[PATCH] ARM: OMAP2+: Fix bogus struct clk comparison for timer clock
Stephen Boyd
sboyd at codeaurora.org
Tue May 5 22:35:39 PDT 2015
On 05/05, Tony Lindgren wrote:
> With recent changes to use determine_rate, the comparison of two
> clocks won't work without doing __clk_get_hw on the clocks
> first.
>
> Cc: Michael Turquette <mturquette at linaro.org>
> Cc: Paul Walmsley <paul at pwsan.com>
> Cc: Stephen Boyd <sboyd at codeaurora.org>
> Cc: Tero Kristo <t-kristo at ti.com>
> Cc: Tomeu Vizoso <tomeu.vizoso at collabora.com>
> Signed-off-by: Tony Lindgren <tony at atomide.com>
> ---
>
> Found one more of these, the coccinelle scripts do not seem
> to match this?
I don't think the coccinelle script was ever merged...
>
> ---
> arch/arm/mach-omap2/timer.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
> index cef67af..22c7a8e 100644
> --- a/arch/arm/mach-omap2/timer.c
> +++ b/arch/arm/mach-omap2/timer.c
> @@ -35,6 +35,7 @@
> #include <linux/irq.h>
> #include <linux/clocksource.h>
> #include <linux/clockchips.h>
> +#include <linux/clk-provider.h>
> #include <linux/slab.h>
> #include <linux/of.h>
> #include <linux/of_address.h>
> @@ -298,7 +299,7 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer,
> if (IS_ERR(src))
> return PTR_ERR(src);
>
> - if (clk_get_parent(timer->fclk) != src) {
> + if (__clk_get_hw(clk_get_parent(timer->fclk)) != __clk_get_hw(src)) {
Please use clk_is_match() instead so we can find these instances
with an easy grep.
> r = clk_set_parent(timer->fclk, src);
> if (r < 0) {
> pr_warn("%s: %s cannot set source\n", __func__,
--
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