From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 53D35C433EF for ; Wed, 6 Apr 2022 09:46:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=EW0n9TOhI4Q0y4Rw/PzN+vFWgUX+Zxl0TJpuS48yAyU=; b=vRSOLwPaxwdc0Y iNHznnvdR7nZ5BALyW7sSHWaeOF4YPNmVSOWUzoSJcvviJR+CSNObkylJ0iWUoQonKxBtWTyB2dzB fhSFfHB2tRKhURPY/8qIeqajBhqhHMfd8R1a4vgjCNBVkeZmJlBvFctTriz+47E3ukNrxOIrFrjbb 69G8cgO+LdtYj8WzKga1taltLlUCuTfmY/Lb5LuwX/LfisCSJ1qELFYFsjjMUljPqvnAzgKDVLc6W FWUFEtS+Z/eadlO7se+oSbSAq3/Bh/spTCBfJIXVcfMgi43QKX9mNqfUlgsueNcw9z0t2gop7beVr 4N6/Hb72GvxdjNJ2pM3g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nc2E3-00559X-Gv; Wed, 06 Apr 2022 09:45:19 +0000 Received: from fllv0015.ext.ti.com ([198.47.19.141]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nc2D5-0054gi-TK for linux-arm-kernel@lists.infradead.org; Wed, 06 Apr 2022 09:44:23 +0000 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 2369iFWd108739; Wed, 6 Apr 2022 04:44:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1649238255; bh=zgzNCrg2jxb2fMhf7Xl7w052aCeYSvcx7BoVAy9SRiQ=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=A/ceEQ1+xCVGdMhG4IJWdicZYBXElFeYzWE175OdYmLX9imSiL6NsIx+50xmiNF5+ PKHdnXubjD7KJ5kZBoQr+d1VMAVMtlfyvR/80ZAToKlRuaJyGJSEFhLwFEHHqTU1yV r0oTS7WW+Ck1D/D5DovH55wjQGqLHUJcAG8x8tq8= Received: from DFLE111.ent.ti.com (dfle111.ent.ti.com [10.64.6.32]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 2369iFdg014796 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 6 Apr 2022 04:44:15 -0500 Received: from DFLE105.ent.ti.com (10.64.6.26) by DFLE111.ent.ti.com (10.64.6.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Wed, 6 Apr 2022 04:44:15 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14 via Frontend Transport; Wed, 6 Apr 2022 04:44:15 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 2369iDtw025691; Wed, 6 Apr 2022 04:44:14 -0500 From: Puranjay Mohan To: Subject: [RFC 05/13] remoteproc: pru: Configure firmware based on client setup Date: Wed, 6 Apr 2022 15:13:50 +0530 Message-ID: <20220406094358.7895-6-p-mohan@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220406094358.7895-1-p-mohan@ti.com> References: <20220406094358.7895-1-p-mohan@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220406_024420_204271_BC196FEA X-CRM114-Status: GOOD ( 14.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nm@ti.com, devicetree@vger.kernel.org, vigneshr@ti.com, mathieu.poirier@linaro.org, kishon@ti.com, netdev@vger.kernel.org, linux-remoteproc@vger.kernel.org, bjorn.andersson@linaro.org, krzysztof.kozlowski+dt@linaro.org, ssantosh@kernel.org, p-mohan@ti.com, kuba@kernel.org, davem@davemloft.net, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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. Co-developed-by: Suman Anna Signed-off-by: Suman Anna Signed-off-by: Tero Kristo Co-developed-by: Grzegorz Jaszczyk Signed-off-by: Grzegorz Jaszczyk Signed-off-by: Puranjay Mohan --- drivers/remoteproc/pru_rproc.c | 35 ++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/remoteproc/pru_rproc.c b/drivers/remoteproc/pru_rproc.c index d06b763e995e..2977eb50631b 100644 --- a/drivers/remoteproc/pru_rproc.c +++ b/drivers/remoteproc/pru_rproc.c @@ -171,6 +171,23 @@ 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 device_node *rproc_np = NULL; @@ -231,6 +248,8 @@ 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; try_module_get(THIS_MODULE); @@ -257,7 +276,21 @@ 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: + pru_rproc_put(rproc); + return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(pru_rproc_get); @@ -277,6 +310,8 @@ void pru_rproc_put(struct rproc *rproc) pru = rproc->priv; + pru_rproc_set_firmware(rproc, NULL); + mutex_lock(&pru->lock); if (!pru->client_np) { -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel