From patchwork Mon Mar 17 12:06:14 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Beleswar Padhi X-Patchwork-Id: 14019146 Received: from fllvem-ot03.ext.ti.com (fllvem-ot03.ext.ti.com [198.47.19.245]) (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 4BA4C23BD02; Mon, 17 Mar 2025 12:07:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.245 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742213272; cv=none; b=EL70i6a3/giLMZEKwndz3S7wqrCSs7+anPTafkJFysVdwvBZ7uglYYCojwJsamYXmBLDZ3uj2nse+BDbOebutAMfVIuNnwFigHJ3r0xKZ+8fw2U31px2X1jOmdk09DahLttl0gynKt4zdmxcWbVEviAkjTnjInZO+5Vzu01vqAY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742213272; c=relaxed/simple; bh=l9Ndok2AQJEgSzbnoTNC6wGc3mMyHnPL5DkSyEPO74M=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=NwlKzsXGqKwlX3GGQTzCHXHOsKbvhk7+A3vHGAwmguHWfJX3Bep6hxjaWVxUFe/x+mdY8ADXeozeNgOI7GRgWYgVYtLsE6OwF8CCmeNvdfz64dR7vTIj7997e0/SM3mA6t5SsHyw/6NUsSXXuHHLiPBo4prMecqvDn2f+VLJWa8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=c6vQUetX; arc=none smtp.client-ip=198.47.19.245 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="c6vQUetX" Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllvem-ot03.ext.ti.com (8.15.2/8.15.2) with ESMTPS id 52HC7d9p2266969 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 17 Mar 2025 07:07:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1742213259; bh=aWjv01r1zcFzNOjSzFjjXP3YPhZ89BccdUX/AsEVbBM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=c6vQUetXcW9gho/TVAPVNB3NxgWpn8KF18U+MU9jK5FcLXh1k5HXbh+c/LRuV3zCf /KPbM2MyITGarA58JcJ6/CZfcjy+EYNAs/7l4ANIllHQgKygZcPcbR2yczaysiDjSV JN/qLf34jx+rJaj+Ct1hnpvvI4l4MlrpP/R2CkA8= Received: from DFLE114.ent.ti.com (dfle114.ent.ti.com [10.64.6.35]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 52HC7dIc000703 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 17 Mar 2025 07:07:39 -0500 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 17 Mar 2025 07:07:39 -0500 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Mon, 17 Mar 2025 07:07:39 -0500 Received: from uda0510294.dhcp.ti.com (uda0510294.dhcp.ti.com [172.24.227.151]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 52HC6MKF060901; Mon, 17 Mar 2025 07:07:35 -0500 From: Beleswar Padhi To: , CC: , , , , , , , , , , Subject: [PATCH v9 18/26] remoteproc: k3: Refactor .stop rproc ops into common driver Date: Mon, 17 Mar 2025 17:36:14 +0530 Message-ID: <20250317120622.1746415-19-b-padhi@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250317120622.1746415-1-b-padhi@ti.com> References: <20250317120622.1746415-1-b-padhi@ti.com> Precedence: bulk X-Mailing-List: linux-remoteproc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea The .stop rproc ops implementations in ti_k3_dsp_remoteproc.c and ti_k3_m4_remoteproc.c drivers put the remote processor into reset. Refactor the implementations into ti_k3_common.c driver as k3_rproc_stop() and align DSP and M4 drivers to register this common function as .stop ops. Further, do not override the .stop ops with NULL when operating in IPC-only mode in ti_k3_dsp_remoteproc.c, as .stop is never invoked in rproc_detach routine. Signed-off-by: Beleswar Padhi --- drivers/remoteproc/ti_k3_common.c | 14 ++++++++++++++ drivers/remoteproc/ti_k3_common.h | 1 + drivers/remoteproc/ti_k3_dsp_remoteproc.c | 18 +----------------- drivers/remoteproc/ti_k3_m4_remoteproc.c | 15 +-------------- 4 files changed, 17 insertions(+), 31 deletions(-) diff --git a/drivers/remoteproc/ti_k3_common.c b/drivers/remoteproc/ti_k3_common.c index