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authorBiju Das <biju.das.jz@bp.renesas.com>2025-11-24 10:28:28 +0000
committerMarc Kleine-Budde <mkl@pengutronix.de>2025-11-26 11:21:55 +0100
commiteda3d6c8d784835cec86f42b3f8118c9eb0cc58c (patch)
treef0f50bc9e58cd220e817036b087ebba00bd1580c /include/linux/array_size.h
parent790ec4c453890f1221ea595674a1206bbee41dc4 (diff)
downloadkernel-eda3d6c8d784835cec86f42b3f8118c9eb0cc58c.tar.gz
can: rcar_canfd: Use devm_clk_get_optional() for RAM clk
Replace devm_clk_get_optional_enabled()->devm_clk_get_optional() as the RAM clk needs to be enabled in resume for proper operation in STR mode for RZ/G3E SoC. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://patch.msgid.link/20251124102837.106973-4-biju.das.jz@bp.renesas.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'include/linux/array_size.h')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.46.0) at 2026-08-19 02:16:31 +0000
19 17:02:47 -0700'>2023-10-19selftests/bpf: Add tests for open-coded task and css iterChuyi Zhou This patch adds 4 subtests to demonstrate these patterns and validating correctness. subtest1: 1) We use task_iter to iterate all process in the system and search for the current process with a given pid. 2) We create some threads in current process context, and use BPF_TASK_ITER_PROC_THREADS to iterate all threads of current process. As expected, we would find all the threads of current process. 3) We create some threads and use BPF_TASK_ITER_ALL_THREADS to iterate all threads in the system. As expected, we would find all the threads which was created. subtest2: We create a cgroup and add the current task to the cgroup. In the BPF program, we would use bpf_for_each(css_task, task, css) to iterate all tasks under the cgroup. As expected, we would find the current process. subtest3: 1) We create a cgroup tree. In the BPF program, we use bpf_for_each(css, pos, root, XXX) to iterate all descendant under the root with pre and post order. As expected, we would find all descendant and the last iterating cgroup in post-order is root cgroup, the first iterating cgroup in pre-order is root cgroup. 2) We wse BPF_CGROUP_ITER_ANCESTORS_UP to traverse the cgroup tree starting from leaf and root separately, and record the height. The diff of the hights would be the total tree-high - 1. subtest4: Add some failure testcase when using css_task, task and css iters, e.g, unlock when using task-iters to iterate tasks. Signed-off-by: Chuyi Zhou <zhouchuyi@bytedance.com> Link: https://lore.kernel.org/r/20231018061746.111364-9-zhouchuyi@bytedance.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>