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| author | hselasky <hselasky@FreeBSD.org> | 2015-01-19 07:18:59 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2015-01-19 07:18:59 +0000 |
| commit | 544eb7ca086177ee94d5fd95014daa503f678669 (patch) | |
| tree | 1d8ba09cedecf95825ed0ab522cc065bfca1c955 /sys/dev/usb/controller/musb_otg.c | |
| parent | 5f3d7c27fb5899fbf2e40a5a0cc6eee2d1e84c30 (diff) | |
| download | FreeBSD-src-544eb7ca086177ee94d5fd95014daa503f678669.zip FreeBSD-src-544eb7ca086177ee94d5fd95014daa503f678669.tar.gz | |
MFC r276798:
Fix handling of an error case when the MUSB driver is operating in USB
device side mode.
Diffstat (limited to 'sys/dev/usb/controller/musb_otg.c')
| -rw-r--r-- | sys/dev/usb/controller/musb_otg.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/sys/dev/usb/controller/musb_otg.c b/sys/dev/usb/controller/musb_otg.c index 091e471..98dc622 100644 --- a/sys/dev/usb/controller/musb_otg.c +++ b/sys/dev/usb/controller/musb_otg.c @@ -401,7 +401,7 @@ musbotg_dev_ctrl_setup_rx(struct musbotg_td *td) /* do not stall at this point */ td->did_stall = 1; /* wait for interrupt */ - DPRINTFN(0, "CSR0 DATAEND\n"); + DPRINTFN(1, "CSR0 DATAEND\n"); goto not_complete; } @@ -423,32 +423,37 @@ musbotg_dev_ctrl_setup_rx(struct musbotg_td *td) sc->sc_ep0_busy = 0; } if (sc->sc_ep0_busy) { - DPRINTFN(0, "EP0 BUSY\n"); + DPRINTFN(1, "EP0 BUSY\n"); goto not_complete; } if (!(csr & MUSB2_MASK_CSR0L_RXPKTRDY)) { goto not_complete; } - /* clear did stall flag */ - td->did_stall = 0; /* get the packet byte count */ count = MUSB2_READ_2(sc, MUSB2_REG_RXCOUNT); /* verify data length */ if (count != td->remainder) { - DPRINTFN(0, "Invalid SETUP packet " + DPRINTFN(1, "Invalid SETUP packet " "length, %d bytes\n", count); MUSB2_WRITE_1(sc, MUSB2_REG_TXCSRL, MUSB2_MASK_CSR0L_RXPKTRDY_CLR); + /* don't clear stall */ + td->did_stall = 1; goto not_complete; } if (count != sizeof(req)) { - DPRINTFN(0, "Unsupported SETUP packet " + DPRINTFN(1, "Unsupported SETUP packet " "length, %d bytes\n", count); MUSB2_WRITE_1(sc, MUSB2_REG_TXCSRL, MUSB2_MASK_CSR0L_RXPKTRDY_CLR); + /* don't clear stall */ + td->did_stall = 1; goto not_complete; } + /* clear did stall flag */ + td->did_stall = 0; + /* receive data */ bus_space_read_multi_1(sc->sc_io_tag, sc->sc_io_hdl, MUSB2_REG_EPFIFO(0), (void *)&req, sizeof(req)); |
