From patchwork Sun Jul 23 16:10:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 13323293 X-Patchwork-Delegate: kuba@kernel.org 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 0EAE25675 for ; Sun, 23 Jul 2023 16:22:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DBE3FC433C9; Sun, 23 Jul 2023 16:22:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1690129365; bh=qDI0Xb5iaQWdsQql8g8clSdLAw51YwA2gB/y/HlqbvM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fVXln860LhUZcxF5EYN3gLM6af9tazNAY7YXKWeCJndIKqyXeMu8VBtbEEPrnnJJf pgz4q/ToKIP59p1+VzHxLLHDojPmJpfu0VZcIeBw499UMjt6dovJefE8Bm6ebXkBzE e3GORnARNutWgspjrF8VJVtzJFUV9kXshfdBhK3NLiM0tstmPOEX65Y/pLoCWvthUF yBj/TQlm45C85bQyDIsPSsVK6aGGJlJPVTuMfLewFSeD2ttgfHGRpi+lbPKHUa4+ds 01IoMUIfk6k+eucfSvTVZiopFDKcMOsJYKFFC1WCH56N91vHrSJnw54cSH8BS6irtC JMTiTPs3TaUMw== From: Jisheng Zhang To: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH net-next 10/10] net: stmmac: platform: support parsing per channel irq from DT Date: Mon, 24 Jul 2023 00:10:29 +0800 Message-Id: <20230723161029.1345-11-jszhang@kernel.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230723161029.1345-1-jszhang@kernel.org> References: <20230723161029.1345-1-jszhang@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org The snps dwmac IP may support per channel interrupt. Add support to parse the per channel irq from DT. Signed-off-by: Jisheng Zhang --- .../ethernet/stmicro/stmmac/stmmac_platform.c | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index e1b7a3fefd1a..16fff66c578b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -539,10 +539,14 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac) if (of_device_is_compatible(np, "snps,dwxgmac")) { plat->has_xgmac = 1; plat->pmt = 1; + if (of_property_read_bool(np, "snps,tso")) plat->flags |= STMMAC_FLAG_TSO_EN; } + if (of_property_read_bool(np, "snps,per-channel-interrupt")) + plat->flags |= STMMAC_FLAG_PERCH_IRQ_EN; + dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg), GFP_KERNEL); if (!dma_cfg) { @@ -705,6 +709,9 @@ EXPORT_SYMBOL_GPL(stmmac_remove_config_dt); int stmmac_get_platform_resources(struct platform_device *pdev, struct stmmac_resources *stmmac_res) { + char irq_name[8]; + int i; + memset(stmmac_res, 0, sizeof(*stmmac_res)); /* Get IRQ information early to have an ability to ask for deferred @@ -738,6 +745,26 @@ int stmmac_get_platform_resources(struct platform_device *pdev, dev_info(&pdev->dev, "IRQ eth_lpi not found\n"); } + for (i = 0; i < MTL_MAX_RX_QUEUES; i++) { + snprintf(irq_name, sizeof(irq_name), "rx%i", i); + stmmac_res->rx_irq[i] = platform_get_irq_byname_optional(pdev, irq_name); + if (stmmac_res->rx_irq[i] < 0) { + if (stmmac_res->rx_irq[i] == -EPROBE_DEFER) + return -EPROBE_DEFER; + break; + } + } + + for (i = 0; i < MTL_MAX_TX_QUEUES; i++) { + snprintf(irq_name, sizeof(irq_name), "tx%i", i); + stmmac_res->tx_irq[i] = platform_get_irq_byname_optional(pdev, irq_name); + if (stmmac_res->tx_irq[i] < 0) { + if (stmmac_res->tx_irq[i] == -EPROBE_DEFER) + return -EPROBE_DEFER; + break; + } + } + stmmac_res->sfty_ce_irq = platform_get_irq_byname_optional(pdev, "sfty_ce_irq"); if (stmmac_res->sfty_ce_irq < 0) { if (stmmac_res->sfty_ce_irq == -EPROBE_DEFER)