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u-boot-brain/drivers/usb/gadget
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Kuo-Jung Su dcad280056 usb: gadget: fotg210: EP0 fifo empty indication is non-reliable 
The fifo size of ep0 is 64 bytes, and if the packet size grater than
64 bytes, the driver would have to fill up the fifo multiple times,
and before filling up the fifo, the driver should make sure the fifo
is empty by checking fifo empty indication.

However there is a hardware bug that the fifo empty indication is
somehow a bit earlier than fifo reset. So if I don't add an extra
delay here, the data might be corrupted. (i.e., 1 byte missing)

After a couple of tests, it truns out that 1 usec is good enough.

This workaround should be applied to all hardware revisions.

Signed-off-by: Kuo-Jung Su <dantesu@faraday-tech.com>
CC: Marek Vasut <marex@denx.de>
2014-01-13 12:15:13 +01:00
..
atmel_usba_udc.c USB: gadget: atmel: disconnect before unbind 2013-09-24 17:51:36 +02:00
atmel_usba_udc.h USB: gadget: add atmel usba udc driver 2013-09-24 17:51:35 +02:00
composite.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
config.c usb: gadget: config: fix unaligned access issues 2013-09-24 17:51:35 +02:00
core.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
designware_udc.c usb: udc: add udc.h include file 2013-10-20 23:46:38 +02:00
ep0.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ep0.h Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
epautoconf.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ether.c usb: gadget: ether: return error from rx_submit if no request 2013-10-20 23:42:39 +02:00
f_dfu.c usb: f_dfu: cosmetic: Code cleanup 2013-12-18 19:53:19 +01:00
f_dfu.h usb: dfu: f_dfu: Provide infrastructure to adjust DFU's Poll Timeout value 2013-12-18 19:53:19 +01:00
f_mass_storage.c usb: ums: add ums exit feature by ctrl+c or by detach usb cable 2013-11-08 20:46:19 +01:00
f_thor.c usb:g_dnl:f_thor: USB download function to support TIZEN's THOR protocol 2013-10-20 23:42:41 +02:00
f_thor.h usb:g_dnl:f_thor: USB download function to support TIZEN's THOR protocol 2013-10-20 23:42:41 +02:00
fotg210.c usb: gadget: fotg210: EP0 fifo empty indication is non-reliable 2014-01-13 12:15:13 +01:00
g_dnl.c usb, g_dnl: make bcdDevice value configurable 2013-11-12 09:53:59 -05:00
gadget_chips.h usb: mv_udc: Unbreak the mv_udc driver 2013-07-29 23:01:31 +02:00
Makefile drivers/usb/gadget: select objects by obj-$(CONFIG-...) 2013-12-13 09:18:44 -05:00
mpc8xx_udc.c usb: udc: add udc.h include file 2013-10-20 23:46:38 +02:00
mv_udc.c usb: gadget: mv_udc: split mv_udc.h file 2013-10-20 23:46:36 +02:00
mv_udc.h usb: gadget: mv_udc: split mv_udc.h file 2013-10-20 23:46:36 +02:00
ndis.h USB: Add USB RNDIS gadget protocol 2011-02-19 20:32:37 +01:00
omap1510_udc.c usb: udc: add udc.h include file 2013-10-20 23:46:38 +02:00
pxa25x_udc.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
pxa25x_udc.h Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
pxa27x_udc.c usb: udc: add udc.h include file 2013-10-20 23:46:38 +02:00
regs-otg.h driver:usb:s3c_udc: add support for Exynos4x12 2013-12-02 11:22:32 +09:00
rndis.c Coding Style cleanup: remove trailing empty lines 2011-03-27 21:48:08 +02:00
rndis.h USB-RNDIS: Send RNDIS state on disconnecting 2011-02-19 20:32:38 +01:00
s3c_udc_otg_xfer_dma.c usb:udc:s3c: Reduce dcache invalidate range for UDC receive buffer 2013-10-20 23:42:40 +02:00
s3c_udc_otg.c driver:usb:s3c_udc: add support for Exynos4x12 2013-12-02 11:22:32 +09:00
storage_common.c usb: ums: fix disk capacity miscalculation and code cleanup 2013-11-08 20:46:19 +01:00
usbstring.c Add LGPL-2.1+ SPDX-License-Identifier to source files 2013-07-24 09:45:01 -04:00