* [PATCH] PWM: i.MX: register successfully without alias
@ 2015-03-05 14:18 Sascha Hauer
0 siblings, 0 replies; only message in thread
From: Sascha Hauer @ 2015-03-05 14:18 UTC (permalink / raw)
To: Barebox List
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>
---
drivers/pwm/pwm-imx.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index fbfc3af..b00bf7e 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;
--
2.1.4
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2015-03-05 14:18 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-03-05 14:18 [PATCH] PWM: i.MX: register successfully without alias Sascha Hauer
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox