From nobody Tue Oct 7 16:38:16 2025 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 E4F39225793 for ; Tue, 8 Jul 2025 19:37:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752003444; cv=none; b=PKLhF4cEUcWEIE597uQFnI6Pyyg1PBdsTtxTqDlnyUhYsR2Pr0kLVbHnB90mXskTeu1lr9O3ZTKxf8C3eaLQn7XWErkAZGz5Q3EYwT0jjIXLvRza67dcDCeuFKJMztXjF4AqzCuQqkxU5NfBymJxKzj4+vguBcmKg2gKvugVCTc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752003444; c=relaxed/simple; bh=+erTwrLAUAZ2OsDl2bkXkrwnk4JpthhQCZF8qikCfo4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qF3KsKnddxEJ0UHb8E79zRvyImmzkAGn1ksJf0qPXYghTAuOqNQt/FhGGdwXlmbYS6Rw42c+Rv5cVBXc00pVTJzTEuCkXjHzS3doDE1G7DdHRkFnet6l4G6L4HCBbiBxATPOSmOB+gi0DnI66MrWQ+pk4VTG4dc96fV4D1q+55o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=ph0J5lb5; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="ph0J5lb5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1752003441; bh=+erTwrLAUAZ2OsDl2bkXkrwnk4JpthhQCZF8qikCfo4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ph0J5lb58BZKDnah1X9pNHZcabTHk+EwvqIKCARjcKyhFI8esQ4Ummsy3erLqvLPP cSV5GbvvnCPMfkCcJzveqn7BY4uga8EZwN0/JO6T3Oki4FFLIkfnzbUQ9+alxfqz7T i+QY6YAnDA62YNH97ROBm9k5m16zlslFHHk8l44Lu02XVWskxFR5RseDGmmoIJaPsB P/UGj7My5M6V4teGLlph7tmgSF9K04lndrBtmAxkAeZSX1YalBDqO4DtEUgdRTnGzz X8W3ID9XVBbhteAOsIJn0PZwXYEBM+CpjkaGliRtPf2ei6UVvxDOlIo/oo5g2SEYx+ 0FzkarYZiEBMw== Received: from localhost (unknown [212.93.144.165]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by bali.collaboradmins.com (Postfix) with UTF8SMTPSA id 0B6F017E04AA; Tue, 8 Jul 2025 21:37:21 +0200 (CEST) From: Cristian Ciocaltea Date: Tue, 08 Jul 2025 22:35:45 +0300 Subject: [PATCH 04/12] phy: rockchip: samsung-hdptx: Use usleep_range() instead of udelay() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250708-phy-hdptx-frl-v1-4-cfe096e224f4@collabora.com> References: <20250708-phy-hdptx-frl-v1-0-cfe096e224f4@collabora.com> In-Reply-To: <20250708-phy-hdptx-frl-v1-0-cfe096e224f4@collabora.com> To: Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner , Algea Cao Cc: kernel@collabora.com, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org X-Mailer: b4 0.14.2 rk_hdptx_dp_reset() is allowed to sleep, hence replace the busy waiting with usleep_range(), to allow other threads to run. Signed-off-by: Cristian Ciocaltea --- drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c b/drivers/ph= y/rockchip/phy-rockchip-samsung-hdptx.c index 2dd70f0cd8de34aad957d4d146366e5521cd897e..6f12ac54abc1e1f0d67226899bb= 2c394e71a99cf 100644 --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c @@ -1074,7 +1074,7 @@ static void rk_hdptx_dp_reset(struct rk_hdptx_phy *hd= ptx) reset_control_assert(hdptx->rsts[RST_INIT].rstc); =20 reset_control_assert(hdptx->rsts[RST_APB].rstc); - udelay(10); + usleep_range(10, 15); reset_control_deassert(hdptx->rsts[RST_APB].rstc); =20 regmap_update_bits(hdptx->regmap, LANE_REG(0301), --=20 2.50.0