diff options
| author | Mark Brown <broonie@linaro.org> | 2013-07-05 21:53:22 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-07-24 18:32:24 +0400 |
| commit | 900bfe33b6d46058c4dd64d4bff7f287baf2a34e (patch) | |
| tree | e06f41e9b650ef2aaa9a991c5c3cb60c76c3cb56 /drivers/spi/spi-s3c64xx.c | |
| parent | 9f4b323803ff18d87dcc042723b527ee646dddfc (diff) | |
spi/s3c64xx: Remove unused message queue
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@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'drivers/spi/spi-s3c64xx.c')
| -rw-r--r-- | drivers/spi/spi-s3c64xx.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 63e2070c6c14..3fb8c96ece41 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; @@ -1056,8 +1054,6 @@ 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); @@ -1088,21 +1084,6 @@ 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 */ @@ -1149,7 +1130,6 @@ setup_exit: /* setup() returns with device de-selected */ disable_cs(sdd, spi); -err_msgq: gpio_free(cs->line); spi_set_ctldata(spi, NULL); @@ -1442,7 +1422,6 @@ 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); |