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author | Arjan van de Ven <arjan@infradead.org> | 2006-01-13 15:52:55 +0100 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-01-31 17:23:40 -0800 |
commit | ab3c81ff639fbee4ab32af84c809d283b773084a (patch) | |
tree | 6981ca653daa753d2a6d0bbebd4a62b1755d91ef /drivers/usb/atm/usbatm.c | |
parent | a3673d3cd1cdeec6b503ffa418ca2d5aeff82fd7 (diff) | |
download | kernel_samsung_smdk4412-ab3c81ff639fbee4ab32af84c809d283b773084a.zip kernel_samsung_smdk4412-ab3c81ff639fbee4ab32af84c809d283b773084a.tar.gz kernel_samsung_smdk4412-ab3c81ff639fbee4ab32af84c809d283b773084a.tar.bz2 |
[PATCH] USBATM: semaphore to mutex conversion
This is the usbatm part of the Arjan, Jes and Ingo
mass semaphore to mutex conversion, reworked to apply on top
of the patches I just sent to you. This time, with correct
attribution and signed-off lines.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Duncan Sands <baldrick@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/atm/usbatm.c')
-rw-r--r-- | drivers/usb/atm/usbatm.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index 5d339af..c1211fc 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -823,7 +823,7 @@ static int usbatm_atm_open(struct atm_vcc *vcc) return -EINVAL; } - down(&instance->serialize); /* vs self, usbatm_atm_close, usbatm_usb_disconnect */ + mutex_lock(&instance->serialize); /* vs self, usbatm_atm_close, usbatm_usb_disconnect */ if (instance->disconnected) { atm_dbg(instance, "%s: disconnected!\n", __func__); @@ -867,7 +867,7 @@ static int usbatm_atm_open(struct atm_vcc *vcc) set_bit(ATM_VF_PARTIAL, &vcc->flags); set_bit(ATM_VF_READY, &vcc->flags); - up(&instance->serialize); + mutex_unlock(&instance->serialize); atm_dbg(instance, "%s: allocated vcc data 0x%p\n", __func__, new); @@ -875,7 +875,7 @@ static int usbatm_atm_open(struct atm_vcc *vcc) fail: kfree(new); - up(&instance->serialize); + mutex_unlock(&instance->serialize); return ret; } @@ -896,7 +896,7 @@ static void usbatm_atm_close(struct atm_vcc *vcc) usbatm_cancel_send(instance, vcc); - down(&instance->serialize); /* vs self, usbatm_atm_open, usbatm_usb_disconnect */ + mutex_lock(&instance->serialize); /* vs self, usbatm_atm_open, usbatm_usb_disconnect */ tasklet_disable(&instance->rx_channel.tasklet); if (instance->cached_vcc == vcc_data) { @@ -919,7 +919,7 @@ static void usbatm_atm_close(struct atm_vcc *vcc) clear_bit(ATM_VF_PARTIAL, &vcc->flags); clear_bit(ATM_VF_ADDR, &vcc->flags); - up(&instance->serialize); + mutex_unlock(&instance->serialize); atm_dbg(instance, "%s successful\n", __func__); } @@ -1009,9 +1009,9 @@ static int usbatm_do_heavy_init(void *arg) if (!ret) ret = usbatm_atm_init(instance); - down(&instance->serialize); + mutex_lock(&instance->serialize); instance->thread_pid = -1; - up(&instance->serialize); + mutex_unlock(&instance->serialize); complete_and_exit(&instance->thread_exited, ret); } @@ -1025,9 +1025,9 @@ static int usbatm_heavy_init(struct usbatm_data *instance) return ret; } - down(&instance->serialize); + mutex_lock(&instance->serialize); instance->thread_pid = ret; - up(&instance->serialize); + mutex_unlock(&instance->serialize); wait_for_completion(&instance->thread_started); @@ -1110,7 +1110,7 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, /* private fields */ kref_init(&instance->refcount); /* dropped in usbatm_usb_disconnect */ - init_MUTEX(&instance->serialize); + mutex_init(&instance->serialize); instance->thread_pid = -1; init_completion(&instance->thread_started); @@ -1273,18 +1273,18 @@ void usbatm_usb_disconnect(struct usb_interface *intf) usb_set_intfdata(intf, NULL); - down(&instance->serialize); + mutex_lock(&instance->serialize); instance->disconnected = 1; if (instance->thread_pid >= 0) kill_proc(instance->thread_pid, SIGTERM, 1); - up(&instance->serialize); + mutex_unlock(&instance->serialize); wait_for_completion(&instance->thread_exited); - down(&instance->serialize); + mutex_lock(&instance->serialize); list_for_each_entry(vcc_data, &instance->vcc_list, list) vcc_release_async(vcc_data->vcc, -EPIPE); - up(&instance->serialize); + mutex_unlock(&instance->serialize); tasklet_disable(&instance->rx_channel.tasklet); tasklet_disable(&instance->tx_channel.tasklet); |