diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-03-05 13:59:26 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-03-09 06:34:20 +0100 |
| commit | 9b133915f6fb96d917e63f50a465242fe1ccae56 (patch) | |
| tree | 6285df2d2472c470f619fd669a04689d4e68303d /drivers/pwm | |
| parent | a55c8d806eccac6ca29e4c8e2aa33379aedfea3e (diff) | |
| download | barebox-9b133915f6fb96d917e63f50a465242fe1ccae56.tar.gz barebox-9b133915f6fb96d917e63f50a465242fe1ccae56.tar.xz | |
PWM: i.MX: register successfully without alias
When a PWM does not have an of alias generate a name from the
base address so that we can register it successfully.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-imx.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index fbfc3af0cd..b00bf7e80b 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -226,21 +226,19 @@ static int imx_pwm_probe(struct device_d *dev) if (IS_ERR(imx->clk_per)) return PTR_ERR(imx->clk_per); + imx->mmio_base = dev_request_mem_region(dev, 0); + if (IS_ERR(imx->mmio_base)) + return PTR_ERR(imx->mmio_base); + imx->chip.ops = &imx_pwm_ops; if (dev->device_node) { imx->chip.devname = of_alias_get(dev->device_node); - if (!imx->chip.devname) { - dev_err(dev, "no alias for pwm\n"); - return -EINVAL; - } + if (!imx->chip.devname) + imx->chip.devname = asprintf("pwm_%p", imx->mmio_base); } else { imx->chip.devname = asprintf("pwm%d", dev->id); } - imx->mmio_base = dev_request_mem_region(dev, 0); - if (IS_ERR(imx->mmio_base)) - return PTR_ERR(imx->mmio_base); - imx->config = data->config; imx->set_enable = data->set_enable; |