From patchwork Fri Jan 6 12:10:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: MD Danish Anwar X-Patchwork-Id: 639842 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2985FC3DA7A for ; Fri, 6 Jan 2023 12:11:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233742AbjAFMLs (ORCPT ); Fri, 6 Jan 2023 07:11:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233101AbjAFMLS (ORCPT ); Fri, 6 Jan 2023 07:11:18 -0500 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D14B5736D9; Fri, 6 Jan 2023 04:11:15 -0800 (PST) Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 306CB3ua099628; Fri, 6 Jan 2023 06:11:03 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1673007063; bh=uTiut5o/7iFdu8/u+NPuwcc+4LBeafBX8Rz7JMBS3zI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=YqaHGNANO0nf47w2o9bZFTYV56O/kDwGMct/9U1Bvh+U4T+QNEURqvREY6+rcHZnk OP8YziWpcx0FQi1Zk09iW98Rl5kZoJo0Vu/IAbKDzY6kUUizf2cun98aoutk9Ub9Iz j9gHhiO4Nyh/ga4sJ+aLGtpY1hIgB/8mpS36SPng= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 306CB39P119074 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 6 Jan 2023 06:11:03 -0600 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Fri, 6 Jan 2023 06:11:03 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) 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 15.1.2507.16 via Frontend Transport; Fri, 6 Jan 2023 06:11:03 -0600 Received: from fllv0122.itg.ti.com (fllv0122.itg.ti.com [10.247.120.72]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 306CB3Lu020441; Fri, 6 Jan 2023 06:11:03 -0600 Received: from localhost (a0501179-pc.dhcp.ti.com [10.24.69.114]) by fllv0122.itg.ti.com (8.14.7/8.14.7) with ESMTP id 306CB2Z2028627; Fri, 6 Jan 2023 06:11:02 -0600 From: MD Danish Anwar To: Mathieu Poirier , Krzysztof Kozlowski , Rob Herring CC: Suman Anna , Roger Quadros , "Andrew F . Davis" , , , , , , , , MD Danish Anwar Subject: [PATCH v14 6/6] remoteproc: pru: Configure firmware based on client setup Date: Fri, 6 Jan 2023 17:40:46 +0530 Message-ID: <20230106121046.886863-7-danishanwar@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230106121046.886863-1-danishanwar@ti.com> References: <20230106121046.886863-1-danishanwar@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Tero Kristo Client device node property firmware-name is now used to configure firmware for the PRU instances. The default firmware is also restored once releasing the PRU resource. Signed-off-by: Suman Anna Signed-off-by: Tero Kristo Signed-off-by: Grzegorz Jaszczyk Signed-off-by: MD Danish Anwar Reviewed-by: Roger Quadros --- drivers/remoteproc/pru_rproc.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/drivers/remoteproc/pru_rproc.c b/drivers/remoteproc/pru_rproc.c index f6ea445d2fa2..b76db7fa693d 100644 --- a/drivers/remoteproc/pru_rproc.c +++ b/drivers/remoteproc/pru_rproc.c @@ -172,6 +172,23 @@ void pru_control_set_reg(struct pru_rproc *pru, unsigned int reg, spin_unlock_irqrestore(&pru->rmw_lock, flags); } +/** + * pru_rproc_set_firmware() - set firmware for a PRU core + * @rproc: the rproc instance of the PRU + * @fw_name: the new firmware name, or NULL if default is desired + * + * Return: 0 on success, or errno in error case. + */ +static int pru_rproc_set_firmware(struct rproc *rproc, const char *fw_name) +{ + struct pru_rproc *pru = rproc->priv; + + if (!fw_name) + fw_name = pru->fw_name; + + return rproc_set_firmware(rproc, fw_name); +} + static struct rproc *__pru_rproc_get(struct device_node *np, int index) { struct rproc *rproc; @@ -224,6 +241,7 @@ struct rproc *pru_rproc_get(struct device_node *np, int index, struct rproc *rproc; struct pru_rproc *pru; struct device *dev; + const char *fw_name; int ret; rproc = __pru_rproc_get(np, index); @@ -249,11 +267,25 @@ struct rproc *pru_rproc_get(struct device_node *np, int index, if (pru_id) *pru_id = pru->id; + ret = of_property_read_string_index(np, "firmware-name", index, + &fw_name); + if (!ret) { + ret = pru_rproc_set_firmware(rproc, fw_name); + if (ret) { + dev_err(dev, "failed to set firmware: %d\n", ret); + goto err; + } + } + return rproc; err_no_rproc_handle: rproc_put(rproc); return ERR_PTR(ret); + +err: + pru_rproc_put(rproc); + return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(pru_rproc_get); @@ -273,6 +305,8 @@ void pru_rproc_put(struct rproc *rproc) pru = rproc->priv; + pru_rproc_set_firmware(rproc, NULL); + mutex_lock(&pru->lock); if (!pru->client_np) {