mirror of
https://git.proxmox.com/git/mirror_ubuntu-kernels.git
synced 2025-12-09 13:11:03 +00:00
97c2259ec7
The clk and regulator frameworks expect clk/regulator consumer-devices to have info about the consumed clks/regulators described in the device's fw_node. To work around this info missing from the ACPI tables on devices where the int3472 driver is used, the int3472 MFD-cell drivers attach info about consumers to the clks/regulators when registering these. This causes problems with the probe ordering wrt drivers for consumers of these clks/regulators. Since the lookups are only registered when the provider-driver binds, trying to get these clks/regulators before then results in a -ENOENT error for clks and a dummy regulator for regulators. All the sensor ACPI fw-nodes have a _DEP dependency on the INT3472 ACPI fw-node, so to work around these probe ordering issues the ACPI core / i2c-code does not instantiate the I2C-clients for any ACPI devices which have a _DEP dependency on an INT3472 ACPI device until all _DEP-s are met. This relies on acpi_dev_clear_dependencies() getting called by the driver for the _DEP-s when they are ready, add a acpi_dev_clear_dependencies() call to the discrete.c probe code. In the tps68470 case calling acpi_dev_clear_dependencies() is already done by the acpi_gpiochip_add() call done by the driver for the GPIO MFD cell (The GPIO cell is deliberately the last cell created to make sure the clk + regulator cells are already instantiated when this happens). However for proper probe ordering, the clk/regulator cells must not just be instantiated the must be fully ready (the clks + regulators must be registered with their subsystems). Add MODULE_SOFTDEP dependencies for the clk and regulator drivers for the instantiated MFD-cells so that these are loaded before us and so that they bind immediately when the platform-devs are instantiated. Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20211203102857.44539-12-hdegoede@redhat.com |
||
|---|---|---|
| .. | ||
| atomisp2 | ||
| int33fe | ||
| int1092 | ||
| int3472 | ||
| pmc | ||
| pmt | ||
| speed_select_if | ||
| telemetry | ||
| wmi | ||
| bxtwc_tmu.c | ||
| chtdc_ti_pwrbtn.c | ||
| hid.c | ||
| int0002_vgpio.c | ||
| ishtp_eclite.c | ||
| Kconfig | ||
| Makefile | ||
| mrfld_pwrbtn.c | ||
| oaktrail.c | ||
| punit_ipc.c | ||
| rst.c | ||
| smartconnect.c | ||
| turbo_max_3.c | ||
| uncore-frequency.c | ||
| vbtn.c | ||