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path: root/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
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Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-i2c-core.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-i2c-core.c63
1 files changed, 19 insertions, 44 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
index 6786d3c0c98..898c9d2e4cd 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
@@ -389,10 +389,6 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
ret = -EINVAL;
goto done;
}
- if ((msgs[0].flags & I2C_M_NOSTART)) {
- trace_i2c("i2c refusing I2C_M_NOSTART");
- goto done;
- }
if (msgs[0].addr < PVR2_I2C_FUNC_CNT) {
funcp = hdw->i2c_func[msgs[0].addr];
}
@@ -494,14 +490,12 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
cnt = msgs[idx].len;
printk(KERN_INFO
"pvrusb2 i2c xfer %u/%u:"
- " addr=0x%x len=%d %s%s",
+ " addr=0x%x len=%d %s",
idx+1,num,
msgs[idx].addr,
cnt,
(msgs[idx].flags & I2C_M_RD ?
- "read" : "write"),
- (msgs[idx].flags & I2C_M_NOSTART ?
- " nostart" : ""));
+ "read" : "write"));
if ((ret > 0) || !(msgs[idx].flags & I2C_M_RD)) {
if (cnt > 8) cnt = 8;
printk(" [");
@@ -534,7 +528,7 @@ static int pvr2_i2c_control(struct i2c_adapter *adapter,
static u32 pvr2_i2c_functionality(struct i2c_adapter *adap)
{
- return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C | I2C_FUNC_SMBUS_BYTE_DATA;
+ return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
}
static int pvr2_i2c_core_singleton(struct i2c_client *cp,
@@ -576,15 +570,13 @@ int pvr2_i2c_client_cmd(struct pvr2_i2c_client *cp,unsigned int cmd,void *arg)
int pvr2_i2c_core_cmd(struct pvr2_hdw *hdw,unsigned int cmd,void *arg)
{
- struct list_head *item,*nc;
- struct pvr2_i2c_client *cp;
+ struct pvr2_i2c_client *cp, *ncp;
int stat = -EINVAL;
if (!hdw) return stat;
mutex_lock(&hdw->i2c_list_lock);
- list_for_each_safe(item,nc,&hdw->i2c_clients) {
- cp = list_entry(item,struct pvr2_i2c_client,list);
+ list_for_each_entry_safe(cp, ncp, &hdw->i2c_clients, list) {
if (!cp->recv_enable) continue;
mutex_unlock(&hdw->i2c_list_lock);
stat = pvr2_i2c_client_cmd(cp,cmd,arg);
@@ -608,13 +600,11 @@ static int handler_check(struct pvr2_i2c_client *cp)
void pvr2_i2c_core_status_poll(struct pvr2_hdw *hdw)
{
- struct list_head *item;
struct pvr2_i2c_client *cp;
mutex_lock(&hdw->i2c_list_lock); do {
struct v4l2_tuner *vtp = &hdw->tuner_signal_info;
memset(vtp,0,sizeof(*vtp));
- list_for_each(item,&hdw->i2c_clients) {
- cp = list_entry(item,struct pvr2_i2c_client,list);
+ list_for_each_entry(cp, &hdw->i2c_clients, list) {
if (!cp->detected_flag) continue;
if (!cp->status_poll) continue;
cp->status_poll(cp);
@@ -636,8 +626,7 @@ void pvr2_i2c_core_sync(struct pvr2_hdw *hdw)
{
unsigned long msk;
unsigned int idx;
- struct list_head *item,*nc;
- struct pvr2_i2c_client *cp;
+ struct pvr2_i2c_client *cp, *ncp;
if (!hdw->i2c_linked) return;
if (!(hdw->i2c_pend_types & PVR2_I2C_PEND_ALL)) {
@@ -655,9 +644,7 @@ void pvr2_i2c_core_sync(struct pvr2_hdw *hdw)
buf = kmalloc(BUFSIZE,GFP_KERNEL);
pvr2_trace(PVR2_TRACE_I2C_CORE,"i2c: PEND_DETECT");
hdw->i2c_pend_types &= ~PVR2_I2C_PEND_DETECT;
- list_for_each(item,&hdw->i2c_clients) {
