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| author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2015-08-16 11:23:46 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2015-10-06 12:33:14 +0200 |
| commit | 7d8d05d11473a169ab4d53bc7fc23d1fe3f1959f (patch) | |
| tree | bee4e05c057bad03571e622f911fe391b684515b /drivers/misc | |
| parent | clocksource: tcb_clksrc: fix setup_clkevents error path (diff) | |
| download | linux-7d8d05d11473a169ab4d53bc7fc23d1fe3f1959f.tar.xz linux-7d8d05d11473a169ab4d53bc7fc23d1fe3f1959f.zip | |
misc: atmel_tclib: get and use slow clock
Commit dca1a4b5ff6e ("clk: at91: keep slow clk enabled to prevent system
hang") added a workaround for the slow clock as it is not properly handled
by its users.
Get and use the slow clock as it is necessary for the timer counters.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/atmel_tclib.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/atmel_tclib.c b/drivers/misc/atmel_tclib.c index 0ca05c3ec8d6..ac24a4bd63f7 100644 --- a/drivers/misc/atmel_tclib.c +++ b/drivers/misc/atmel_tclib.c @@ -125,6 +125,10 @@ static int __init tc_probe(struct platform_device *pdev) if (IS_ERR(clk)) return PTR_ERR(clk); + tc->slow_clk = devm_clk_get(&pdev->dev, "slow_clk"); + if (IS_ERR(tc->slow_clk)) + return PTR_ERR(tc->slow_clk); + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); tc->regs = devm_ioremap_resource(&pdev->dev, r); if (IS_ERR(tc->regs)) |