From: Benoit Goby <benoit@android.com>
Date: Tue, 25 Jan 2011 20:14:52 +0000 (-0800)
Subject: usb: host: tegra: Request 400MHz emc clock
X-Git-Tag: firefly_0821_release~9833^2~44^2~6
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3f0fad7ec42752a333787554fab28cffd3211688;p=firefly-linux-kernel-4.4.55.git

usb: host: tegra: Request 400MHz emc clock

while USB is active to eliminate all USB buffer underruns.

Change-Id: I9977224601e715e950284708958be98d37b3e6b1
Signed-off-by: Nathan Connell <w14185@motorola.com>
---

diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index bd6fb0144c26..3c72ed4c6cdc 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -548,7 +548,7 @@ static int tegra_ehci_probe(struct platform_device *pdev)
 	}
 
 	clk_enable(tegra->emc_clk);
-	clk_set_rate(tegra->emc_clk, 240000000);
+	clk_set_rate(tegra->emc_clk, 400000000);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {