usb: usbtmc: Fix ioctl USBTMC_IOCTL_ABORT_BULK_OUT
authorGuido Kiener <guido@kiener-muenchen.de>
Wed, 12 Sep 2018 08:51:05 +0000 (10:51 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 20 Nov 2019 17:47:07 +0000 (18:47 +0100)
commit5e9923e85e1c7bff99a964417d5ae1808e23dfb5
treeae597383d0655ea69b0d88e58f2d3f246ab6a3c7
parent92aeb3756c432aef63d461d451275eef7388a169
usb: usbtmc: Fix ioctl USBTMC_IOCTL_ABORT_BULK_OUT

[ Upstream commit 0e59088e7ff7aeda49dedadbf0e967761b909ad8 ]

Add parameter 'tag' to function usbtmc_ioctl_abort_bulk_out_tag()
for future versions.

Use USBTMC_BUFSIZE (4k) instead of USBTMC_SIZE_IOBUFFER (2k).
Using USBTMC_SIZE_IOBUFFER is deprecated.

Insert a sleep of 50 ms between subsequent
CHECK_ABORT_BULK_OUT_STATUS control requests to avoid stressing
the instrument with repeated requests.

Use common macro USB_CTRL_GET_TIMEOUT instead of USBTMC_TIMEOUT.

Signed-off-by: Guido Kiener <guido.kiener@rohde-schwarz.com>
Reviewed-by: Steve Bayless <steve_bayless@keysight.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/usb/class/usbtmc.c