diff options
| author | Wen Yi <wyi@nvidia.com> | 2012-06-20 21:42:13 -0700 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-07-16 17:20:28 -0700 |
| commit | 5e07056dc8b922b8b43a01b60a949c1dda75d9a9 (patch) | |
| tree | bd8a99dc9e78be49ec0613779535f4dfdd2c466e /arch/arm/mach-tegra/board-p1852.c | |
| parent | 5a34d0584c5a45547c6733e177a0aa0c93dc1884 (diff) | |
arm: tegra: sd: enable sd dpd
This is a WAR solution that allows for the turning on
SD DPD feature.
The original issue is that enabling SD DPD immediately after device comes
out of LP0 causes ULPI disconnect. The root cause of that is
not known.
The WAR is to delay the enabling of SD DPD for 100ms after
device comes out of LP0.
Bug 929628
Change-Id: I3c5e35ace422e5441535c2c0fe18545b53bbddc4
Signed-off-by: Wen Yi <wyi@nvidia.com>
(cherry picked from commit bffb7b917d52a3523af80db21322ec7ba5fd33f9)
Reviewed-on: http://git-master/r/113392
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/board-p1852.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-p1852.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-p1852.c b/arch/arm/mach-tegra/board-p1852.c index ce7768e19594..5e7aea1c486d 100644 --- a/arch/arm/mach-tegra/board-p1852.c +++ b/arch/arm/mach-tegra/board-p1852.c @@ -43,6 +43,7 @@ #include <mach/irqs.h> #include <mach/pinmux.h> #include <mach/iomap.h> +#include <mach/io_dpd.h> #include <mach/io.h> #include <mach/pci.h> #include <mach/audio.h> @@ -592,6 +593,7 @@ static void __init tegra_p1852_init(void) p1852_gpio_init(); p1852_uart_init(); p1852_usb_init(); + tegra_io_dpd_init(); p1852_sdhci_init(); p1852_spi_init(); platform_add_devices(p1852_devices, ARRAY_SIZE(p1852_devices)); |