regulator/tps6287x-regulator.c +++ b/drivers/regulator/tps6287x-regulator.c @@ -27,10 +27,17 @@ #define TPS6287X_CTRL3 0x03 #define TPS6287X_STATUS 0x04 =20 +static bool tps6287x_volatile_reg(struct device *dev, unsigned int reg) +{ + return reg =3D=3D TPS6287X_STATUS; +} + static const struct regmap_config tps6287x_regmap_config =3D { .reg_bits =3D 8, .val_bits =3D 8, .max_register =3D TPS6287X_STATUS, + .cache_type =3D REGCACHE_MAPLE, + .volatile_reg =3D tps6287x_volatile_reg, }; =20 static const struct linear_range tps6287x_voltage_ranges[] =3D { --=20 2.49.0