From patchwork Wed Aug 9 16:50:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 13348217 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 382A61CA1F for ; Wed, 9 Aug 2023 17:02:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 79766C433C9; Wed, 9 Aug 2023 17:02:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1691600539; bh=V902vE1qSD2W3x2PVyeCERNpVhnCPf/lW+x8V8GU3+c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WMhObEz5TS7bF/kYtzmy4aPzQwZnwrQiIUPdi+fZLiNzwNXpknALfGhoph6tHbTiG BZMzORKMJsl/ZkjiBKT1hrT9wLy0SxIuNk8kyuQZHCaYuBQaM+QPIwX9RrrcKs1MT4 3ZbDQqBlAV9u9UxQD/3W/uRN/mvfPIBKWPZ2etvp5VozRvGepNB4tCXX5aA71VNXDv 6hd7C2M/s9dOrNPRciF6y+GRo6sTTkCulpdXObeNmR8ZN9p+eC28ayEkVpnOTJajS8 COXV4YcfTMFVTsZr9bXWXU1cVs9ydrLcLPrgJCT9TmuYXD7FviPsaNwwNjnQIi2iQy GHGT5DXoFKqsg== 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 v3 10/10] net: stmmac: platform: support parsing per channel irq from DT Date: Thu, 10 Aug 2023 00:50:07 +0800 Message-Id: <20230809165007.1439-11-jszhang@kernel.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230809165007.1439-1-jszhang@kernel.org> References: <20230809165007.1439-1-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 --- .../net/ethernet/stmicro/stmmac/stmmac_main.c | 10 ++++---- .../ethernet/stmicro/stmmac/stmmac_platform.c | 23 +++++++++++++++++++ 2 files changed, 29 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 4ed5c976c7a3..245eeb7d3e83 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3612,7 +3612,7 @@ static int stmmac_request_irq_multi(struct net_device *dev) for (i = 0; i < priv->plat->rx_queues_to_use; i++) { if (i >= MTL_MAX_RX_QUEUES) break; - if (priv->rx_irq[i] == 0) + if (priv->rx_irq[i] <= 0) continue; int_name = priv->int_name_rx_irq[i]; @@ -3637,7 +3637,7 @@ static int stmmac_request_irq_multi(struct net_device *dev) for (i = 0; i < priv->plat->tx_queues_to_use; i++) { if (i >= MTL_MAX_TX_QUEUES) break; - if (priv->tx_irq[i] == 0) + if (priv->tx_irq[i] <= 0) continue; int_name = priv->int_name_tx_irq[i]; @@ -7278,8 +7278,10 @@ int stmmac_dvr_probe(struct device *device, priv->plat = plat_dat; priv->ioaddr = res->addr; priv->dev->base_addr = (unsigned long)res->addr; - priv->plat->dma_cfg->perch_irq_en = - (priv->plat->flags & STMMAC_FLAG_PERCH_IRQ_EN); + if (res->rx_irq[0] > 0 && res->tx_irq[0] > 0) { + priv->plat->flags |= STMMAC_FLAG_PERCH_IRQ_EN; + priv->plat->dma_cfg->perch_irq_en = true; + } priv->dev->irq = res->irq; priv->wol_irq = res->wol_irq; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 29145682b57b..9b46775b41ab 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -705,6 +705,9 @@ 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 +741,26 @@ 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"); if (stmmac_res->sfty_ce_irq < 0) { if (stmmac_res->sfty_ce_irq == -EPROBE_DEFER)