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test: clk: Update tests to also check the managed API

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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>
This commit is contained in:
Jean-Jacques Hiblot 2019-10-22 14:00:05 +02:00 committed by Lukasz Majewski
parent 52720c536f
commit dd2e0ce2a4
5 changed files with 162 additions and 11 deletions
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6
arch/sandbox/dts/test.dts
View File

@ -232,8 +232,10 @@
compatible = "sandbox,clk-test";
clocks = <&clk_fixed>,
<&clk_sandbox 1>,
<&clk_sandbox 0>;
clock-names = "fixed", "i2c", "spi";
<&clk_sandbox 0>,
<&clk_sandbox 3>,
<&clk_sandbox 2>;
clock-names = "fixed", "i2c", "spi", "uart2", "uart1";
};
ccf: clk-ccf {

33
arch/sandbox/include/asm/clk.h
View File

@ -19,6 +19,8 @@ struct udevice;
enum sandbox_clk_id {
SANDBOX_CLK_ID_SPI,
SANDBOX_CLK_ID_I2C,
SANDBOX_CLK_ID_UART1,
SANDBOX_CLK_ID_UART2,
SANDBOX_CLK_ID_COUNT,
};
@ -33,10 +35,15 @@ enum sandbox_clk_test_id {
SANDBOX_CLK_TEST_ID_FIXED,
SANDBOX_CLK_TEST_ID_SPI,
SANDBOX_CLK_TEST_ID_I2C,
SANDBOX_CLK_TEST_ID_DEVM1,
SANDBOX_CLK_TEST_ID_DEVM2,
SANDBOX_CLK_TEST_ID_DEVM_NULL,
SANDBOX_CLK_TEST_ID_COUNT,
};
#define SANDBOX_CLK_TEST_NON_DEVM_COUNT SANDBOX_CLK_TEST_ID_DEVM1
/**
* sandbox_clk_query_rate - Query the current rate of a sandbox clock.
*
@ -53,6 +60,14 @@ ulong sandbox_clk_query_rate(struct udevice *dev, int id);
* @return: The rate of the clock.
*/
int sandbox_clk_query_enable(struct udevice *dev, int id);
/**
* sandbox_clk_query_requested - Query the requested state of a sandbox clock.
*
* @dev: The sandbox clock provider device.
* @id: The clock to query.
* @return: The rate of the clock.
*/
int sandbox_clk_query_requested(struct udevice *dev, int id);
/**
* sandbox_clk_test_get - Ask the sandbox clock test device to request its
@ -62,6 +77,16 @@ int sandbox_clk_query_enable(struct udevice *dev, int id);
* @return: 0 if OK, or a negative error code.
*/
int sandbox_clk_test_get(struct udevice *dev);
/**
* sandbox_clk_test_devm_get - Ask the sandbox clock test device to request its
* clocks using the managed API.
*
* @dev: The sandbox clock test (client) devivce.
* @return: 0 if OK, or a negative error code.
*/
int sandbox_clk_test_devm_get(struct udevice *dev);
/**
* sandbox_clk_test_get_bulk - Ask the sandbox clock test device to request its
* clocks with the bulk clk API.
@ -146,5 +171,13 @@ int sandbox_clk_test_release_bulk(struct udevice *dev);
* @return: 0 if OK, or a negative error code.
*/
int sandbox_clk_test_valid(struct udevice *dev);
/**
* sandbox_clk_test_valid - Ask the sandbox clock test device to check its
* clocks are valid.
*
* @dev: The sandbox clock test (client) devivce.
* @return: 0 if OK, or a negative error code.
*/
struct clk *sandbox_clk_test_get_devm_clk(struct udevice *dev, int id);
#endif

34
drivers/clk/clk_sandbox.c
View File

@ -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];
}

66
drivers/clk/clk_sandbox_test.c
View File

@ -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),
};

34
test/dm/clk.c
View File

@ -8,6 +8,7 @@
#include <dm.h>
#include <asm/clk.h>
#include <dm/test.h>
#include <dm/device-internal.h>
#include <linux/err.h>
#include <test/ut.h>
@ -53,8 +54,19 @@ static int dm_test_clk(struct unit_test_state *uts)
ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
&dev_test));
ut_assertok(sandbox_clk_test_get(dev_test));
ut_assertok(sandbox_clk_test_devm_get(dev_test));
ut_assertok(sandbox_clk_test_valid(dev_test));
ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_DEVM_NULL));
ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
SANDBOX_CLK_TEST_ID_DEVM_NULL,
0));
ut_asserteq(0, sandbox_clk_test_enable(dev_test,
SANDBOX_CLK_TEST_ID_DEVM_NULL));
ut_asserteq(0, sandbox_clk_test_disable(dev_test,
SANDBOX_CLK_TEST_ID_DEVM_NULL));
ut_asserteq(1234,
sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_FIXED));
@ -62,6 +74,10 @@ static int dm_test_clk(struct unit_test_state *uts)
SANDBOX_CLK_TEST_ID_SPI));
ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_I2C));
ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_DEVM1));
ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_DEVM2));
rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
12345);
@ -121,8 +137,25 @@ static int dm_test_clk(struct unit_test_state *uts)
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
SANDBOX_CLK_ID_SPI));
ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
SANDBOX_CLK_ID_I2C));
ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
SANDBOX_CLK_ID_UART2));
ut_assertok(sandbox_clk_test_free(dev_test));
ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
SANDBOX_CLK_ID_I2C));
ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
SANDBOX_CLK_ID_UART2));
ut_asserteq(1, sandbox_clk_query_requested(dev_clk,
SANDBOX_CLK_ID_UART1));
ut_assertok(device_remove(dev_test, DM_REMOVE_NORMAL));
ut_asserteq(0, sandbox_clk_query_requested(dev_clk,
SANDBOX_CLK_ID_UART1));
return 0;
}
DM_TEST(dm_test_clk, DM_TESTF_SCAN_FDT);
@ -159,6 +192,7 @@ static int dm_test_clk_bulk(struct unit_test_state *uts)
ut_assertok(sandbox_clk_test_release_bulk(dev_test));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(device_remove(dev_test, DM_REMOVE_NORMAL));
return 0;
}