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authorJens Axboe <axboe@kernel.dk>2011-10-19 08:30:42 -0400
committerJens Axboe <axboe@kernel.dk>2011-10-19 08:30:42 -0400
commit5c04b426f2e8b46cfc7969a35b2631063a3c646c (patch)
tree2d27d9f5d2fe5d5e8fbc01a467ec58bcb50235c1 /drivers/misc/ti-st/st_kim.c
parent499337bb6511e665a236a6a947f819d98ea340c6 (diff)
parent899e3ee404961a90b828ad527573aaaac39f0ab1 (diff)
Merge branch 'v3.1-rc10' into for-3.2/core
Conflicts: block/blk-core.c include/linux/blkdev.h Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/misc/ti-st/st_kim.c')
-rw-r--r--drivers/misc/ti-st/st_kim.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
index 38fd2f04c07e..3a3580566dfc 100644
--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -68,6 +68,7 @@ void validate_firmware_response(struct kim_data_s *kim_gdata)
68 if (unlikely(skb->data[5] != 0)) { 68 if (unlikely(skb->data[5] != 0)) {
69 pr_err("no proper response during fw download"); 69 pr_err("no proper response during fw download");
70 pr_err("data6 %x", skb->data[5]); 70 pr_err("data6 %x", skb->data[5]);
71 kfree_skb(skb);
71 return; /* keep waiting for the proper response */ 72 return; /* keep waiting for the proper response */
72 } 73 }
73 /* becos of all the script being downloaded */ 74 /* becos of all the script being downloaded */
@@ -210,6 +211,7 @@ static long read_local_version(struct kim_data_s *kim_gdata, char *bts_scr_name)
210 pr_err(" waiting for ver info- timed out "); 211 pr_err(" waiting for ver info- timed out ");
211 return -ETIMEDOUT; 212 return -ETIMEDOUT;
212 } 213 }
214 INIT_COMPLETION(kim_gdata->kim_rcvd);
213 215
214 version = 216 version =
215 MAKEWORD(kim_gdata->resp_buffer[13], 217 MAKEWORD(kim_gdata->resp_buffer[13],
@@ -298,6 +300,7 @@ static long download_firmware(struct kim_data_s *kim_gdata)
298 300
299 switch (((struct bts_action *)ptr)->type) { 301 switch (((struct bts_action *)ptr)->type) {
300 case ACTION_SEND_COMMAND: /* action send */ 302 case ACTION_SEND_COMMAND: /* action send */
303 pr_debug("S");
301 action_ptr = &(((struct bts_action *)ptr)->data[0]); 304 action_ptr = &(((struct bts_action *)ptr)->data[0]);
302 if (unlikely 305 if (unlikely
303 (((struct hci_command *)action_ptr)->opcode == 306 (((struct hci_command *)action_ptr)->opcode ==
@@ -335,6 +338,10 @@ static long download_firmware(struct kim_data_s *kim_gdata)
335 release_firmware(kim_gdata->fw_entry); 338 release_firmware(kim_gdata->fw_entry);
336 return -ETIMEDOUT; 339 return -ETIMEDOUT;
337 } 340 }
341 /* reinit completion before sending for the
342 * relevant wait
343 */
344 INIT_COMPLETION(kim_gdata->kim_rcvd);
338 345
339 /* 346 /*
340 * Free space found in uart buffer, call st_int_write 347 * Free space found in uart buffer, call st_int_write
@@ -361,6 +368,7 @@ static long download_firmware(struct kim_data_s *kim_gdata)
361 } 368 }
362 break; 369 break;
363 case ACTION_WAIT_EVENT: /* wait */ 370 case ACTION_WAIT_EVENT: /* wait */
371 pr_debug("W");
364 if (!wait_for_completion_timeout 372 if (!wait_for_completion_timeout
365 (&kim_gdata->kim_rcvd, 373 (&kim_gdata->kim_rcvd,
366 msecs_to_jiffies(CMD_RESP_TIME))) { 374 msecs_to_jiffies(CMD_RESP_TIME))) {
@@ -434,11 +442,17 @@ long st_kim_start(void *kim_data)
434{ 442{
435 long err = 0; 443 long err = 0;
436 long retry = POR_RETRY_COUNT; 444 long retry = POR_RETRY_COUNT;
445 struct ti_st_plat_data *pdata;
437 struct kim_data_s *kim_gdata = (struct kim_data_s *)kim_data; 446 struct kim_data_s *kim_gdata = (struct kim_data_s *)kim_data;
438 447
439 pr_info(" %s", __func__); 448 pr_info(" %s", __func__);
449 pdata = kim_gdata->kim_pdev->dev.platform_data;
440 450
441 do { 451 do {
452 /* platform specific enabling code here */
453 if (pdata->chip_enable)
454 pdata->chip_enable(kim_gdata);
455
442 /* Configure BT nShutdown to HIGH state */ 456 /* Configure BT nShutdown to HIGH state */
443 gpio_set_value(kim_gdata->nshutdown, GPIO_LOW); 457 gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);
444 mdelay(5); /* FIXME: a proper toggle */ 458 mdelay(5); /* FIXME: a proper toggle */
@@ -460,6 +474,12 @@ long st_kim_start(void *kim_data)
460 pr_info("ldisc_install = 0"); 474 pr_info("ldisc_install = 0");
461 sysfs_notify(&kim_gdata->kim_pdev->dev.kobj, 475 sysfs_notify(&kim_gdata->kim_pdev->dev.kobj,
462 NULL, "install"); 476 NULL, "install");
477 /* the following wait is never going to be completed,
478 * since the ldisc was never installed, hence serving
479 * as a mdelay of LDISC_TIME msecs */
480 err = wait_for_completion_timeout
481 (&kim_gdata->ldisc_installed,
482 msecs_to_jiffies(LDISC_TIME));
463 err = -ETIMEDOUT; 483 err = -ETIMEDOUT;
464 continue; 484 continue;
465 } else { 485 } else {
@@ -472,6 +492,13 @@ long st_kim_start(void *kim_data)
472 pr_info("ldisc_install = 0"); 492 pr_info("ldisc_install = 0");
473 sysfs_notify(&kim_gdata->kim_pdev->dev.kobj, 493 sysfs_notify(&kim_gdata->kim_pdev->dev.kobj,
474 NULL, "install"); 494 NULL, "install");
495 /* this wait might be completed, though in the
496 * tty_close() since the ldisc is already
497 * installed */
498 err = wait_for_completion_timeout
499 (&kim_gdata->ldisc_installed,
500 msecs_to_jiffies(LDISC_TIME));
501 err = -EINVAL;
475 continue; 502 continue;
476 } else { /* on success don't retry */ 503 } else { /* on success don't retry */
477 break; 504 break;
@@ -489,6 +516,8 @@ long st_kim_stop(void *kim_data)
489{ 516{
490 long err = 0; 517 long err = 0;
491 struct kim_data_s *kim_gdata = (struct kim_data_s *)kim_data; 518 struct kim_data_s *kim_gdata = (struct kim_data_s *)kim_data;
519 struct ti_st_plat_data *pdata =
520 kim_gdata->kim_pdev->dev.platform_data;
492 521
493 INIT_COMPLETION(kim_gdata->ldisc_installed); 522 INIT_COMPLETION(kim_gdata->ldisc_installed);
494 523
@@ -515,6 +544,10 @@ long st_kim_stop(void *kim_data)
515 gpio_set_value(kim_gdata->nshutdown, GPIO_HIGH); 544 gpio_set_value(kim_gdata->nshutdown, GPIO_HIGH);
516 mdelay(1); 545 mdelay(1);
517 gpio_set_value(kim_gdata->nshutdown, GPIO_LOW); 546 gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);
547
548 /* platform specific disable */
549 if (pdata->chip_disable)
550 pdata->chip_disable(kim_gdata);
518 return err; 551 return err;
519} 552}
520 553