diff options
Diffstat (limited to 'drivers/rtc/rtc-pcf2123.c')
| -rw-r--r-- | drivers/rtc/rtc-pcf2123.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c index 02b742afa76..d1953bb244c 100644 --- a/drivers/rtc/rtc-pcf2123.c +++ b/drivers/rtc/rtc-pcf2123.c @@ -18,11 +18,11 @@ * should look something like: * * static struct spi_board_info ek_spi_devices[] = { - * ... - * { - * .modalias = "rtc-pcf2123", - * .chip_select = 1, - * .controller_data = (void *)AT91_PIN_PA10, + * ... + * { + * .modalias = "rtc-pcf2123", + * .chip_select = 1, + * .controller_data = (void *)AT91_PIN_PA10, * .max_speed_hz = 1000 * 1000, * .mode = SPI_CS_HIGH, * .bus_num = 0, @@ -94,8 +94,9 @@ static ssize_t pcf2123_show(struct device *dev, struct device_attribute *attr, r = container_of(attr, struct pcf2123_sysfs_reg, attr); - if (strict_strtoul(r->name, 16, ®)) - return -EINVAL; + ret = kstrtoul(r->name, 16, ®); + if (ret) + return ret; txbuf[0] = PCF2123_READ | reg; ret = spi_write_then_read(spi, txbuf, 1, rxbuf, 1); @@ -117,9 +118,13 @@ static ssize_t pcf2123_store(struct device *dev, struct device_attribute *attr, r = container_of(attr, struct pcf2123_sysfs_reg, attr); - if (strict_strtoul(r->name, 16, ®) - || strict_strtoul(buffer, 10, &val)) - return -EINVAL; + ret = kstrtoul(r->name, 16, ®); + if (ret) + return ret; + + ret = kstrtoul(buffer, 10, &val); + if (ret) + return ret; txbuf[0] = PCF2123_WRITE | reg; txbuf[1] = val; @@ -226,7 +231,8 @@ static int pcf2123_probe(struct spi_device *spi) u8 txbuf[2], rxbuf[2]; int ret, i; - pdata = kzalloc(sizeof(struct pcf2123_plat_data), GFP_KERNEL); + pdata = devm_kzalloc(&spi->dev, sizeof(struct pcf2123_plat_data), + GFP_KERNEL); if (!pdata) return -ENOMEM; spi->dev.platform_data = pdata; @@ -265,6 +271,7 @@ static int pcf2123_probe(struct spi_device *spi) if (!(rxbuf[0] & 0x20)) { dev_err(&spi->dev, "chip not found\n"); + ret = -ENODEV; goto kfree_exit; } @@ -281,7 +288,7 @@ static int pcf2123_probe(struct spi_device *spi) pcf2123_delay_trec(); /* Finalize the initialization */ - rtc = rtc_device_register(pcf2123_driver.driver.name, &spi->dev, + rtc = devm_rtc_device_register(&spi->dev, pcf2123_driver.driver.name, &pcf2123_rtc_ops, THIS_MODULE); if (IS_ERR(rtc)) { @@ -314,26 +321,20 @@ sysfs_exit: device_remove_file(&spi->dev, &pdata->regs[i].attr); kfree_exit: - kfree(pdata); spi->dev.platform_data = NULL; return ret; } static int pcf2123_remove(struct spi_device *spi) { - struct pcf2123_plat_data *pdata = spi->dev.platform_data; + struct pcf2123_plat_data *pdata = dev_get_platdata(&spi->dev); int i; if (pdata) { - struct rtc_device *rtc = pdata->rtc; - - if (rtc) - rtc_device_unregister(rtc); for (i = 0; i < 16; i++) if (pdata->regs[i].name[0]) device_remove_file(&spi->dev, &pdata->regs[i].attr); - kfree(pdata); } return 0; |