diff options
Diffstat (limited to 'drivers/spi/spi-mpc512x-psc.c')
| -rw-r--r-- | drivers/spi/spi-mpc512x-psc.c | 40 |
1 files changed, 10 insertions, 30 deletions
diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c index de66c676c24..577d23a1276 100644 --- a/drivers/spi/spi-mpc512x-psc.c +++ b/drivers/spi/spi-mpc512x-psc.c @@ -16,7 +16,6 @@ #include <linux/module.h> #include <linux/kernel.h> -#include <linux/init.h> #include <linux/errno.h> #include <linux/interrupt.h> #include <linux/of_address.h> @@ -301,7 +300,8 @@ static int mpc512x_psc_spi_msg_xfer(struct spi_master *master, } m->status = status; - m->complete(m->context); + if (m->complete) + m->complete(m->context); if (status || !cs_change) mpc512x_psc_spi_deactivate_cs(spi); @@ -466,10 +466,8 @@ static void mpc512x_spi_cs_control(struct spi_device *spi, bool onoff) gpio_set_value(spi->cs_gpio, onoff); } -/* bus_num is used only for the case dev->platform_data == NULL */ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, - u32 size, unsigned int irq, - s16 bus_num) + u32 size, unsigned int irq) { struct fsl_spi_platform_data *pdata = dev_get_platdata(dev); struct mpc512x_psc_spi *mps; @@ -488,7 +486,6 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, if (pdata == NULL) { mps->cs_control = mpc512x_spi_cs_control; - master->bus_num = bus_num; } else { mps->cs_control = pdata->cs_control; master->bus_num = pdata->bus_num; @@ -503,7 +500,7 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, master->cleanup = mpc512x_psc_spi_cleanup; master->dev.of_node = dev->of_node; - tempp = ioremap(regaddr, size); + tempp = devm_ioremap(dev, regaddr, size); if (!tempp) { dev_err(dev, "could not ioremap I/O port range\n"); ret = -EFAULT; @@ -512,9 +509,8 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, mps->psc = tempp; mps->fifo = (struct mpc512x_psc_fifo *)(tempp + sizeof(struct mpc52xx_psc)); - - ret = request_irq(mps->irq, mpc512x_psc_spi_isr, IRQF_SHARED, - "mpc512x-psc-spi", mps); + ret = devm_request_irq(dev, mps->irq, mpc512x_psc_spi_isr, IRQF_SHARED, + "mpc512x-psc-spi", mps); if (ret) goto free_master; init_completion(&mps->txisrdone); @@ -522,11 +518,11 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, clk = devm_clk_get(dev, "mclk"); if (IS_ERR(clk)) { ret = PTR_ERR(clk); - goto free_irq; + goto free_master; } ret = clk_prepare_enable(clk); if (ret) - goto free_irq; + goto free_master; mps->clk_mclk = clk; mps->mclk_rate = clk_get_rate(clk); @@ -554,11 +550,7 @@ free_ipg_clock: clk_disable_unprepare(mps->clk_ipg); free_mclk_clock: clk_disable_unprepare(mps->clk_mclk); -free_irq: - free_irq(mps->irq, mps); free_master: - if (mps->psc) - iounmap(mps->psc); spi_master_put(master); return ret; @@ -566,14 +558,11 @@ free_master: static int mpc512x_psc_spi_do_remove(struct device *dev) { - struct spi_master *master = spi_master_get(dev_get_drvdata(dev)); + struct spi_master *master = dev_get_drvdata(dev); struct mpc512x_psc_spi *mps = spi_master_get_devdata(master); clk_disable_unprepare(mps->clk_mclk); clk_disable_unprepare(mps->clk_ipg); - free_irq(mps->irq, mps); - if (mps->psc) - iounmap(mps->psc); return 0; } @@ -582,7 +571,6 @@ static int mpc512x_psc_spi_of_probe(struct platform_device *op) { const u32 *regaddr_p; u64 regaddr64, size64; - s16 id = -1; regaddr_p = of_get_address(op->dev.of_node, 0, &size64, NULL); if (!regaddr_p) { @@ -591,16 +579,8 @@ static int mpc512x_psc_spi_of_probe(struct platform_device *op) } regaddr64 = of_translate_address(op->dev.of_node, regaddr_p); - /* get PSC id (0..11, used by port_config) */ - id = of_alias_get_id(op->dev.of_node, "spi"); - if (id < 0) { - dev_err(&op->dev, "no alias id for %s\n", - op->dev.of_node->full_name); - return id; - } - return mpc512x_psc_spi_do_probe(&op->dev, (u32) regaddr64, (u32) size64, - irq_of_parse_and_map(op->dev.of_node, 0), id); + irq_of_parse_and_map(op->dev.of_node, 0)); } static int mpc512x_psc_spi_of_remove(struct platform_device *op) |