diff options
Diffstat (limited to 'drivers/phy/motorola')
| -rw-r--r-- | drivers/phy/motorola/phy-cpcap-usb.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/phy/motorola/phy-cpcap-usb.c b/drivers/phy/motorola/phy-cpcap-usb.c index 9a38741d3546..5baf64dfb24d 100644 --- a/drivers/phy/motorola/phy-cpcap-usb.c +++ b/drivers/phy/motorola/phy-cpcap-usb.c @@ -115,7 +115,7 @@ struct cpcap_usb_ints_state { enum cpcap_gpio_mode { CPCAP_DM_DP, CPCAP_MDM_RX_TX, - CPCAP_UNKNOWN, + CPCAP_UNKNOWN_DISABLED, /* Seems to disable USB lines */ CPCAP_OTG_DM_DP, }; @@ -381,7 +381,8 @@ static int cpcap_usb_set_uart_mode(struct cpcap_phy_ddata *ddata) { int error; - error = cpcap_usb_gpio_set_mode(ddata, CPCAP_DM_DP); + /* Disable lines to prevent glitches from waking up mdm6600 */ + error = cpcap_usb_gpio_set_mode(ddata, CPCAP_UNKNOWN_DISABLED); if (error) goto out_err; @@ -408,6 +409,11 @@ static int cpcap_usb_set_uart_mode(struct cpcap_phy_ddata *ddata) if (error) goto out_err; + /* Enable UART mode */ + error = cpcap_usb_gpio_set_mode(ddata, CPCAP_DM_DP); + if (error) + goto out_err; + return 0; out_err: @@ -420,7 +426,8 @@ static int cpcap_usb_set_usb_mode(struct cpcap_phy_ddata *ddata) { int error; - error = cpcap_usb_gpio_set_mode(ddata, CPCAP_OTG_DM_DP); + /* Disable lines to prevent glitches from waking up mdm6600 */ + error = cpcap_usb_gpio_set_mode(ddata, CPCAP_UNKNOWN_DISABLED); if (error) return error; @@ -460,6 +467,11 @@ static int cpcap_usb_set_usb_mode(struct cpcap_phy_ddata *ddata) if (error) goto out_err; + /* Enable USB mode */ + error = cpcap_usb_gpio_set_mode(ddata, CPCAP_OTG_DM_DP); + if (error) + goto out_err; + return 0; out_err: |