diff options
Diffstat (limited to 'drivers/spi/spi-fsl-lib.c')
| -rw-r--r-- | drivers/spi/spi-fsl-lib.c | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/drivers/spi/spi-fsl-lib.c b/drivers/spi/spi-fsl-lib.c index 8ade675a04f..95212ea96c8 100644 --- a/drivers/spi/spi-fsl-lib.c +++ b/drivers/spi/spi-fsl-lib.c @@ -23,7 +23,9 @@ #include <linux/mm.h> #include <linux/of_platform.h> #include <linux/spi/spi.h> +#ifdef CONFIG_FSL_SOC #include <sysdev/fsl_soc.h> +#endif #include "spi-fsl-lib.h" @@ -59,7 +61,7 @@ struct mpc8xxx_spi_probe_info *to_of_pinfo(struct fsl_spi_platform_data *pdata) return container_of(pdata, struct mpc8xxx_spi_probe_info, pdata); } -void mpc8xxx_spi_work(struct work_struct *work) +static void mpc8xxx_spi_work(struct work_struct *work) { struct mpc8xxx_spi *mpc8xxx_spi = container_of(work, struct mpc8xxx_spi, work); @@ -97,11 +99,6 @@ int mpc8xxx_spi_transfer(struct spi_device *spi, return 0; } -void mpc8xxx_spi_cleanup(struct spi_device *spi) -{ - kfree(spi->controller_state); -} - const char *mpc8xxx_spi_strmode(unsigned int flags) { if (flags & SPI_QE_CPU_MODE) { @@ -120,7 +117,7 @@ const char *mpc8xxx_spi_strmode(unsigned int flags) int mpc8xxx_spi_probe(struct device *dev, struct resource *mem, unsigned int irq) { - struct fsl_spi_platform_data *pdata = dev->platform_data; + struct fsl_spi_platform_data *pdata = dev_get_platdata(dev); struct spi_master *master; struct mpc8xxx_spi *mpc8xxx_spi; int ret = 0; @@ -132,7 +129,6 @@ int mpc8xxx_spi_probe(struct device *dev, struct resource *mem, | SPI_LSB_FIRST | SPI_LOOP; master->transfer = mpc8xxx_spi_transfer; - master->cleanup = mpc8xxx_spi_cleanup; master->dev.of_node = dev->of_node; mpc8xxx_spi = spi_master_get_devdata(master); @@ -198,7 +194,7 @@ int of_mpc8xxx_spi_probe(struct platform_device *ofdev) const void *prop; int ret = -ENOMEM; - pinfo = kzalloc(sizeof(*pinfo), GFP_KERNEL); + pinfo = devm_kzalloc(&ofdev->dev, sizeof(*pinfo), GFP_KERNEL); if (!pinfo) return -ENOMEM; @@ -208,15 +204,19 @@ int of_mpc8xxx_spi_probe(struct platform_device *ofdev) /* Allocate bus num dynamically. */ pdata->bus_num = -1; +#ifdef CONFIG_FSL_SOC /* SPI controller is either clocked from QE or SoC clock. */ pdata->sysclk = get_brgfreq(); if (pdata->sysclk == -1) { pdata->sysclk = fsl_get_sys_freq(); - if (pdata->sysclk == -1) { - ret = -ENODEV; - goto err; - } + if (pdata->sysclk == -1) + return -ENODEV; } +#else + ret = of_property_read_u32(np, "clock-frequency", &pdata->sysclk); + if (ret) + return ret; +#endif prop = of_get_property(np, "mode", NULL); if (prop && !strcmp(prop, "cpu-qe")) @@ -229,8 +229,4 @@ int of_mpc8xxx_spi_probe(struct platform_device *ofdev) pdata->flags = SPI_CPM_MODE | SPI_CPM1; return 0; - -err: - kfree(pinfo); - return ret; } |