[PATCH 2/9] staging: most: hdm-usb: provide MBO status when freeing buffers
Christian Gromm
christian.gromm at microchip.com
Fri Jun 17 15:38:08 UTC 2016
This patch adds the additional status parameter to function
free_anchored_buffers. This allows to dispatch further processing based
on this flag.
Signed-off-by: Andrey Shvetsov <andrey.shvetsov at k2l.de>
Signed-off-by: Christian Gromm <christian.gromm at microchip.com>
---
drivers/staging/most/hdm-usb/hdm_usb.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/most/hdm-usb/hdm_usb.c b/drivers/staging/most/hdm-usb/hdm_usb.c
index d2139d1..52d66d4 100644
--- a/drivers/staging/most/hdm-usb/hdm_usb.c
+++ b/drivers/staging/most/hdm-usb/hdm_usb.c
@@ -190,8 +190,10 @@ static inline int drci_wr_reg(struct usb_device *dev, u16 reg, u16 data)
* free_anchored_buffers - free device's anchored items
* @mdev: the device
* @channel: channel ID
+ * @status: status of MBO termination
*/
-static void free_anchored_buffers(struct most_dev *mdev, unsigned int channel)
+static void free_anchored_buffers(struct most_dev *mdev, unsigned int channel,
+ enum mbo_status_flags status)
{
struct mbo *mbo;
struct buf_anchor *anchor, *tmp;
@@ -212,7 +214,7 @@ static void free_anchored_buffers(struct most_dev *mdev, unsigned int channel)
wait_for_completion(&anchor->urb_compl);
}
if ((mbo) && (mbo->complete)) {
- mbo->status = MBO_E_CLOSE;
+ mbo->status = status;
mbo->processed_length = 0;
mbo->complete(mbo);
}
@@ -288,7 +290,7 @@ static int hdm_poison_channel(struct most_interface *iface, int channel)
mdev->is_channel_healthy[channel] = false;
mutex_lock(&mdev->io_mutex);
- free_anchored_buffers(mdev, channel);
+ free_anchored_buffers(mdev, channel, MBO_E_CLOSE);
if (mdev->padding_active[channel])
mdev->padding_active[channel] = false;
--
1.9.1
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