We can cleanly handle this inside the sunxi glue, instead of adding special
casing to the core, but setting ep0 addr to 0 on a reset interrupt.
Signed-off-by: Hans de Goede <hdego...@redhat.com>
---
drivers/usb/musb/musb_core.h | 1 -
drivers/usb/musb/musb_gadget.c | 6 ------
drivers/usb/musb/musb_virthub.c | 6 ------
drivers/usb/musb/sunxi.c | 8 +++++++-
4 files changed, 7 insertions(+), 14 deletions(-)
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 30a3123..b1cb2c3 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -169,7 +169,6 @@ struct musb_io;
*/
struct musb_platform_ops {
-#define MUSB_SUN4I BIT(7)
#define MUSB_DMA_UX500 BIT(6)
#define MUSB_DMA_CPPI41 BIT(5)
#define MUSB_DMA_CPPI BIT(4)
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index ec2e908..4c481cd 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -2003,12 +2003,6 @@ void musb_g_disconnect(struct musb *musb)
spin_lock(&musb->lock);
}
- /* On sunxi ep0 FADDR must be 0 when (re)entering peripheral mode */
- if (musb->io.quirks & MUSB_SUN4I) {
- musb_ep_select(musb->mregs, 0);
- musb_writeb(musb->mregs, MUSB_FADDR, 0);
- }
-
switch (musb->xceiv->otg->state) {
default:
dev_dbg(musb->controller, "Unhandled disconnect %s, setting
a_idle\n",
diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c
index fe98623..30842bc 100644
--- a/drivers/usb/musb/musb_virthub.c
+++ b/drivers/usb/musb/musb_virthub.c
@@ -226,12 +226,6 @@ void musb_root_disconnect(struct musb *musb)
usb_hcd_poll_rh_status(musb->hcd);
musb->is_active = 0;
- /* On sunxi ep0 FADDR must be 0 when (re)entering peripheral mode */
- if (musb->io.quirks & MUSB_SUN4I) {
- musb_ep_select(musb->mregs, 0);
- musb_writeb(musb->mregs, MUSB_FADDR, 0);
- }
-
switch (musb->xceiv->otg->state) {
case OTG_STATE_A_SUSPEND:
if (otg->host->b_hnp_enable) {
diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c
index 5db882f..8fc39af 100644
--- a/drivers/usb/musb/sunxi.c
+++ b/drivers/usb/musb/sunxi.c
@@ -183,6 +183,12 @@ static irqreturn_t sunxi_musb_interrupt(int irq, void
*__hci)
musb->int_usb |= MUSB_INTR_DISCONNECT;
}
+ if ((musb->int_usb & MUSB_INTR_RESET) && !is_host_active(musb)) {
+ /* ep0 FADDR must be 0 when (re)entering peripheral mode */
+ musb_ep_select(musb->mregs, 0);
+ musb_writeb(musb->mregs, MUSB_FADDR, 0);
+ }
+
musb->int_tx = readw(musb->mregs + SUNXI_MUSB_INTRTX);
if (musb->int_tx)
writew(musb->int_tx, musb->mregs + SUNXI_MUSB_INTRTX);
@@ -519,7 +525,7 @@ static void sunxi_musb_writew(void __iomem *addr, unsigned
offset, u16 data)
}
static const struct musb_platform_ops sunxi_musb_ops = {
- .quirks = MUSB_INDEXED_EP | MUSB_SUN4I,
+ .quirks = MUSB_INDEXED_EP,
.init = sunxi_musb_init,
.exit = sunxi_musb_exit,
.enable = sunxi_musb_enable,
--
2.4.2
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