From nobody Fri Dec 19 06:31:36 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 221AE238D43; Wed, 26 Feb 2025 19:00:16 +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=1740596417; cv=none; b=YqxZGgfwNSNeNISzRcaIpPTDKnpzshxYSVKp9W8DdcbVt7xmEcTDLyQhM2Qiz3LbcQC3BuR3r/9dgmyaR5yE1Y+SRa3cUZuhjfB0RSLs3h9kpqAzGrUR2D3c1tYob85q0X3MazBLb9Eed2MUHPdPbUWW6ZWzS4X4DI9vMMoH+Cs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740596417; c=relaxed/simple; bh=VHk6+dPKZF78pRrNidDKIzcA8Vd8WnrEysNDQjAv7p4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=StKSHC3nYayP+4mFju9RKPwqwHsFnsn4QPho+9D7IOm8QTMPR+0Wpk4ccxF8MDLv71H58pbJ6IPmqHMWAFa3YiahXiUmhGPSk7gcq6H2PQ/XJRNptx4fTheCTrwVXXGsBahdGnmiIuS5gXhFErEBRZiL94D/rcu2ec18Z42ve2k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lmI9ua6C; 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="lmI9ua6C" Received: by smtp.kernel.org (Postfix) with ESMTPS id B9121C4CEE8; Wed, 26 Feb 2025 19:00:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740596416; bh=VHk6+dPKZF78pRrNidDKIzcA8Vd8WnrEysNDQjAv7p4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=lmI9ua6Ci+qh1KVirQDshLct2N6hauoIY8BAPYgX4hXNgKUiUAE0ZZcFt8yta7sj7 nZLIhACUs7o9JPplNDjdhxxAOUmYM488AHK70BDi6/bfH5Ma4SDxU0NPsamQHU2FN5 o6SQ20c6Nz0s8HpZ8WgeXDkPyrRqT8+AhnoN8ixAaf7+EmP8oUSH0WZj53H+1rVDU+ 5feQBxYGwkGRtgsF/j+fmcp3Aw8pZlI3k0/52cQpNRrUDzr3by+ive0FZD1sGhYU7W q0eAqBAK3RuohHoc3U61r26G4izkkjvxVuazNrkmcC1yFQzv0voPeht9yRQbaIE/Nv T9geiyNzFauYA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id A80F4C19776; Wed, 26 Feb 2025 19:00:16 +0000 (UTC) From: Sven Peter via B4 Relay Date: Wed, 26 Feb 2025 19:00:03 +0000 Subject: [PATCH v2 1/4] soc: apple: rtkit: Add and use PWR_STATE_INIT instead of _ON 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: <20250226-apple-soc-misc-v2-1-c3ec37f9021b@svenpeter.dev> References: <20250226-apple-soc-misc-v2-0-c3ec37f9021b@svenpeter.dev> In-Reply-To: <20250226-apple-soc-misc-v2-0-c3ec37f9021b@svenpeter.dev> To: Alyssa Rosenzweig , Janne Grunau , Sven Peter Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1269; i=sven@svenpeter.dev; h=from:subject:message-id; bh=7cIMb5W1B1VA4bj9uxkLGyPS9AbrGxHzx345cZFtAjE=; b=owGbwMvMwCHmIlirolUq95LxtFoSQ/r+lD1Bh8qjJmd9L3nt8Wfjzf+VE6cxljdMYp51V4h1z vIHkkldHaUsDGIcDLJiiizb99ubPnn4RnDppkvvYeawMoEMYeDiFICJ2P5kZLgmfEC234zvaQHL m+Umc17u7+aRLZvYOX3X/zuc2WEseraMDC8UpRU3M5w+m8wbFMrmMJk5MVT9T/cVw9a5b4/G77j qwgkA X-Developer-Key: i=sven@svenpeter.dev; a=openpgp; fpr=A1E3E34A2B3C820DBC4955E5993B08092F131F93 X-Endpoint-Received: by B4 Relay for sven@svenpeter.dev/default with auth_id=167 X-Original-From: Sven Peter Reply-To: sven@svenpeter.dev From: Janne Grunau This state is needed to wake the dcp IOP after m1n1 shut it down and works for all other co-processors as well. Signed-off-by: Janne Grunau Signed-off-by: Sven Peter Reviewed-by: Alyssa Rosenzweig --- drivers/soc/apple/rtkit.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/soc/apple/rtkit.c b/drivers/soc/apple/rtkit.c index 2f5f878bf899..be0d08861168 100644 --- a/drivers/soc/apple/rtkit.c +++ b/drivers/soc/apple/rtkit.c @@ -12,6 +12,7 @@ enum { APPLE_RTKIT_PWR_STATE_IDLE =3D 0x201, /* sleeping, retain state */ APPLE_RTKIT_PWR_STATE_QUIESCED =3D 0x10, /* running but no communication = */ APPLE_RTKIT_PWR_STATE_ON =3D 0x20, /* normal operating state */ + APPLE_RTKIT_PWR_STATE_INIT =3D 0x220, /* init after starting the coproc */ }; =20 enum { @@ -898,7 +899,7 @@ int apple_rtkit_wake(struct apple_rtkit *rtk) * Use open-coded apple_rtkit_set_iop_power_state since apple_rtkit_boot * will wait for the completion anyway. */ - msg =3D FIELD_PREP(APPLE_RTKIT_MGMT_PWR_STATE, APPLE_RTKIT_PWR_STATE_ON); + msg =3D FIELD_PREP(APPLE_RTKIT_MGMT_PWR_STATE, APPLE_RTKIT_PWR_STATE_INIT= ); ret =3D apple_rtkit_management_send(rtk, APPLE_RTKIT_MGMT_SET_IOP_PWR_STA= TE, msg); if (ret) --=20 2.34.1