aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/musb
diff options
context:
space:
mode:
authorTony Lindgren <tony@atomide.com>2020-01-15 07:25:30 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-01-15 14:46:55 +0100
commitb769ae4f26e5892df70bf4d3005fe0db35c8ba7b (patch)
treeeea8f060b119cdaaba09bacb69149d65c13387db /drivers/usb/musb
parentusb: musb: Add musb_set_host and peripheral and use them for omap2430 (diff)
downloadlinux-dev-b769ae4f26e5892df70bf4d3005fe0db35c8ba7b.tar.xz
linux-dev-b769ae4f26e5892df70bf4d3005fe0db35c8ba7b.zip
usb: musb: omap2430: Clean up enable and remove devctl tinkering
There should be no need to tinker with devctl in enable in the SoC glue code. We have musb_start() to take care of handling it already. Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Bin Liu <b-liu@ti.com> Link: https://lore.kernel.org/r/20200115132547.364-9-b-liu@ti.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/musb')
-rw-r--r--drivers/usb/musb/omap2430.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 9c1b72a4b12f..2cc54135bb8b 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -276,33 +276,13 @@ static int omap2430_musb_init(struct musb *musb)
static void omap2430_musb_enable(struct musb *musb)
{
- u8 devctl;
- unsigned long timeout = jiffies + msecs_to_jiffies(1000);
struct device *dev = musb->controller;
struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
- struct musb_hdrc_platform_data *pdata = dev_get_platdata(dev);
- struct omap_musb_board_data *data = pdata->board_data;
-
switch (glue->status) {
case MUSB_ID_GROUND:
omap_control_usb_set_mode(glue->control_otghs, USB_MODE_HOST);
- if (data->interface_type != MUSB_INTERFACE_UTMI)
- break;
- devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
- /* start the session */
- devctl |= MUSB_DEVCTL_SESSION;
- musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
- while (musb_readb(musb->mregs, MUSB_DEVCTL) &
- MUSB_DEVCTL_BDEVICE) {
- cpu_relax();
-
- if (time_after(jiffies, timeout)) {
- dev_err(dev, "configured as A device timeout");
- break;
- }
- }
break;
case MUSB_VBUS_VALID: