diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-pmcmsp.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-pmcmsp.c | 44 |
1 files changed, 15 insertions, 29 deletions
diff --git a/drivers/i2c/busses/i2c-pmcmsp.c b/drivers/i2c/busses/i2c-pmcmsp.c index b03af5653c6..8564768fee3 100644 --- a/drivers/i2c/busses/i2c-pmcmsp.c +++ b/drivers/i2c/busses/i2c-pmcmsp.c @@ -26,14 +26,13 @@ #include <linux/kernel.h> #include <linux/module.h> -#include <linux/init.h> #include <linux/platform_device.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/completion.h> #include <linux/mutex.h> #include <linux/delay.h> -#include <asm/io.h> +#include <linux/io.h> #define DRV_NAME "pmcmsptwi" @@ -270,7 +269,7 @@ static irqreturn_t pmcmsptwi_interrupt(int irq, void *ptr) /* * Probe for and register the device and return 0 if there is one. */ -static int __devinit pmcmsptwi_probe(struct platform_device *pldev) +static int pmcmsptwi_probe(struct platform_device *pldev) { struct resource *res; int rc = -ENODEV; @@ -283,7 +282,7 @@ static int __devinit pmcmsptwi_probe(struct platform_device *pldev) } /* reserve the memory region */ - if (!request_mem_region(res->start, res->end - res->start + 1, + if (!request_mem_region(res->start, resource_size(res), pldev->name)) { dev_err(&pldev->dev, "Unable to get memory/io address region 0x%08x\n", @@ -294,7 +293,7 @@ static int __devinit pmcmsptwi_probe(struct platform_device *pldev) /* remap the memory */ pmcmsptwi_data.iobase = ioremap_nocache(res->start, - res->end - res->start + 1); + resource_size(res)); if (!pmcmsptwi_data.iobase) { dev_err(&pldev->dev, "Unable to ioremap address 0x%08x\n", res->start); @@ -306,8 +305,7 @@ static int __devinit pmcmsptwi_probe(struct platform_device *pldev) pmcmsptwi_data.irq = platform_get_irq(pldev, 0); if (pmcmsptwi_data.irq) { rc = request_irq(pmcmsptwi_data.irq, &pmcmsptwi_interrupt, - IRQF_SHARED | IRQF_DISABLED | IRQF_SAMPLE_RANDOM, - pldev->name, &pmcmsptwi_data); + IRQF_SHARED, pldev->name, &pmcmsptwi_data); if (rc == 0) { /* * Enable 'DONE' interrupt only. @@ -350,7 +348,6 @@ static int __devinit pmcmsptwi_probe(struct platform_device *pldev) return 0; ret_unmap: - platform_set_drvdata(pldev, NULL); if (pmcmsptwi_data.irq) { pmcmsptwi_writel(0, pmcmsptwi_data.iobase + MSP_TWI_INT_MSK_REG_OFFSET); @@ -360,7 +357,7 @@ ret_unmap: iounmap(pmcmsptwi_data.iobase); ret_unreserve: - release_mem_region(res->start, res->end - res->start + 1); + release_mem_region(res->start, resource_size(res)); ret_err: return rc; @@ -369,13 +366,12 @@ ret_err: /* * Release the device and return 0 if there is one. */ -static int __devexit pmcmsptwi_remove(struct platform_device *pldev) +static int pmcmsptwi_remove(struct platform_device *pldev) { struct resource *res; i2c_del_adapter(&pmcmsptwi_adapter); - platform_set_drvdata(pldev, NULL); if (pmcmsptwi_data.irq) { pmcmsptwi_writel(0, pmcmsptwi_data.iobase + MSP_TWI_INT_MSK_REG_OFFSET); @@ -385,7 +381,7 @@ static int __devexit pmcmsptwi_remove(struct platform_device *pldev) iounmap(pmcmsptwi_data.iobase); res = platform_get_resource(pldev, IORESOURCE_MEM, 0); - release_mem_region(res->start, res->end - res->start + 1); + release_mem_region(res->start, resource_size(res)); return 0; } @@ -467,7 +463,7 @@ static enum pmcmsptwi_xfer_result pmcmsptwi_xfer_cmd( (cmd->read_len == 0 || cmd->write_len == 0))) { dev_err(&pmcmsptwi_adapter.dev, "%s: Cannot transfer less than 1 byte\n", - __FUNCTION__); + __func__); return -EINVAL; } @@ -475,7 +471,7 @@ static enum pmcmsptwi_xfer_result pmcmsptwi_xfer_cmd( cmd->write_len > MSP_MAX_BYTES_PER_RW) { dev_err(&pmcmsptwi_adapter.dev, "%s: Cannot transfer more than %d bytes\n", - __FUNCTION__, MSP_MAX_BYTES_PER_RW); + __func__, MSP_MAX_BYTES_PER_RW); return -EINVAL; } @@ -486,7 +482,7 @@ static enum pmcmsptwi_xfer_result pmcmsptwi_xfer_cmd( if (cmd->type == MSP_TWI_CMD_WRITE || cmd->type == MSP_TWI_CMD_WRITE_READ) { - __be64 tmp = cpu_to_be64p((u64 *)cmd->write_data); + u64 tmp = be64_to_cpup((__be64 *)cmd->write_data); tmp >>= (MSP_MAX_BYTES_PER_RW - cmd->write_len) * 8; dev_dbg(&pmcmsptwi_adapter.dev, "Writing 0x%016llx\n", tmp); pmcmsptwi_writel(tmp & 0x00000000ffffffffLL, @@ -622,32 +618,22 @@ static struct i2c_algorithm pmcmsptwi_algo = { static struct i2c_adapter pmcmsptwi_adapter = { .owner = THIS_MODULE, - .class = I2C_CLASS_HWMON, + .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = &pmcmsptwi_algo, .name = DRV_NAME, }; static struct platform_driver pmcmsptwi_driver = { .probe = pmcmsptwi_probe, - .remove = __devexit_p(pmcmsptwi_remove), + .remove = pmcmsptwi_remove, .driver = { .name = DRV_NAME, .owner = THIS_MODULE, }, }; -static int __init pmcmsptwi_init(void) -{ - return platform_driver_register(&pmcmsptwi_driver); -} - -static void __exit pmcmsptwi_exit(void) -{ - platform_driver_unregister(&pmcmsptwi_driver); -} +module_platform_driver(pmcmsptwi_driver); MODULE_DESCRIPTION("PMC MSP TWI/SMBus/I2C driver"); MODULE_LICENSE("GPL"); - -module_init(pmcmsptwi_init); -module_exit(pmcmsptwi_exit); +MODULE_ALIAS("platform:" DRV_NAME); |