usb: renesas_usbhs: disable TX IRQ before starting TX DMAC transfer

Browse source

commit 6490865c67 upstream.

This patch adds a code to surely disable TX IRQ of the pipe before
starting TX DMAC transfer. Otherwise, a lot of unnecessary TX IRQs
may happen in rare cases when DMAC is used.

Fixes: e73a989 ("usb: renesas_usbhs: add DMAEngine support")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

This commit is contained in:

Yoshihiro Shimoda 2016-03-10 11:30:15 +09:00 • committed by Ben Hutchings

parent 0a76bf6092

commit 288349b2b4

1 changed files with 1 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

drivers/usb/renesas_usbhs/fifo.c

View file