Log messages about claimed sram.
Signed-off-by: Michal Suchanek <[email protected]>
---
drivers/soc/sunxi/sunxi_sram.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/soc/sunxi/sunxi_sram.c b/drivers/soc/sunxi/sunxi_sram.c
index 5b76fd1..3d03e89 100644
--- a/drivers/soc/sunxi/sunxi_sram.c
+++ b/drivers/soc/sunxi/sunxi_sram.c
@@ -35,6 +35,8 @@ struct sunxi_sram_desc {
bool enabled;
};
+static struct platform_device *pdev;
+
#define SUNXI_SRAM_MAP(_val, _func) \
{ \
.func = _func, \
@@ -127,11 +129,13 @@ int sunxi_sram_claim(enum sunxi_sram_type type, const
char *function)
if (sram->claimed) {
spin_unlock(&sram_lock);
+ dev_warn(&pdev->dev, "Sram %s already claimed.\n",
sram->name );
return -EBUSY;
}
sram->claimed = true;
spin_unlock(&sram_lock);
+ dev_info(&pdev->dev, "Claiming sram %s.\n", sram->name );
for (func = sram->func; func->func; func++) {
if (strcmp(function, func->func))
@@ -164,6 +168,7 @@ int sunxi_sram_release(enum sunxi_sram_type type)
spin_lock(&sram_lock);
sram->claimed = false;
spin_unlock(&sram_lock);
+ dev_info(&pdev->dev, "Releasing sram %s.\n", sram->name );
return 0;
}
@@ -179,7 +184,7 @@ static const struct of_device_id sunxi_sram_dt_match[] = {
};
MODULE_DEVICE_TABLE(of, sunxi_sram_dt_match);
-static int sunxi_sram_probe(struct platform_device *pdev)
+static int sunxi_sram_probe(struct platform_device *_pdev)
{
const struct of_device_id *match;
struct sunxi_sram_desc *sram;
@@ -188,12 +193,12 @@ static int sunxi_sram_probe(struct platform_device *pdev)
struct dentry *d;
const char *name;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- base = devm_ioremap_resource(&pdev->dev, res);
+ res = platform_get_resource(_pdev, IORESOURCE_MEM, 0);
+ base = devm_ioremap_resource(&_pdev->dev, res);
if (IS_ERR(base))
return PTR_ERR(base);
- match = of_match_device(sunxi_sram_dt_match, &pdev->dev);
+ match = of_match_device(sunxi_sram_dt_match, &_pdev->dev);
if (!match)
return -ENODEV;
@@ -212,6 +217,7 @@ static int sunxi_sram_probe(struct platform_device *pdev)
sram->enabled = true;
}
+ pdev = _pdev;
d = debugfs_create_file("sram", S_IRUGO, NULL, NULL,
&sunxi_sram_fops);
--
2.1.4
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