diff options
| author | Alexandre Bailon <abailon@baylibre.com> | 2017-04-16 23:21:18 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-18 16:48:26 +0200 |
| commit | 593bc4622a98c172dbb939103aef917d1800a663 (patch) | |
| tree | 536382265b31a66d28d13dba2af10f8746af3c87 /drivers/usb/musb/musb_core.h | |
| parent | d6299b6efbf66c27d2d8cda009e6d49b53dc4cfe (diff) | |
usb: musb: musb_cppi41: Workaround DMA stall issue during teardown
The DMA may hang up if a teardown is initiated while an endpoint is still
active (Advisory 2.3.27 of DA8xx errata).
To workaround this issue, add a delay before to initiate the teardown.
Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/musb/musb_core.h')
| -rw-r--r-- | drivers/usb/musb/musb_core.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 5b708be6d1d1..3e98d4268a64 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -172,6 +172,7 @@ struct musb_io; */ struct musb_platform_ops { +#define MUSB_DA8XX BIT(8) #define MUSB_PRESERVE_SESSION BIT(7) #define MUSB_DMA_UX500 BIT(6) #define MUSB_DMA_CPPI41 BIT(5) |