e2c7da357ab5..93d793e0899f 100644 --- a/drivers/remoteproc/ti_k3_common.c +++ b/drivers/remoteproc/ti_k3_common.c @@ -283,5 +283,19 @@ int k3_rproc_start(struct rproc *rproc) } EXPORT_SYMBOL_GPL(k3_rproc_start); +/* + * Stop the remote processor. + * + * This function puts the remote processor into reset, and finishes processing + * of any pending messages. This callback is invoked only in remoteproc mode. + */ +int k3_rproc_stop(struct rproc *rproc) +{ + struct k3_rproc *kproc = rproc->priv; + + return k3_rproc_reset(kproc); +} +EXPORT_SYMBOL_GPL(k3_rproc_stop); + MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("TI K3 common Remoteproc code"); diff --git a/drivers/remoteproc/ti_k3_common.h b/drivers/remoteproc/ti_k3_common.h index 51a92a306479..0162757f024c 100644 --- a/drivers/remoteproc/ti_k3_common.h +++ b/drivers/remoteproc/ti_k3_common.h @@ -96,4 +96,5 @@ int k3_rproc_request_mbox(struct rproc *rproc); int k3_rproc_prepare(struct rproc *rproc); int k3_rproc_unprepare(struct rproc *rproc); int k3_rproc_start(struct rproc *rproc); +int k3_rproc_stop(struct rproc *rproc); #endif /* REMOTEPROC_TI_K3_COMMON_H */ diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c index fb3ba5a1e07c..c5fe2b097a6f 100644 --- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c +++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c @@ -58,21 +58,6 @@ static int k3_dsp_rproc_start(struct rproc *rproc) return 0; } -/* - * Stop the DSP remote processor. - * - * This function puts the DSP processor into reset, and finishes processing - * of any pending messages. This callback is invoked only in remoteproc mode. - */ -static int k3_dsp_rproc_stop(struct rproc *rproc) -{ - struct k3_rproc *kproc = rproc->priv; - - k3_rproc_reset(kproc); - - return 0; -} - /* * Attach to a running DSP remote processor (IPC-only mode) * @@ -186,7 +171,7 @@ static void *k3_dsp_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool static const struct rproc_ops k3_dsp_rproc_ops = { .start = k3_dsp_rproc_start, - .stop = k3_dsp_rproc_stop, + .stop = k3_rproc_stop, .kick = k3_rproc_kick, .da_to_va = k3_dsp_rproc_da_to_va, }; @@ -412,7 +397,6 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev) dev_info(dev, "configured DSP for IPC-only mode\n"); rproc->state = RPROC_DETACHED; /* override rproc ops with only required IPC-only mode ops */ - rproc->ops->stop = NULL; rproc->ops->attach = k3_dsp_rproc_attach; rproc->ops->detach = k3_dsp_rproc_detach; rproc->ops->get_loaded_rsc_table = k3_dsp_get_loaded_rsc_table; diff --git a/drivers/remoteproc/ti_k3_m4_remoteproc.c b/drivers/remoteproc/ti_k3_m4_remoteproc.c index 69066cb91740..8830b1d84675 100644 --- a/drivers/remoteproc/ti_k3_m4_remoteproc.c +++ b/drivers/remoteproc/ti_k3_m4_remoteproc.c @@ -244,19 +244,6 @@ static void k3_m4_release_tsp(void *data) ti_sci_proc_release(tsp); } -/* - * Stop the M4 remote processor. - * - * This function puts the M4 processor into reset, and finishes processing - * of any pending messages. This callback is invoked only in remoteproc mode. - */ -static int k3_m4_rproc_stop(struct rproc *rproc) -{ - struct k3_rproc *kproc = rproc->priv; - - return k3_rproc_reset(kproc); -} - /* * Attach to a running M4 remote processor (IPC-only mode) * @@ -285,7 +272,7 @@ static const struct rproc_ops k3_m4_rproc_ops = { .prepare = k3_rproc_prepare, .unprepare = k3_rproc_unprepare, .start = k3_rproc_start, - .stop = k3_m4_rproc_stop, + .stop = k3_rproc_stop, .attach = k3_m4_rproc_attach, .detach = k3_m4_rproc_detach, .kick = k3_rproc_kick,