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author | Heiner Kallweit <hkallweit1@gmail.com> | 2014-12-03 07:56:17 +0100 |
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committer | Mark Brown <broonie@kernel.org> | 2014-12-03 14:05:47 +0100 |
commit | c592becbe704127ef0b89233ff7f285637491154 (patch) | |
tree | cca527460f97f6879e7eb73d010faccf77cd3a2d /drivers/spi/spi-fsl-lib.c | |
parent | Linux 3.18-rc1 (diff) | |
download | linux-c592becbe704127ef0b89233ff7f285637491154.tar.xz linux-c592becbe704127ef0b89233ff7f285637491154.zip |
spi: fsl-(e)spi: migrate to generic master queueing
Migrates the fsl-(e)spi driver to use the generic master queuing.
Avoids the "master is unqueued, this is deprecated" warning.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-fsl-lib.c')
-rw-r--r-- | drivers/spi/spi-fsl-lib.c | 59 |
1 files changed, 1 insertions, 58 deletions
diff --git a/drivers/spi/spi-fsl-lib.c b/drivers/spi/spi-fsl-lib.c index 5ddb5b098e4e..446b737e1532 100644 --- a/drivers/spi/spi-fsl-lib.c +++ b/drivers/spi/spi-fsl-lib.c @@ -61,44 +61,6 @@ struct mpc8xxx_spi_probe_info *to_of_pinfo(struct fsl_spi_platform_data *pdata) return container_of(pdata, struct mpc8xxx_spi_probe_info, pdata); } -static void mpc8xxx_spi_work(struct work_struct *work) -{ - struct mpc8xxx_spi *mpc8xxx_spi = container_of(work, struct mpc8xxx_spi, - work); - - spin_lock_irq(&mpc8xxx_spi->lock); - while (!list_empty(&mpc8xxx_spi->queue)) { - struct spi_message *m = container_of(mpc8xxx_spi->queue.next, - struct spi_message, queue); - - list_del_init(&m->queue); - spin_unlock_irq(&mpc8xxx_spi->lock); - - if (mpc8xxx_spi->spi_do_one_msg) - mpc8xxx_spi->spi_do_one_msg(m); - - spin_lock_irq(&mpc8xxx_spi->lock); - } - spin_unlock_irq(&mpc8xxx_spi->lock); -} - -int mpc8xxx_spi_transfer(struct spi_device *spi, - struct spi_message *m) -{ - struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master); - unsigned long flags; - - m->actual_length = 0; - m->status = -EINPROGRESS; - - spin_lock_irqsave(&mpc8xxx_spi->lock, flags); - list_add_tail(&m->queue, &mpc8xxx_spi->queue); - queue_work(mpc8xxx_spi->workqueue, &mpc8xxx_spi->work); - spin_unlock_irqrestore(&mpc8xxx_spi->lock, flags); - - return 0; -} - const char *mpc8xxx_spi_strmode(unsigned int flags) { if (flags & SPI_QE_CPU_MODE) { @@ -114,13 +76,12 @@ const char *mpc8xxx_spi_strmode(unsigned int flags) return "CPU"; } -int mpc8xxx_spi_probe(struct device *dev, struct resource *mem, +void mpc8xxx_spi_probe(struct device *dev, struct resource *mem, unsigned int irq) { struct fsl_spi_platform_data *pdata = dev_get_platdata(dev); struct spi_master *master; struct mpc8xxx_spi *mpc8xxx_spi; - int ret = 0; master = dev_get_drvdata(dev); @@ -128,7 +89,6 @@ int mpc8xxx_spi_probe(struct device *dev, struct resource *mem, master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST | SPI_LOOP; - master->transfer = mpc8xxx_spi_transfer; master->dev.of_node = dev->of_node; mpc8xxx_spi = spi_master_get_devdata(master); @@ -147,22 +107,7 @@ int mpc8xxx_spi_probe(struct device *dev, struct resource *mem, master->bus_num = pdata->bus_num; master->num_chipselect = pdata->max_chipselect; - spin_lock_init(&mpc8xxx_spi->lock); init_completion(&mpc8xxx_spi->done); - INIT_WORK(&mpc8xxx_spi->work, mpc8xxx_spi_work); - INIT_LIST_HEAD(&mpc8xxx_spi->queue); - - mpc8xxx_spi->workqueue = create_singlethread_workqueue( - dev_name(master->dev.parent)); - if (mpc8xxx_spi->workqueue == NULL) { - ret = -EBUSY; - goto err; - } - - return 0; - -err: - return ret; } int mpc8xxx_spi_remove(struct device *dev) @@ -173,8 +118,6 @@ int mpc8xxx_spi_remove(struct device *dev) master = dev_get_drvdata(dev); mpc8xxx_spi = spi_master_get_devdata(master); - flush_workqueue(mpc8xxx_spi->workqueue); - destroy_workqueue(mpc8xxx_spi->workqueue); spi_unregister_master(master); free_irq(mpc8xxx_spi->irq, mpc8xxx_spi); |