diff options
| author | Hyungwoo Yang <hyungwooy@nvidia.com> | 2011-09-26 17:01:45 -0700 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-15 11:36:56 +0530 |
| commit | 8c484387c9b969a21b7a032ec22da0b845dc05d5 (patch) | |
| tree | f54ac6d25474ab269720c77423c463c63a658289 /drivers/usb/host | |
| parent | 597351697ec700f5c87cf511722f4fe3b7b02acd (diff) | |
usb : tegra : reduce the EMC clock for USB
This change reduces the EMC clock required by USB host/gadget from 150Mhz to 100Mhz.
Bug ID : 817811
Reviewed-on: http://git-master/r/54571
(cherry picked from commit 6b208d6dae6844410b9cc29c30664ce7df44e989)
Change-Id: I0d227121b7d212f44db82348ea66b2798150f387
Signed-off-by: Hyungwoo Yang <hyungwooy@nvidia.com>
Reviewed-on: http://git-master/r/68072
Reviewed-by: Luke Huang <lhuang@nvidia.com>
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/ehci-tegra.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index 1e211b16c12f..ffab6246a2c1 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -1147,8 +1147,8 @@ static int tegra_ehci_probe(struct platform_device *pdev) /* Set DDR busy hints to 150MHz. For Tegra 2x SOC, DDR rate is half of EMC rate */ clk_set_rate(tegra->emc_clk, 300000000); #else - /* Set DDR busy hints to 150MHz. For Tegra 3x SOC DDR rate equals to EMC rate */ - clk_set_rate(tegra->emc_clk, 150000000); + /* Set DDR busy hints to 100MHz. For Tegra 3x SOC DDR rate equals to EMC rate */ + clk_set_rate(tegra->emc_clk, 100000000); #endif res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |