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[5/5] pcmcia: sa1111: make use of device clock

Message ID 1384227132-10501-5-git-send-email-dbaryshkov@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dmitry Baryshkov Nov. 12, 2013, 3:32 a.m. UTC
Use per-device clock (instead of calling cpufreq_get(0), which can
return 0 if no cpu frequency driver is selected) to program timings.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
---
 drivers/pcmcia/sa1111_generic.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/pcmcia/sa1111_generic.c b/drivers/pcmcia/sa1111_generic.c
index 65b02c3..c5988be 100644
--- a/drivers/pcmcia/sa1111_generic.c
+++ b/drivers/pcmcia/sa1111_generic.c
@@ -145,6 +145,9 @@  int sa1111_pcmcia_add(struct sa1111_dev *dev, struct pcmcia_low_level *ops,
 			return -ENOMEM;
 
 		s->soc.nr = ops->first + i;
+		s->soc.clk = clk_get(&dev->dev, NULL);
+		if (IS_ERR(s->soc.clk))
+			return -ENODEV;
 		soc_pcmcia_init_one(&s->soc, ops, &dev->dev);
 		s->dev = dev;
 		if (s->soc.nr) {
@@ -220,6 +223,7 @@  static int pcmcia_remove(struct sa1111_dev *dev)
 	for (; s; s = next) {
 		next = s->next;
 		soc_pcmcia_remove_one(&s->soc);
+		clk_put(s->soc.clk);
 		kfree(s);
 	}