diff options
Diffstat (limited to 'drivers/usb/chipidea/usbmisc_imx.c')
| -rw-r--r-- | drivers/usb/chipidea/usbmisc_imx.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c index 43a15a6e86f5..4c3839d345cd 100644 --- a/drivers/usb/chipidea/usbmisc_imx.c +++ b/drivers/usb/chipidea/usbmisc_imx.c @@ -356,11 +356,17 @@ static int usbmisc_imx6q_init(struct imx_usbmisc_data *data) reg = readl(usbmisc->base + data->index * 4); if (data->disable_oc) { reg |= MX6_BM_OVER_CUR_DIS; - } else if (data->oc_polarity == 1) { - /* High active */ - reg &= ~(MX6_BM_OVER_CUR_DIS | MX6_BM_OVER_CUR_POLARITY); } else { - reg &= ~(MX6_BM_OVER_CUR_DIS); + reg &= ~MX6_BM_OVER_CUR_DIS; + + /* + * If the polarity is not configured keep it as setup by the + * bootloader. + */ + if (data->oc_pol_configured && data->oc_pol_active_low) + reg |= MX6_BM_OVER_CUR_POLARITY; + else if (data->oc_pol_configured) + reg &= ~MX6_BM_OVER_CUR_POLARITY; } writel(reg, usbmisc->base + data->index * 4); @@ -552,9 +558,17 @@ static int usbmisc_imx7d_init(struct imx_usbmisc_data *data) reg = readl(usbmisc->base); if (data->disable_oc) { reg |= MX6_BM_OVER_CUR_DIS; - } else if (data->oc_polarity == 1) { - /* High active */ - reg &= ~(MX6_BM_OVER_CUR_DIS | MX6_BM_OVER_CUR_POLARITY); + } else { + reg &= ~MX6_BM_OVER_CUR_DIS; + + /* + * If the polarity is not configured keep it as setup by the + * bootloader. + */ + if (data->oc_pol_configured && data->oc_pol_active_low) + reg |= MX6_BM_OVER_CUR_POLARITY; + else if (data->oc_pol_configured) + reg &= ~MX6_BM_OVER_CUR_POLARITY; } writel(reg, usbmisc->base); |