diff options
| author | Philippe Langlais <philippe.langlais@linaro.org> | 2012-03-16 08:24:51 +0100 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 11:03:21 +0200 |
| commit | debdb58003798a24e6565817a722a5272ec5706c (patch) | |
| tree | 5484107d369eff818d34ae6dd1cb84867a76df5c | |
| parent | 49ad144fbf2abcc415847975e79f0ef9bb5e78c6 (diff) | |
ANDROID: USB: ab8500-usb wakelock
Wake Lock implemented in Host handler, in enable/disable physical layer
Signed-off-by: Philippe Langlais <philippe.langlais@stericsson.com>
| -rw-r--r-- | drivers/usb/otg/ab8500-usb.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/otg/ab8500-usb.c b/drivers/usb/otg/ab8500-usb.c index 49c5d31c150..d6e83a4d671 100644 --- a/drivers/usb/otg/ab8500-usb.c +++ b/drivers/usb/otg/ab8500-usb.c @@ -37,6 +37,9 @@ #include <linux/mfd/dbx500-prcmu.h> #include <linux/kernel_stat.h> #include <linux/pm_qos.h> +#include <linux/wakelock.h> + +static struct wake_lock ab8500_musb_wakelock; #define AB8500_MAIN_WD_CTRL_REG 0x01 #define AB8500_USB_LINE_STAT_REG 0x80 @@ -272,6 +275,8 @@ static void ab8500_usb_phy_enable(struct ab8500_usb *ab, bool sel_host) bit = sel_host ? AB8500_BIT_PHY_CTRL_HOST_EN : AB8500_BIT_PHY_CTRL_DEVICE_EN; + wake_lock(&ab8500_musb_wakelock); + clk_enable(ab->sysclk); ab8500_usb_regulator_ctrl(ab, sel_host, true); @@ -334,6 +339,8 @@ static void ab8500_usb_phy_disable(struct ab8500_usb *ab, bool sel_host) prcmu_qos_update_requirement(PRCMU_QOS_ARM_OPP, "usb", 25); } + + wake_unlock(&ab8500_musb_wakelock); } #define ab8500_usb_host_phy_en(ab) ab8500_usb_phy_enable(ab, true) @@ -1082,6 +1089,7 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev) dev_info(&pdev->dev, "revision 0x%2x driver initialized\n", rev); prcmu_qos_add_requirement(PRCMU_QOS_ARM_OPP, "usb", 25); + wake_lock_init(&ab8500_musb_wakelock, WAKE_LOCK_SUSPEND, "ab8500-usb"); err = ab8500_usb_boot_detect(ab); if (err < 0) |