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| author | Fabrizio Castro <fabrizio.castro.jz@renesas.com> | 2023-07-15 04:04:00 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-07-17 14:41:42 +0300 |
| commit | aecf9fbdb7a4dc6d83e8d9984c8d9dc074d8ea2e (patch) | |
| tree | 3d8dbb6ca33dd12ca9280aa1f5229bd7ef06e2d4 /tools/perf/scripts/python/stackcollapse.py | |
| parent | 74e27ce8d23c3aeb1a9fdcaf6261462506bbbfc3 (diff) | |
| download | linux-aecf9fbdb7a4dc6d83e8d9984c8d9dc074d8ea2e.tar.xz | |
spi: rzv2m-csi: Rework CSI_CKS_MAX definition
Clock "csiclk" gets divided by 2 * CSI_CLKSEL_CKS in order to generate
the serial clock (output from master), with CSI_CLKSEL_CKS ranging from
0x1 (that means "csiclk" is divided by 2) to 0x3FFF ("csiclk" is divided
by 32766). CSI_CKS_MAX is used for referring to the setting
corresponding to the maximum frequency divider.
Value 0x3FFF for CSI_CKS_MAX doesn't really means much to the reader
without an explanation and a more readable definition.
Add a comment with a meaningful description and also replace value
0x3FFF with the corresponding GENMASK, to make it very clear what the
macro means.
Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230715010407.1751715-4-fabrizio.castro.jz@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions