diff options
| author | Heiko Schocher <hs@denx.de> | 2011-01-26 07:21:30 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-03-22 17:17:14 +0900 |
| commit | 4295f9bf74a885da390abc49a3b42a011c1bb890 (patch) | |
| tree | 6ac387cbdcacd8708611acbaab72dad1b783c90e /drivers/mfd/sm501.c | |
| parent | e6a049807105decf5aa7f0c510f5e5ec96c3548e (diff) | |
| download | lwn-4295f9bf74a885da390abc49a3b42a011c1bb890.tar.gz lwn-4295f9bf74a885da390abc49a3b42a011c1bb890.zip | |
video, sm501: add OF binding to support SM501
- add binding to OF, compatible name "smi,sm501"
Signed-off-by: Heiko Schocher <hs@denx.de>
cc: linux-fbdev@vger.kernel.org
cc: devicetree-discuss@ozlabs.org
cc: Ben Dooks <ben@simtec.co.uk>
cc: Vincent Sanders <vince@simtec.co.uk>
cc: Samuel Ortiz <sameo@linux.intel.com>
cc: linux-kernel@vger.kernel.org
cc: Randy Dunlap <rdunlap@xenotime.net>
cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/mfd/sm501.c')
| -rw-r--r-- | drivers/mfd/sm501.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index 558d5f3f6d02..df3702c1756d 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -1377,7 +1377,7 @@ static int __devinit sm501_init_dev(struct sm501_devdata *sm) sm501_register_gpio(sm); } - if (pdata->gpio_i2c != NULL && pdata->gpio_i2c_nr > 0) { + if (pdata && pdata->gpio_i2c != NULL && pdata->gpio_i2c_nr > 0) { if (!sm501_gpio_isregistered(sm)) dev_err(sm->dev, "no gpio available for i2c gpio.\n"); else @@ -1422,6 +1422,7 @@ static int __devinit sm501_plat_probe(struct platform_device *dev) sm->io_res = platform_get_resource(dev, IORESOURCE_MEM, 1); sm->mem_res = platform_get_resource(dev, IORESOURCE_MEM, 0); + if (sm->io_res == NULL || sm->mem_res == NULL) { dev_err(&dev->dev, "failed to get IO resource\n"); ret = -ENOENT; @@ -1735,10 +1736,16 @@ static struct pci_driver sm501_pci_driver = { MODULE_ALIAS("platform:sm501"); +static struct of_device_id __devinitdata of_sm501_match_tbl[] = { + { .compatible = "smi,sm501", }, + { /* end */ } +}; + static struct platform_driver sm501_plat_driver = { .driver = { .name = "sm501", .owner = THIS_MODULE, + .of_match_table = of_sm501_match_tbl, }, .probe = sm501_plat_probe, .remove = sm501_plat_remove, |