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-rw-r--r--drivers/spi/at25.c2
-rw-r--r--drivers/spi/atmel_spi.c2
-rw-r--r--drivers/spi/spi.c10
-rw-r--r--drivers/spi/spi_bitbang.c26
-rw-r--r--drivers/spi/spi_s3c24xx.c6
5 files changed, 11 insertions, 35 deletions
diff --git a/drivers/spi/at25.c b/drivers/spi/at25.c
index 48e4f48e779f..8efa07e8b8c2 100644
--- a/drivers/spi/at25.c
+++ b/drivers/spi/at25.c
@@ -291,7 +291,7 @@ static int at25_probe(struct spi_device *spi)
291 */ 291 */
292 sr = spi_w8r8(spi, AT25_RDSR); 292 sr = spi_w8r8(spi, AT25_RDSR);
293 if (sr < 0 || sr & AT25_SR_nRDY) { 293 if (sr < 0 || sr & AT25_SR_nRDY) {
294 dev_dbg(&at25->spi->dev, "rdsr --> %d (%02x)\n", sr, sr); 294 dev_dbg(&spi->dev, "rdsr --> %d (%02x)\n", sr, sr);
295 err = -ENXIO; 295 err = -ENXIO;
296 goto fail; 296 goto fail;
297 } 297 }
diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c
index 6fa260d1a9be..66e7bc985797 100644
--- a/drivers/spi/atmel_spi.c
+++ b/drivers/spi/atmel_spi.c
@@ -425,7 +425,7 @@ static int atmel_spi_setup(struct spi_device *spi)
425 if (ret) 425 if (ret)
426 return ret; 426 return ret;
427 spi->controller_state = (void *)npcs_pin; 427 spi->controller_state = (void *)npcs_pin;
428 gpio_direction_output(npcs_pin); 428 gpio_direction_output(npcs_pin, !(spi->mode & SPI_CS_HIGH));
429 } 429 }
430 430
431 dev_dbg(&spi->dev, 431 dev_dbg(&spi->dev,
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 2328128728be..6657331eed93 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -189,8 +189,8 @@ static DECLARE_MUTEX(board_lock);
189 * this is exported so that for example a USB or parport based adapter 189 * this is exported so that for example a USB or parport based adapter
190 * driver could add devices (which it would learn about out-of-band). 190 * driver could add devices (which it would learn about out-of-band).
191 */ 191 */
192struct spi_device *__init_or_module 192struct spi_device *spi_new_device(struct spi_master *master,
193spi_new_device(struct spi_master *master, struct spi_board_info *chip) 193 struct spi_board_info *chip)
194{ 194{
195 struct spi_device *proxy; 195 struct spi_device *proxy;
196 struct device *dev = master->cdev.dev; 196 struct device *dev = master->cdev.dev;
@@ -352,8 +352,7 @@ static struct class spi_master_class = {
352 * the master's methods before calling spi_register_master(); and (after errors 352 * the master's methods before calling spi_register_master(); and (after errors
353 * adding the device) calling spi_master_put() to prevent a memory leak. 353 * adding the device) calling spi_master_put() to prevent a memory leak.
354 */ 354 */
355struct spi_master * __init_or_module 355struct spi_master *spi_alloc_master(struct device *dev, unsigned size)
356spi_alloc_master(struct device *dev, unsigned size)
357{ 356{
358 struct spi_master *master; 357 struct spi_master *master;
359 358
@@ -392,8 +391,7 @@ EXPORT_SYMBOL_GPL(spi_alloc_master);
392 * After a successful return, the caller is responsible for calling 391 * After a successful return, the caller is responsible for calling
393 * spi_unregister_master(). 392 * spi_unregister_master().
394 */ 393 */
395int __init_or_module 394int spi_register_master(struct spi_master *master)
396spi_register_master(struct spi_master *master)
397{ 395{
398 static atomic_t dyn_bus_id = ATOMIC_INIT((1<<16) - 1); 396 static atomic_t dyn_bus_id = ATOMIC_INIT((1<<16) - 1);
399 struct device *dev = master->cdev.dev; 397 struct device *dev = master->cdev.dev;
diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c
index 24a330d82395..88425e1af4d3 100644
--- a/drivers/spi/spi_bitbang.c
+++ b/drivers/spi/spi_bitbang.c
@@ -302,10 +302,6 @@ static void bitbang_work(struct work_struct *work)
302 setup_transfer = NULL; 302 setup_transfer = NULL;
303 303
304 list_for_each_entry (t, &m->transfers, transfer_list) { 304 list_for_each_entry (t, &m->transfers, transfer_list) {
305 if (bitbang->shutdown) {
306 status = -ESHUTDOWN;
307 break;
308 }
309 305
310 /* override or restore speed and wordsize */ 306 /* override or restore speed and wordsize */
311 if (t->speed_hz || t->bits_per_word) { 307 if (t->speed_hz || t->bits_per_word) {
@@ -410,8 +406,6 @@ int spi_bitbang_transfer(struct spi_device *spi, struct spi_message *m)
410 m->status = -EINPROGRESS; 406 m->status = -EINPROGRESS;
411 407
412 bitbang = spi_master_get_devdata(spi->master); 408 bitbang = spi_master_get_devdata(spi->master);
413 if (bitbang->shutdown)
414 return -ESHUTDOWN;
415 409
416 spin_lock_irqsave(&bitbang->lock, flags); 410 spin_lock_irqsave(&bitbang->lock, flags);
417 if (!spi->max_speed_hz) 411 if (!spi->max_speed_hz)
@@ -507,28 +501,12 @@ EXPORT_SYMBOL_GPL(spi_bitbang_start);
507 */ 501 */
508int spi_bitbang_stop(struct spi_bitbang *bitbang) 502int spi_bitbang_stop(struct spi_bitbang *bitbang)
509{ 503{
510 unsigned limit = 500; 504 spi_unregister_master(bitbang->master);
511
512 spin_lock_irq(&bitbang->lock);
513 bitbang->shutdown = 0;
514 while (!list_empty(&bitbang->queue) && limit--) {
515 spin_unlock_irq(&bitbang->lock);
516 505
517 dev_dbg(bitbang->master->cdev.dev, "wait for queue\n"); 506 WARN_ON(!list_empty(&bitbang->queue));
518 msleep(10);
519
520 spin_lock_irq(&bitbang->lock);
521 }
522 spin_unlock_irq(&bitbang->lock);
523 if (!list_empty(&bitbang->queue)) {
524 dev_err(bitbang->master->cdev.dev, "queue didn't empty\n");
525 return -EBUSY;
526 }
527 507
528 destroy_workqueue(bitbang->workqueue); 508 destroy_workqueue(bitbang->workqueue);
529 509
530 spi_unregister_master(bitbang->master);
531
532 return 0; 510 return 0;
533} 511}
534EXPORT_SYMBOL_GPL(spi_bitbang_stop); 512EXPORT_SYMBOL_GPL(spi_bitbang_stop);
diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c
index 651379c51ae6..b10211c420ef 100644
--- a/drivers/spi/spi_s3c24xx.c
+++ b/drivers/spi/spi_s3c24xx.c
@@ -41,7 +41,7 @@ struct s3c24xx_spi {
41 int len; 41 int len;
42 int count; 42 int count;
43 43
44 int (*set_cs)(struct s3c2410_spi_info *spi, 44 void (*set_cs)(struct s3c2410_spi_info *spi,
45 int cs, int pol); 45 int cs, int pol);
46 46
47 /* data buffers */ 47 /* data buffers */
@@ -77,7 +77,7 @@ static void s3c24xx_spi_chipsel(struct spi_device *spi, int value)
77 77
78 switch (value) { 78 switch (value) {
79 case BITBANG_CS_INACTIVE: 79 case BITBANG_CS_INACTIVE:
80 hw->pdata->set_cs(hw->pdata, spi->chip_select, cspol^1); 80 hw->set_cs(hw->pdata, spi->chip_select, cspol^1);
81 break; 81 break;
82 82
83 case BITBANG_CS_ACTIVE: 83 case BITBANG_CS_ACTIVE:
@@ -98,7 +98,7 @@ static void s3c24xx_spi_chipsel(struct spi_device *spi, int value)
98 /* write new configration */ 98 /* write new configration */
99 99
100 writeb(spcon, hw->regs + S3C2410_SPCON); 100 writeb(spcon, hw->regs + S3C2410_SPCON);
101 hw->pdata->set_cs(hw->pdata, spi->chip_select, cspol); 101 hw->set_cs(hw->pdata, spi->chip_select, cspol);
102 102
103 break; 103 break;
104 } 104 }