From patchwork Mon Mar 18 17:33:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13595678 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 05A4256762; Mon, 18 Mar 2024 17:33:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710783227; cv=none; b=EuJ2LZT3ljqBvUrvD14iwU9J6K6aUFk6ouy3QocDrxfvanPzIdb+LBX2iDkQvAEQY+wRktjjltHen1zI+m0/ySfFCde+NkKzs86tekS79XE5VVi6PzlmRWlyyxQqnnek/KvXKH3WA0FZ6DrXNbnlgqaj8lFvieV9e53h/7+ayg8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710783227; c=relaxed/simple; bh=OXOn71n3yNv4uolBV+j27KmiLuHzNf0WT3VlwzHxVyY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ko+WMQiPD+5/cdIruc0jYxh+Sln7H3JgGJmvCvutfWy/nHp0KebSVLP9/3Ekd++vLE35zRsQeCJMmAjgpjYSvxVS3arfN8/hIEwQWM9EXDwxHW0jgSW/6tEnLGYGAgEqY1kSN2M/o6Zr4xzdkCwVgOqfsYD6fQI6Qe/hrROJO94= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.renesas.com; arc=none smtp.client-ip=210.160.252.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-IronPort-AV: E=Sophos;i="6.07,134,1708354800"; d="scan'208";a="202167607" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 19 Mar 2024 02:33:39 +0900 Received: from localhost.localdomain (unknown [10.226.93.20]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id A63AA40359EB; Tue, 19 Mar 2024 02:33:35 +0900 (JST) From: Biju Das To: Greg Kroah-Hartman Cc: Biju Das , Geert Uytterhoeven , Magnus Damm , Rob Herring , Yoshihiro Shimoda , Krzysztof Kozlowski , =?utf-8?q?Uwe_Kleine-?= =?utf-8?q?K=C3=B6nig?= , linux-usb@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar Mahadev Lad , Biju Das Subject: [PATCH v4 3/6] usb: renesas_usbhs: Improve usbhsc_default_pipe[] for isochronous transfers Date: Mon, 18 Mar 2024 17:33:16 +0000 Message-Id: <20240318173319.201799-4-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240318173319.201799-1-biju.das.jz@bp.renesas.com> References: <20240318173319.201799-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 As per the hardware manual, double buffer setting results in fewer interrupts for high-speed data transfers. Improve usbhsc_default_pipe[] for isochronous transfers by updating the table from single->double buffering and update the pipe number accordingly. Suggested-by: Geert Uytterhoeven Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven --- v3->v4: * Added Rbtag from Geert. v3: * New patch --- drivers/usb/renesas_usbhs/common.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index 0c62e4c6c88d..177fa3144a47 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -366,11 +366,11 @@ static void usbhsc_clk_disable_unprepare(struct usbhs_priv *priv) /* commonly used on old SH-Mobile SoCs */ static struct renesas_usbhs_driver_pipe_config usbhsc_default_pipe[] = { RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_CONTROL, 64, 0x00, false), - RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_ISOC, 1024, 0x08, false), - RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_ISOC, 1024, 0x18, false), - RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_BULK, 512, 0x28, true), - RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_BULK, 512, 0x38, true), + RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_ISOC, 1024, 0x08, true), + RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_ISOC, 1024, 0x28, true), RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_BULK, 512, 0x48, true), + RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_BULK, 512, 0x58, true), + RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_BULK, 512, 0x68, true), RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_INT, 64, 0x04, false), RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_INT, 64, 0x05, false), RENESAS_USBHS_PIPE(USB_ENDPOINT_XFER_INT, 64, 0x06, false),