- cp = list_entry(item,struct pvr2_i2c_client,
- list);
+ list_for_each_entry(cp, &hdw->i2c_clients, list) {
if (!cp->detected_flag) {
cp->ctl_mask = 0;
pvr2_i2c_probe(hdw,cp);
@@ -693,9 +680,7 @@ void pvr2_i2c_core_sync(struct pvr2_hdw *hdw)
"i2c: PEND_STALE (0x%lx)",
hdw->i2c_stale_mask);
hdw->i2c_pend_types &= ~PVR2_I2C_PEND_STALE;
- list_for_each(item,&hdw->i2c_clients) {
- cp = list_entry(item,struct pvr2_i2c_client,
- list);
+ list_for_each_entry(cp, &hdw->i2c_clients, list) {
m2 = hdw->i2c_stale_mask;
m2 &= cp->ctl_mask;
m2 &= ~cp->pend_mask;
@@ -716,9 +701,8 @@ void pvr2_i2c_core_sync(struct pvr2_hdw *hdw)
and update each one. */
pvr2_trace(PVR2_TRACE_I2C_CORE,"i2c: PEND_CLIENT");
hdw->i2c_pend_types &= ~PVR2_I2C_PEND_CLIENT;
- list_for_each_safe(item,nc,&hdw->i2c_clients) {
- cp = list_entry(item,struct pvr2_i2c_client,
- list);
+ list_for_each_entry_safe(cp, ncp, &hdw->i2c_clients,
+ list) {
if (!cp->handler) continue;
if (!cp->handler->func_table->update) continue;
pvr2_trace(PVR2_TRACE_I2C_CORE,
@@ -750,10 +734,8 @@ void pvr2_i2c_core_sync(struct pvr2_hdw *hdw)
for (idx = 0, msk = 1; pm; idx++, msk <<= 1) {
if (!(pm & msk)) continue;
pm &= ~msk;
- list_for_each(item,&hdw->i2c_clients) {
- cp = list_entry(item,
- struct pvr2_i2c_client,
- list);
+ list_for_each_entry(cp, &hdw->i2c_clients,
+ list) {
if (cp->pend_mask & msk) {
cp->pend_mask &= ~msk;
cp->recv_enable = !0;
@@ -777,7 +759,6 @@ int pvr2_i2c_core_check_stale(struct pvr2_hdw *hdw)
unsigned long msk,sm,pm;
unsigned int idx;
const struct pvr2_i2c_op *opf;
- struct list_head *item;
struct pvr2_i2c_client *cp;
unsigned int pt = 0;
@@ -796,11 +777,9 @@ int pvr2_i2c_core_check_stale(struct pvr2_hdw *hdw)
}
if (sm) pt |= PVR2_I2C_PEND_STALE;
- list_for_each(item,&hdw->i2c_clients) {
- cp = list_entry(item,struct pvr2_i2c_client,list);
- if (!handler_check(cp)) continue;
- pt |= PVR2_I2C_PEND_CLIENT;
- }
+ list_for_each_entry(cp, &hdw->i2c_clients, list)
+ if (handler_check(cp))
+ pt |= PVR2_I2C_PEND_CLIENT;
if (pt) {
mutex_lock(&hdw->i2c_list_lock); do {
@@ -888,12 +867,10 @@ unsigned int pvr2_i2c_report(struct pvr2_hdw *hdw,
char *buf,unsigned int maxlen)
{
unsigned int ccnt,bcnt;
- struct list_head *item;
struct pvr2_i2c_client *cp;
ccnt = 0;
mutex_lock(&hdw->i2c_list_lock); do {
- list_for_each(item,&hdw->i2c_clients) {
- cp = list_entry(item,struct pvr2_i2c_client,list);
+ list_for_each_entry(cp, &hdw->i2c_clients, list) {
bcnt = pvr2_i2c_client_describe(
cp,
(PVR2_I2C_DETAIL_HANDLER|
@@ -931,13 +908,11 @@ static int pvr2_i2c_attach_inform(struct i2c_client *client)
static int pvr2_i2c_detach_inform(struct i2c_client *client)
{
struct pvr2_hdw *hdw = (struct pvr2_hdw *)(client->adapter->algo_data);
- struct pvr2_i2c_client *cp;
- struct list_head *item,*nc;
+ struct pvr2_i2c_client *cp, *ncp;
unsigned long amask = 0;
int foundfl = 0;
mutex_lock(&hdw->i2c_list_lock); do {
- list_for_each_safe(item,nc,&hdw->i2c_clients) {
- cp = list_entry(item,struct pvr2_i2c_client,list);
+ list_for_each_entry_safe(cp, ncp, &hdw->i2c_clients, list) {
if (cp->client == client) {
trace_i2c("pvr2_i2c_detach"
" [client=%s @ 0x%x ctxt=%p]",
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-22 05:46:40 +0000