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author | Nicolin Chen <nicoleotsuka@gmail.com> | 2017-09-15 22:10:13 +0300 |
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committer | Thierry Reding <treding@nvidia.com> | 2017-11-01 17:00:07 +0300 |
commit | 22ef01a203d27fee8b7694020b7e722db7efd2a7 (patch) | |
tree | 8acd2427d7f5542eebe15e9675fdae706aba8f78 /include/dt-bindings/clock | |
parent | 1752c9ee23fb20e5bfdbedf677e91f927f2b8d80 (diff) | |
download | linux-22ef01a203d27fee8b7694020b7e722db7efd2a7.tar.xz |
clk: tegra: Use readl_relaxed_poll_timeout_atomic() in tegra210_clock_init()
Below is the call trace of tegra210_init_pllu() function:
start_kernel()
-> time_init()
--> of_clk_init()
---> tegra210_clock_init()
----> tegra210_pll_init()
-----> tegra210_init_pllu()
Because the preemption is disabled in the start_kernel before calling
time_init, tegra210_init_pllu is actually in an atomic context while
it includes a readl_relaxed_poll_timeout that might sleep.
So this patch just changes this readl_relaxed_poll_timeout() to its
atomic version.
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Acked-By: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'include/dt-bindings/clock')
0 files changed, 0 insertions, 0 deletions