[PATCH] SPI cleanup() method param becomes non-const

[pandora-kernel.git] / drivers / spi / spi_bitbang.c

diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c
index dd2f950..24a330d 100644 (file)
--- a/drivers/spi/spi_bitbang.c
+++ b/drivers/spi/spi_bitbang.c
@@ -16,7 +16,6 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
 #include <linux/workqueue.h>
@@ -197,7 +196,7 @@ int spi_bitbang_setup(struct spi_device *spi)
                return -EINVAL;
 
        if (!cs) {
-               cs = kzalloc(sizeof *cs, SLAB_KERNEL);
+               cs = kzalloc(sizeof *cs, GFP_KERNEL);
                if (!cs)
                        return -ENOMEM;
                spi->controller_state = cs;
@@ -211,7 +210,7 @@ int spi_bitbang_setup(struct spi_device *spi)
        if (!cs->txrx_word)
                return -EINVAL;
 
-       retval = spi_bitbang_setup_transfer(spi, NULL);
+       retval = bitbang->setup_transfer(spi, NULL);
        if (retval < 0)
                return retval;
 
@@ -239,7 +238,7 @@ EXPORT_SYMBOL_GPL(spi_bitbang_setup);
 /**
  * spi_bitbang_cleanup - default cleanup for per-word I/O loops
  */
-void spi_bitbang_cleanup(const struct spi_device *spi)
+void spi_bitbang_cleanup(struct spi_device *spi)
 {
        kfree(spi->controller_state);
 }
@@ -266,9 +265,10 @@ static int spi_bitbang_bufs(struct spi_device *spi, struct spi_transfer *t)
  * Drivers can provide word-at-a-time i/o primitives, or provide
  * transfer-at-a-time ones to leverage dma or fifo hardware.
  */
-static void bitbang_work(void *_bitbang)
+static void bitbang_work(struct work_struct *work)
 {
-       struct spi_bitbang      *bitbang = _bitbang;
+       struct spi_bitbang      *bitbang =
+               container_of(work, struct spi_bitbang, work);
        unsigned long           flags;
 
        spin_lock_irqsave(&bitbang->lock, flags);
@@ -442,9 +442,10 @@ EXPORT_SYMBOL_GPL(spi_bitbang_transfer);
  * hardware that basically exposes a shift register) or per-spi_transfer
  * (which takes better advantage of hardware like fifos or DMA engines).
  *
- * Drivers using per-word I/O loops should use (or call) spi_bitbang_setup and
- * spi_bitbang_cleanup to handle those spi master methods.  Those methods are
- * the defaults if the bitbang->txrx_bufs routine isn't initialized.
+ * Drivers using per-word I/O loops should use (or call) spi_bitbang_setup,
+ * spi_bitbang_cleanup and spi_bitbang_setup_transfer to handle those spi
+ * master methods.  Those methods are the defaults if the bitbang->txrx_bufs
+ * routine isn't initialized.
  *
  * This routine registers the spi_master, which will process requests in a
  * dedicated task, keeping IRQs unblocked most of the time.  To stop
@@ -457,7 +458,7 @@ int spi_bitbang_start(struct spi_bitbang *bitbang)
        if (!bitbang->master || !bitbang->chipselect)
                return -EINVAL;
 
-       INIT_WORK(&bitbang->work, bitbang_work, bitbang);
+       INIT_WORK(&bitbang->work, bitbang_work);
        spin_lock_init(&bitbang->lock);
        INIT_LIST_HEAD(&bitbang->queue);