diff options
| author | Seshendra Gadagottu <sgadagottu@nvidia.com> | 2011-08-19 20:10:41 +0530 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:52:24 -0800 |
| commit | bd461ec77277773970f661242a56d5747092b2fc (patch) | |
| tree | 849afb78fc2873d22907463c07077ecf64264020 /arch/arm/mach-tegra/board-cardhu.c | |
| parent | f62175e8819c555c730cf023ad3e11551b1563e8 (diff) | |
arm: tegra: cardhu: HSIC config change for xmm modem
Avoid power down HSIC phy during L2 suspend state.
Triggered postsuspend and preresume actions for xmm modem.
BUG 828389
Original-Change-Id: I2cd862361d5ba0fedf7e7bffac02c0dfbf5cf0c8
Reviewed-on: http://git-master/r/46654
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Rebase-Id: R07b042064157d92b288da906c040b083d62df743
Diffstat (limited to 'arch/arm/mach-tegra/board-cardhu.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-cardhu.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-cardhu.c b/arch/arm/mach-tegra/board-cardhu.c index 1ea589607471..b77deda964ea 100644 --- a/arch/arm/mach-tegra/board-cardhu.c +++ b/arch/arm/mach-tegra/board-cardhu.c @@ -758,6 +758,18 @@ static struct usb_phy_plat_data tegra_usb_phy_pdata[] = { }, }; +static int cardu_usb_hsic_postsupend(void) +{ + baseband_xmm_set_power_status(BBXMM_PS_L2); + return 0; +} + +static int cardu_usb_hsic_preresume(void) +{ + baseband_xmm_set_power_status(BBXMM_PS_L2TOL0); + return 0; +} + static void cardhu_usb_init(void) { struct board_info bi; @@ -778,6 +790,10 @@ static void cardhu_usb_init(void) tegra_ehci2_device.dev.platform_data = &tegra_ehci_uhsic_pdata; platform_device_register(&tegra_ehci2_device); } else if (bi.board_id == BOARD_E1186) { + /* for baseband devices do not switch off phy during suspend */ + tegra_ehci_uhsic_pdata.power_down_on_bus_suspend = 0; + uhsic_phy_config.postsuspend = cardu_usb_hsic_postsupend; + uhsic_phy_config.preresume = cardu_usb_hsic_preresume; tegra_ehci2_device.dev.platform_data = &tegra_ehci_uhsic_pdata; /* baseband registration happens in baseband-xmm-power */ } else { |