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authorBoris Brezillon <boris.brezillon@free-electrons.com>2015-08-16 11:23:46 +0200
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2015-10-06 12:33:14 +0200
commit7d8d05d11473a169ab4d53bc7fc23d1fe3f1959f (patch)
treebee4e05c057bad03571e622f911fe391b684515b /drivers/misc/atmel_tclib.c
parenteed9fb9df47898ea62d71be7dcc3b36d95819a7c (diff)
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/atmel_tclib.c')
-rw-r--r--drivers/misc/atmel_tclib.c4
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))