From nobody Tue Feb 10 00:58:44 2026 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 B9BB328000B for ; Mon, 12 Jan 2026 23:21:01 +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=1768260063; cv=none; b=N4zCIf8o4AoHilLxFHYwwx+ZJCqS31mW56gf9hNhzcFQKqevTz5k6MwJVMMK0GW0+01PTZn3B4VqSZxnmHjbvP0m8ZVJcq4LCPN2iLOO2EBWEt9saHgGeNpHr2RXjrTqHfRGuH8lUURTs9kV4/wofbLXji22g6tHD4kmSVIPlzI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768260063; c=relaxed/simple; bh=KLY3/5FYOtbcL49AzwCGiqkdVvb9UF8bBOYJdOQPcj4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=RQrGbFcx9udNvqgTHxfWXU/bVJ1fAovmdNT4H96ZfK91wnOUUgZD7ec843+cKLoTm+HtuXvjwOtBfnkTENaHs7ZD1waXP64zLFjn1Wl1gjAlBM5o20M6lcMJ6GoT8YRd307XFAm3SjK85h/dTJQPJsLztyaFO4SoyXLKLwNv+/A= 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=mGtV1XaD; 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="mGtV1XaD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1768260060; bh=KLY3/5FYOtbcL49AzwCGiqkdVvb9UF8bBOYJdOQPcj4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=mGtV1XaDKqRCqM/DF3TmwnR/eIh9+7E6Kb6rMv9zzWxr2HHvwyRkwo93SlgoYvSI0 v99g7DOatsU1RqVdzrN1MSCrJdVgFUdKJ0R4VGNDOKew92hOJO02/EZ9VJhDgkCStw SadAWTj7EKjAhpKgHTlCkw+68PcjawnWtUi4Cb2Omksf3l4nxgM8SA0GP3XAmhWNW5 jklrT/7MFpULWLT4ktbAKtugF18jjGyLrJ9/UzS+8un+RuIvMTgTc6cPgJ0PndJuKB EjegJvMom84a/qKasP+212soyKaAbMnzBxT565AEc0uW7RgpgFx+XVs/T0wjAAS3/1 KSN3g+ijL2tzA== Received: from localhost (unknown [82.79.138.145]) (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 ESMTPSA id F29B617E10F4; Tue, 13 Jan 2026 00:20:59 +0100 (CET) From: Cristian Ciocaltea Date: Tue, 13 Jan 2026 01:20:49 +0200 Subject: [PATCH v6 02/11] 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: <20260113-phy-hdptx-frl-v6-2-8d5f97419c0b@collabora.com> References: <20260113-phy-hdptx-frl-v6-0-8d5f97419c0b@collabora.com> In-Reply-To: <20260113-phy-hdptx-frl-v6-0-8d5f97419c0b@collabora.com> To: Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner , Algea Cao , Dmitry Baryshkov , Neil Armstrong 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 0.14.3 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 Reviewed-by: Neil Armstrong --- 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 a65e96694237..89710066d70c 100644 --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c @@ -1042,7 +1042,7 @@ 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 2.52.0