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authorJean-Jacques Hiblot <jjhiblot@ti.com>2019-10-22 14:00:05 +0200
committerLukasz Majewski <lukma@denx.de>2019-10-22 16:14:05 +0200
commitdd2e0ce2a408c527b1146a9159b68565596cef56 (patch)
treec7f64b2b791942206e4e2aa7d9afd4bb2a725c2b /drivers/clk
parent52720c536ffdbe0e6aece79840e2791d87204cf7 (diff)
test: clk: Update tests to also check the managed API
Add a few more clocks the clk_sandbox clock provider and get them using the managed API. Make sure they are released when the device is removed. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/clk_sandbox.c34
-rw-r--r--drivers/clk/clk_sandbox_test.c66
2 files changed, 91 insertions, 9 deletions
diff --git a/drivers/clk/clk_sandbox.c b/drivers/clk/clk_sandbox.c
index 1d5cbb589a..d152fd7e5b 100644
--- a/drivers/clk/clk_sandbox.c
+++ b/drivers/clk/clk_sandbox.c
@@ -12,6 +12,7 @@
struct sandbox_clk_priv {
ulong rate[SANDBOX_CLK_ID_COUNT];
bool enabled[SANDBOX_CLK_ID_COUNT];
+ bool requested[SANDBOX_CLK_ID_COUNT];
};
static ulong sandbox_clk_get_rate(struct clk *clk)
@@ -65,11 +66,35 @@ static int sandbox_clk_disable(struct clk *clk)
return 0;
}
+static int sandbox_clk_request(struct clk *clk)
+{
+ struct sandbox_clk_priv *priv = dev_get_priv(clk->dev);
+
+ if (clk->id >= SANDBOX_CLK_ID_COUNT)
+ return -EINVAL;
+
+ priv->requested[clk->id] = true;
+ return 0;
+}
+
+static int sandbox_clk_free(struct clk *clk)
+{
+ struct sandbox_clk_priv *priv = dev_get_priv(clk->dev);
+
+ if (clk->id >= SANDBOX_CLK_ID_COUNT)
+ return -EINVAL;
+
+ priv->requested[clk->id] = false;
+ return 0;
+}
+
static struct clk_ops sandbox_clk_ops = {
.get_rate = sandbox_clk_get_rate,
.set_rate = sandbox_clk_set_rate,
.enable = sandbox_clk_enable,
.disable = sandbox_clk_disable,
+ .request = sandbox_clk_request,
+ .free = sandbox_clk_free,
};
static const struct udevice_id sandbox_clk_ids[] = {
@@ -104,3 +129,12 @@ int sandbox_clk_query_enable(struct udevice *dev, int id)
return priv->enabled[id];
}
+
+int sandbox_clk_query_requested(struct udevice *dev, int id)
+{
+ struct sandbox_clk_priv *priv = dev_get_priv(dev);
+
+ if (id < 0 || id >= SANDBOX_CLK_ID_COUNT)
+ return -EINVAL;
+ return priv->requested[id];
+}
diff --git a/drivers/clk/clk_sandbox_test.c b/drivers/clk/clk_sandbox_test.c
index e8465dbfad..41954660ea 100644
--- a/drivers/clk/clk_sandbox_test.c
+++ b/drivers/clk/clk_sandbox_test.c
@@ -9,7 +9,8 @@
#include <asm/clk.h>
struct sandbox_clk_test {
- struct clk clks[SANDBOX_CLK_TEST_ID_COUNT];
+ struct clk clks[SANDBOX_CLK_TEST_NON_DEVM_COUNT];
+ struct clk *clkps[SANDBOX_CLK_TEST_ID_COUNT];
struct clk_bulk bulk;
};
@@ -24,7 +25,7 @@ int sandbox_clk_test_get(struct udevice *dev)
struct sandbox_clk_test *sbct = dev_get_priv(dev);
int i, ret;
- for (i = 0; i < SANDBOX_CLK_TEST_ID_COUNT; i++) {
+ for (i = 0; i < SANDBOX_CLK_TEST_NON_DEVM_COUNT; i++) {
ret = clk_get_by_name(dev, sandbox_clk_test_names[i],
&sbct->clks[i]);
if (ret)
@@ -34,6 +35,37 @@ int sandbox_clk_test_get(struct udevice *dev)
return 0;
}
+int sandbox_clk_test_devm_get(struct udevice *dev)
+{
+ struct sandbox_clk_test *sbct = dev_get_priv(dev);
+ struct clk *clk;
+
