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staging: most: hdm-usb: rename channel related spinlock

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To increase comprehension this patch renames the channel related
spinlock with a more fitting name.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Gromm 2016-09-19 17:40:25 +02:00 • committed by Greg Kroah-Hartman
parent 3fbcb92b74
commit 88d1878bca
1 changed files with 6 additions and 6 deletions
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12
drivers/staging/most/hdm-usb/hdm_usb.c
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@ -102,7 +102,7 @@ struct clear_hold_work {
* @link_stat: link status of hardware * @link_stat: link status of hardware
* @description: device description * @description: device description
* @suffix: suffix for channel name * @suffix: suffix for channel name
* @anchor_list_lock: locks list access * @channel_lock: synchronize channel access
* @padding_active: indicates channel uses padding * @padding_active: indicates channel uses padding
* @is_channel_healthy: health status table of each channel * @is_channel_healthy: health status table of each channel
* @busy_urbs: list of anchored items * @busy_urbs: list of anchored items
@ -122,7 +122,7 @@ struct most_dev {
u16 link_stat; u16 link_stat;
char description[MAX_STRING_LEN]; char description[MAX_STRING_LEN];
char suffix[MAX_NUM_ENDPOINTS][MAX_SUFFIX_LEN]; char suffix[MAX_NUM_ENDPOINTS][MAX_SUFFIX_LEN];
spinlock_t anchor_list_lock[MAX_NUM_ENDPOINTS]; spinlock_t channel_lock[MAX_NUM_ENDPOINTS]; /* sync channel access */
bool padding_active[MAX_NUM_ENDPOINTS]; bool padding_active[MAX_NUM_ENDPOINTS];
bool is_channel_healthy[MAX_NUM_ENDPOINTS]; bool is_channel_healthy[MAX_NUM_ENDPOINTS];
struct clear_hold_work clear_work[MAX_NUM_ENDPOINTS]; struct clear_hold_work clear_work[MAX_NUM_ENDPOINTS];
@ -270,7 +270,7 @@ static int hdm_poison_channel(struct most_interface *iface, int channel)
return -ECHRNG; return -ECHRNG;
} }
lock = mdev->anchor_list_lock + channel; lock = mdev->channel_lock + channel;
spin_lock_irqsave(lock, flags); spin_lock_irqsave(lock, flags);
mdev->is_channel_healthy[channel] = false; mdev->is_channel_healthy[channel] = false;
spin_unlock_irqrestore(lock, flags); spin_unlock_irqrestore(lock, flags);
@ -373,7 +373,7 @@ static void hdm_write_completion(struct urb *urb)
struct most_dev *mdev = to_mdev(mbo->ifp); struct most_dev *mdev = to_mdev(mbo->ifp);
unsigned int channel = mbo->hdm_channel_id; unsigned int channel = mbo->hdm_channel_id;
struct device *dev = &mdev->usb_device->dev; struct device *dev = &mdev->usb_device->dev;
spinlock_t *lock = mdev->anchor_list_lock + channel; /* temp. lock */ spinlock_t *lock = mdev->channel_lock + channel;
unsigned long flags; unsigned long flags;
spin_lock_irqsave(lock, flags); spin_lock_irqsave(lock, flags);
@ -527,7 +527,7 @@ static void hdm_read_completion(struct urb *urb)
struct most_dev *mdev = to_mdev(mbo->ifp); struct most_dev *mdev = to_mdev(mbo->ifp);
unsigned int channel = mbo->hdm_channel_id; unsigned int channel = mbo->hdm_channel_id;
struct device *dev = &mdev->usb_device->dev; struct device *dev = &mdev->usb_device->dev;
spinlock_t *lock = mdev->anchor_list_lock + channel; /* temp. lock */ spinlock_t *lock = mdev->channel_lock + channel;
unsigned long flags; unsigned long flags;
spin_lock_irqsave(lock, flags); spin_lock_irqsave(lock, flags);
@ -1261,7 +1261,7 @@ hdm_probe(struct usb_interface *interface, const struct usb_device_id *id)
tmp_cap->direction = MOST_CH_TX; tmp_cap->direction = MOST_CH_TX;
tmp_cap++; tmp_cap++;
init_usb_anchor(&mdev->busy_urbs[i]); init_usb_anchor(&mdev->busy_urbs[i]);
spin_lock_init(&mdev->anchor_list_lock[i]); spin_lock_init(&mdev->channel_lock[i]);
err = drci_wr_reg(usb_dev, err = drci_wr_reg(usb_dev,
DRCI_REG_BASE + DRCI_COMMAND + DRCI_REG_BASE + DRCI_COMMAND +
ep_desc->bEndpointAddress * 16, ep_desc->bEndpointAddress * 16,