If common clock framework is configured, the driver generates a warning,
which is fixed by this change:
WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:727 clk_core_enable+0x2c/0xa4()
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Tainted: G W 4.3.0-rc2+ #171
Hardware name: LPC32XX SoC (Flattened Device Tree)
Backtrace:
[<>] (dump_backtrace) from [<>] (show_stack+0x18/0x1c)
[<>] (show_stack) from [<>] (dump_stack+0x20/0x28)
[<>] (dump_stack) from [<>] (warn_slowpath_common+0x90/0xb8)
[<>] (warn_slowpath_common) from [<>] (warn_slowpath_null+0x24/0x2c)
[<>] (warn_slowpath_null) from [<>] (clk_core_enable+0x2c/0xa4)
[<>] (clk_core_enable) from [<>] (clk_enable+0x24/0x38)
[<>] (clk_enable) from [<>] (pnx4008_wdt_probe+0x78/0x11c)
[<>] (pnx4008_wdt_probe) from [<>] (platform_drv_probe+0x50/0xa0)
[<>] (platform_drv_probe) from [<>] (driver_probe_device+0x18c/0x408)
[<>] (driver_probe_device) from [<>] (__driver_attach+0x70/0x94)
[<>] (__driver_attach) from [<>] (bus_for_each_dev+0x74/0x98)
[<>] (bus_for_each_dev) from [<>] (driver_attach+0x20/0x28)
[<>] (driver_attach) from [<>] (bus_add_driver+0x11c/0x248)
[<>] (bus_add_driver) from [<>] (driver_register+0xa4/0xe8)
[<>] (driver_register) from [<>] (__platform_driver_register+0x50/0x64)
[<>] (__platform_driver_register) from [<>] (platform_wdt_driver_init+0x18/0x20)
[<>] (platform_wdt_driver_init) from [<>] (do_one_initcall+0x11c/0x1dc)
[<>] (do_one_initcall) from [<>] (kernel_init_freeable+0x10c/0x1d4)
[<>] (kernel_init_freeable) from [<>] (kernel_init+0x10/0xec)
[<>] (kernel_init) from [<>] (ret_from_fork+0x14/0x24)
Signed-off-by: Vladimir Zapolskiy <vz@xxxxxxxxx>
---
drivers/watchdog/pnx4008_wdt.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c
index 4224b3e..35319a4 100644
--- a/drivers/watchdog/pnx4008_wdt.c
+++ b/drivers/watchdog/pnx4008_wdt.c
@@ -161,7 +161,7 @@ static int pnx4008_wdt_probe(struct platform_device *pdev)
if (IS_ERR(wdt_clk))
return PTR_ERR(wdt_clk);
- ret = clk_enable(wdt_clk);
+ ret = clk_prepare_enable(wdt_clk);
if (ret)
return ret;
@@ -184,7 +184,7 @@ static int pnx4008_wdt_probe(struct platform_device *pdev)
return 0;
disable_clk:
- clk_disable(wdt_clk);
+ clk_disable_unprepare(wdt_clk);
return ret;
}
@@ -192,7 +192,7 @@ static int pnx4008_wdt_remove(struct platform_device *pdev)
{
watchdog_unregister_device(&pnx4008_wdd);
- clk_disable(wdt_clk);
+ clk_disable_unprepare(wdt_clk);
return 0;
}
--
2.1.4
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