Commit-ID: f5ec9b194a93c05e2ccdb3e90d9061cfedc806d9
Gitweb: http://git.kernel.org/tip/f5ec9b194a93c05e2ccdb3e90d9061cfedc806d9
Author: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
AuthorDate: Mon, 27 Jan 2014 22:04:17 +0100
Committer: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
CommitDate: Wed, 16 Apr 2014 12:03:10 +0200
clocksource: sh_cmt: Allocate channels dynamically
This prepares the driver for multi-channel support.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
---
drivers/clocksource/sh_cmt.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index 0779bf1..f94db32 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -62,7 +62,8 @@ struct sh_cmt_device {
void __iomem *mapbase;
struct clk *clk;
- struct sh_cmt_channel channel;
+ struct sh_cmt_channel *channels;
+ unsigned int num_channels;
unsigned long width; /* 16 or 32 bit version of hardware block */
unsigned long overflow_bit;
@@ -822,7 +823,15 @@ static int sh_cmt_setup(struct sh_cmt_device *cmt, struct platform_device *pdev)
cmt->clear_bits = ~0xc000;
}
- ret = sh_cmt_setup_channel(&cmt->channel, cfg->timer_bit, cmt);
+ cmt->channels = kzalloc(sizeof(*cmt->channels), GFP_KERNEL);
+ if (cmt->channels == NULL) {
+ ret = -ENOMEM;
+ goto err4;
+ }
+
+ cmt->num_channels = 1;
+
+ ret = sh_cmt_setup_channel(&cmt->channels[0], cfg->timer_bit, cmt);
if (ret < 0)
goto err4;
@@ -830,6 +839,7 @@ static int sh_cmt_setup(struct sh_cmt_device *cmt, struct platform_device *pdev)
return 0;
err4:
+ kfree(cmt->channels);
clk_unprepare(cmt->clk);
err3:
clk_put(cmt->clk);
--
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