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Wed, 21 Oct 2026 10:28:33 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 relay.smtp-ext.broadcom.com 2A884C0003E5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1792603713; bh=dHCSdMsKqyCCI6GLMa/Jp4jpFOGO85lAaVNk+lmmcVU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DW7hxfy0ofs1btHVKM726OVnB2rSKN1VroBvKVgv/qpcubeKZWhtxeMCXl6sk/E/o xu3uKJIMz/5ye8udxYsDFGH1OZtovNNq7SzswI8U0TaHDJyTxANJcnbJszD+kc/xqT PXApdyECN0+q/RuhHmvKQmVbVDgnov6VP5zZzzMU= Received: from fainelli-desktop.igp.broadcom.net (fainelli-desktop.dhcp.broadcom.net [10.67.48.245]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail-acc-it-01.broadcom.com (Postfix) with ESMTPSA id BCFADAEA3; Wed, 21 Oct 2026 13:28:31 -0400 (EDT) From: Florian Fainelli To: linux-arm-kernel@lists.infradead.org Cc: Florian Fainelli , Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Ray Jui , Scott Branden , Broadcom internal kernel review list , Alan Stern , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Kishon Vijay Abraham I , Yendapally Reddy Dhananjaya Reddy , linux-phy@lists.infradead.org (open list:GENERIC PHY FRAMEWORK), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list), linux-usb@vger.kernel.org (open list:USB SUBSYSTEM) Subject: [PATCH 7/9] usb: host: ehci-platform: Set the FIFO threshold on NSP Date: Wed, 21 Oct 2026 10:28:16 -0700 Message-ID: <20261021172819.668120-8-florian.fainelli@broadcom.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261021172819.668120-1-florian.fainelli@broadcom.com> References: <20261021172819.668120-1-florian.fainelli@broadcom.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261021_182834_654403_325D7B2D X-CRM114-Status: GOOD ( 14.20 ) X-Spam-Score: -1.2 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 The NSP SDK programs the EHCI INSNREG01 FIFO threshold to 0x00800040. This is the same setting already applied by ehci-platform for the brcm,xgs-iproc-ehci compatible to avoid problems with large transfers. Apply the existing workaround to the NSP compatible as well. Signed-off-by: Florian Fainelli --- drivers/usb/host/ehci-platform.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index f61f095cedab..9b7188d9c288 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -77,7 +77,8 @@ static int ehci_platform_reset(struct usb_hcd *hcd) if (pdata->no_io_watchdog) ehci->need_io_watchdog = 0; - if (of_device_is_compatible(pdev->dev.of_node, "brcm,xgs-iproc-ehci")) + if (of_device_is_compatible(pdev->dev.of_node, "brcm,xgs-iproc-ehci") || + of_device_is_compatible(pdev->dev.of_node, "brcm,nsp-ehci")) ehci_writel(ehci, BCM_USB_FIFO_THRESHOLD, &ehci->regs->brcm_insnreg[1]); -- 2.53.0