linux-kernel - [PATCH 4.4 25/25] Revert "usb: chipidea: imx: enable CI_HDRC_SET_NON_ZERO

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Date:   Fri, 24 Feb 2017 09:25:37 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Peter Chen <peter.chen@....com>,
        Martin Fuzzey <mfuzzey@...keon.com>
Subject: [PATCH 4.4 25/25] Revert "usb: chipidea: imx: enable CI_HDRC_SET_NON_ZERO_TTHA"

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Peter Chen <peter.chen@....com>

commit 1bc7da87c7410c6990c3251589e3854e64c55af2 upstream.

This reverts commit e765bfb73ff7.

In the most of cases, we only use one transaction per frame and the
frame rate may be high, If the platforms want to support multiple
transactions but less frame rate cases like [1] and [2], it can set
"non-zero-ttctrl-ttha" at dts.

[1] http://www.spinics.net/lists/linux-usb/msg123125.html
[2] http://www.spinics.net/lists/linux-usb/msg118679.html

Signed-off-by: Peter Chen <peter.chen@....com>
Cc: Martin Fuzzey <mfuzzey@...keon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/chipidea/ci_hdrc_imx.c |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -244,7 +244,6 @@ static int ci_hdrc_imx_probe(struct plat
 	struct ci_hdrc_platform_data pdata = {
 		.name		= dev_name(&pdev->dev),
 		.capoffset	= DEF_CAPOFFSET,
-		.flags		= CI_HDRC_SET_NON_ZERO_TTHA,
 	};
 	int ret;
 	const struct of_device_id *of_id;