From patchwork Fri Mar 15 18:39:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 780724 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E44B71EF1A; Fri, 15 Mar 2024 18:39:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710527984; cv=none; b=tkGyFaJMGlIs/y2KtuYYiiKFKJJtXkCXdo6NiK9Bmo75WqKHfzTS3s7LOMZwxxinDYKkff6L7TxaQRErWbtaL5cU0D9rFTR9zGvbYYk5zCLvdlnPdemQcn8B6In1jOPzxI+ThBtHMSDqYDBLbMcoEQcdD3uunq8UdjwnCfvJCqc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710527984; c=relaxed/simple; bh=C7kyR2ki1djI2qeuMUNpOihBcNvbesmD4ziXi1Fyq38=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Dx+guNjghsrq+TalFLRQc++Hz5oMZYcRkksUb1n0S93ZtQTPLFF8/BG/6WeV+avdat+E6Ae9j0907dL4TB9z6XtmJmv6sFtyeh2B21bNSxYNWjQq3ZhoX1ugdzgN/ttV78lyxj7VNUAqxKr0GanN+ABra9Y2qLh3IjHWdqkwJp0= 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=210.160.252.171 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="6.07,129,1708354800"; d="scan'208";a="197917684" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 16 Mar 2024 03:39:39 +0900 Received: from localhost.localdomain (unknown [10.226.93.102]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id C2D4A4066236; Sat, 16 Mar 2024 03:39:35 +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 v3 3/7] usb: renesas_usbhs: Improve usbhsc_default_pipe[] for isochronous transfers Date: Fri, 15 Mar 2024 18:39:17 +0000 Message-Id: <20240315183921.375751-4-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240315183921.375751-1-biju.das.jz@bp.renesas.com> References: <20240315183921.375751-1-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: * 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),