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| author | Alexander Sverdlin <alexander.sverdlin@gmail.com> | 2021-07-26 16:59:50 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-08-03 18:27:24 +0100 |
| commit | 7c72dc56a631b87043e3c5838f5094db30d8c58d (patch) | |
| tree | 8dcd27f3c1925b50038e8480f30ca09a2e0f1612 /include | |
| parent | 6e95b23a5b2d1fcbe5a84a362170a4871a3d5731 (diff) | |
| download | lwn-7c72dc56a631b87043e3c5838f5094db30d8c58d.tar.gz lwn-7c72dc56a631b87043e3c5838f5094db30d8c58d.zip | |
spi: spi-ep93xx: Prepare clock before using it
Use clk_prepare_enable()/clk_disable_unprepare() in preparation for switch
to Common Clock Framework, otherwise the following is visible:
WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:1011 clk_core_enable+0x9c/0xbc
Enabling unprepared ep93xx-spi.0
...
Hardware name: Cirrus Logic EDB9302 Evaluation Board
...
clk_core_enable
clk_core_enable_lock
ep93xx_spi_prepare_hardware
__spi_pump_messages
__spi_sync
spi_sync
spi_sync_transfer.constprop.0
regmap_spi_write
_regmap_raw_write_impl
_regmap_bus_raw_write
_regmap_update_bits
regmap_update_bits_base
cs4271_component_probe
snd_soc_component_probe
soc_probe_component
snd_soc_bind_card
edb93xx_probe
...
spi_master spi0: failed to prepare transfer hardware: -108
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210726140001.24820-3-nikita.shubin@maquefel.me
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions