diff options
| author | Jack Pham <jackp@codeaurora.org> | 2015-12-11 00:28:53 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-01-25 04:51:18 (GMT) |
| commit | 132f5005abbd480b66c58f8113ed876b99b6318e (patch) | |
| tree | 9659ac2d90b401fa6b2dcba8b2de51204ccead9c | |
| parent | adbff3a4f93d8501e8ae11906268e21b086d57ed (diff) | |
| download | linux-132f5005abbd480b66c58f8113ed876b99b6318e.tar.xz | |
usb: host: ehci-msm: Allow LS devices to work
Disable the silicon quirk which is normally enabled for HSIC
host mode. This would otherwise prevent low speed devices
from enumerating properly.
Signed-off-by: Jack Pham <jackp@codeaurora.org>
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/host/ehci-msm.c | 2 | ||||
| -rw-r--r-- | include/linux/usb/msm_hsusb_hw.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c index c23e285..aed499d 100644 --- a/drivers/usb/host/ehci-msm.c +++ b/drivers/usb/host/ehci-msm.c @@ -61,6 +61,8 @@ static int ehci_msm_reset(struct usb_hcd *hcd) writel(0x8, USB_AHBMODE); /* Disable streaming mode and select host mode */ writel(0x13, USB_USBMODE); + /* Disable ULPI_TX_PKT_EN_CLR_FIX which is valid only for HSIC */ + writel(readl(USB_GENCONFIG_2) & ~ULPI_TX_PKT_EN_CLR_FIX, USB_GENCONFIG_2); return 0; } diff --git a/include/linux/usb/msm_hsusb_hw.h b/include/linux/usb/msm_hsusb_hw.h index e159b39..974c379 100644 --- a/include/linux/usb/msm_hsusb_hw.h +++ b/include/linux/usb/msm_hsusb_hw.h @@ -22,6 +22,7 @@ #define USB_AHBBURST (MSM_USB_BASE + 0x0090) #define USB_AHBMODE (MSM_USB_BASE + 0x0098) #define USB_GENCONFIG_2 (MSM_USB_BASE + 0x00a0) +#define ULPI_TX_PKT_EN_CLR_FIX BIT(19) #define USB_CAPLENGTH (MSM_USB_BASE + 0x0100) /* 8 bit */ |