+ clk = devm_clk_get(dev, "no-an-existing-clock");
+ if (!IS_ERR(clk)) {
+ dev_err(dev, "devm_clk_get() should have failed\n");
+ return -EINVAL;
+ }
+
+ clk = devm_clk_get(dev, "uart2");
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+ sbct->clkps[SANDBOX_CLK_TEST_ID_DEVM1] = clk;
+
+ clk = devm_clk_get_optional(dev, "uart1");
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+ sbct->clkps[SANDBOX_CLK_TEST_ID_DEVM2] = clk;
+
+ sbct->clkps[SANDBOX_CLK_TEST_ID_DEVM_NULL] = NULL;
+ clk = devm_clk_get_optional(dev, "not_an_existing_clock");
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+ if (clk)
+ return -EINVAL;
+
+ return 0;
+}
+
int sandbox_clk_test_get_bulk(struct udevice *dev)
{
struct sandbox_clk_test *sbct = dev_get_priv(dev);
@@ -48,7 +80,7 @@ ulong sandbox_clk_test_get_rate(struct udevice *dev, int id)
if (id < 0 || id >= SANDBOX_CLK_TEST_ID_COUNT)
return -EINVAL;
- return clk_get_rate(&sbct->clks[id]);
+ return clk_get_rate(sbct->clkps[id]);
}
ulong sandbox_clk_test_set_rate(struct udevice *dev, int id, ulong rate)
@@ -58,7 +90,7 @@ ulong sandbox_clk_test_set_rate(struct udevice *dev, int id, ulong rate)
if (id < 0 || id >= SANDBOX_CLK_TEST_ID_COUNT)
return -EINVAL;
- return clk_set_rate(&sbct->clks[id], rate);
+ return clk_set_rate(sbct->clkps[id], rate);
}
int sandbox_clk_test_enable(struct udevice *dev, int id)
@@ -68,7 +100,7 @@ int sandbox_clk_test_enable(struct udevice *dev, int id)
if (id < 0 || id >= SANDBOX_CLK_TEST_ID_COUNT)
return -EINVAL;
- return clk_enable(&sbct->clks[id]);
+ return clk_enable(sbct->clkps[id]);
}
int sandbox_clk_test_enable_bulk(struct udevice *dev)
@@ -85,7 +117,7 @@ int sandbox_clk_test_disable(struct udevice *dev, int id)
if (id < 0 || id >= SANDBOX_CLK_TEST_ID_COUNT)
return -EINVAL;
- return clk_disable(&sbct->clks[id]);
+ return clk_disable(sbct->clkps[id]);
}
int sandbox_clk_test_disable_bulk(struct udevice *dev)
@@ -100,7 +132,8 @@ int sandbox_clk_test_free(struct udevice *dev)
struct sandbox_clk_test *sbct = dev_get_priv(dev);
int i, ret;
- for (i = 0; i < SANDBOX_CLK_TEST_ID_COUNT; i++) {
+ devm_clk_put(dev, sbct->clkps[SANDBOX_CLK_TEST_ID_DEVM1]);
+ for (i = 0; i < SANDBOX_CLK_TEST_NON_DEVM_COUNT; i++) {
ret = clk_free(&sbct->clks[i]);
if (ret)
return ret;
@@ -122,13 +155,27 @@ int sandbox_clk_test_valid(struct udevice *dev)
int i;
for (i = 0; i < SANDBOX_CLK_TEST_ID_COUNT; i++) {
- if (!clk_valid(&sbct->clks[i]))
- return -EINVAL;
+ if (!clk_valid(sbct->clkps[i]))
+ if (i != SANDBOX_CLK_TEST_ID_DEVM_NULL)
+ return -EINVAL;
}
return 0;
}
+static int sandbox_clk_test_probe(struct udevice *dev)
+{
+ struct sandbox_clk_test *sbct = dev_get_priv(dev);
+ int i;
+
+ for (i = 0; i < SANDBOX_CLK_TEST_ID_DEVM1; i++)
+ sbct->clkps[i] = &sbct->clks[i];
+ for (i = SANDBOX_CLK_TEST_ID_DEVM1; i < SANDBOX_CLK_TEST_ID_COUNT; i++)
+ sbct->clkps[i] = NULL;
+
+ return 0;
+}
+
static const struct udevice_id sandbox_clk_test_ids[] = {
{ .compatible = "sandbox,clk-test" },
{ }
@@ -138,5 +185,6 @@ U_BOOT_DRIVER(sandbox_clk_test) = {
.name = "sandbox_clk_test",
.id = UCLASS_MISC,
.of_match = sandbox_clk_test_ids,
+ .probe = sandbox_clk_test_probe,
.priv_auto_alloc_size = sizeof(struct sandbox_clk_test),
};