From: Mark Brown <broonie@xxxxxxxxxx>
Since the driver has been converted to use the core message pump code
the only use of the messsage queue in the driver is a check to see if
it is empty which will always succeed since nothing ever adds to the
queue. Just remove the queue.
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
drivers/spi/spi-s3c64xx.c | 21 ---------------------
1 file changed, 21 deletions(-)
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index eb53df2..def13e8 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -172,7 +172,6 @@ struct s3c64xx_spi_port_config {
* @master: Pointer to the SPI Protocol master.
* @cntrlr_info: Platform specific data for the controller this driver manages.
* @tgl_spi: Pointer to the last CS left untoggled by the cs_change hint.
- * @queue: To log SPI xfer requests.
* @lock: Controller specific lock.
* @state: Set of FLAGS to indicate status.
* @rx_dmach: Controller's DMA channel for Rx.
@@ -193,7 +192,6 @@ struct s3c64xx_spi_driver_data {
struct spi_master *master;
struct s3c64xx_spi_info *cntrlr_info;
struct spi_device *tgl_spi;
- struct list_head queue;
spinlock_t lock;
unsigned long sfr_start;
struct completion xfer_completion;
@@ -1053,8 +1051,6 @@ static int s3c64xx_spi_setup(struct spi_device *spi)
struct s3c64xx_spi_csinfo *cs = spi->controller_data;
struct s3c64xx_spi_driver_data *sdd;
struct s3c64xx_spi_info *sci;
- struct spi_message *msg;
- unsigned long flags;
int err;
sdd = spi_master_get_devdata(spi->master);
@@ -1085,21 +1081,6 @@ static int s3c64xx_spi_setup(struct spi_device *spi)
sci = sdd->cntrlr_info;
- spin_lock_irqsave(&sdd->lock, flags);
-
- list_for_each_entry(msg, &sdd->queue, queue) {
- /* Is some mssg is already queued for this device */
- if (msg->spi == spi) {
- dev_err(&spi->dev,
- "setup: attempt while mssg in queue!\n");
- spin_unlock_irqrestore(&sdd->lock, flags);
- err = -EBUSY;
- goto err_msgq;
- }
- }
-
- spin_unlock_irqrestore(&sdd->lock, flags);
-
pm_runtime_get_sync(&sdd->pdev->dev);
/* Check if we can provide the requested rate */
@@ -1146,7 +1127,6 @@ setup_exit:
/* setup() returns with device de-selected */
disable_cs(sdd, spi);
-err_msgq:
gpio_free(cs->line);
spi_set_ctldata(spi, NULL);
@@ -1439,7 +1419,6 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
spin_lock_init(&sdd->lock);
init_completion(&sdd->xfer_completion);
- INIT_LIST_HEAD(&sdd->queue);
ret = devm_request_irq(&pdev->dev, irq, s3c64xx_spi_irq, 0,
"spi-s3c64xx", sdd);
--
1.8.3.2
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