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intel/block/pcie/rtd3: ACPI debug messages

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Change-Id: Icc4a882ff73f62a134b92f1afb0dc298ea809189
This commit is contained in:
Jeremy Soller
2020-12-29 11:21:39 -07:00
committed by Tim Crawford
parent b60f563ef2
commit ecfc4d9e81
1 changed files with 6 additions and 3 deletions
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9
src/soc/intel/common/block/pcie/rtd3/rtd3.c
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@@ -131,6 +131,8 @@ pcie_rtd3_acpi_method_on(unsigned int pcie_rp,
acpigen_write_method_serialized("_ON", 0); acpigen_write_method_serialized("_ON", 0);
acpigen_write_debug_string("PCIe RTD3 _ON");
/* The _STA returns current power status of device, so we can skip _ON /* The _STA returns current power status of device, so we can skip _ON
* if _STA returns 1 * if _STA returns 1
* Example: * Example:
@@ -147,7 +149,6 @@ pcie_rtd3_acpi_method_on(unsigned int pcie_rp,
acpigen_write_return_op(ONE_OP); acpigen_write_return_op(ONE_OP);
acpigen_write_if_end(); acpigen_write_if_end();
/* When this feature is enabled, ONSK indicates if the previous _OFF was /* When this feature is enabled, ONSK indicates if the previous _OFF was
* skipped. If so, since the device was not in Off state, and the current * skipped. If so, since the device was not in Off state, and the current
* _ON can be skipped as well. * _ON can be skipped as well.
@@ -201,6 +202,8 @@ pcie_rtd3_acpi_method_off(int pcie_rp,
{ {
acpigen_write_method_serialized("_OFF", 0); acpigen_write_method_serialized("_OFF", 0);
acpigen_write_debug_string("PCIe RTD3 _OFF");
/* When this feature is enabled, ONSK is checked to see if the device /* When this feature is enabled, ONSK is checked to see if the device
* wants _OFF to be skipped for once. ONSK is normally incremented in the * wants _OFF to be skipped for once. ONSK is normally incremented in the
* device method, such as reset _RST, which is invoked during driver reload. * device method, such as reset _RST, which is invoked during driver reload.
@@ -394,8 +397,8 @@ static void pcie_rtd3_acpi_fill_ssdt(const struct device *dev)
} }
} }
printk(BIOS_INFO, "%s: Enable RTD3 for %s (%s)\n", scope, dev_path(parent), printk(BIOS_INFO, "%s: Enable RTD3 for %s (%s) on RP #%d\n", scope, dev_path(parent),
config->desc ?: dev->chip_ops->name); config->desc ?: dev->chip_ops->name, pcie_rp + 1);
/* Create a mutex for exclusive access to the PMC registers. */ /* Create a mutex for exclusive access to the PMC registers. */
if (rp_type == PCIE_RP_PCH && !mutex_created) { if (rp_type == PCIE_RP_PCH && !mutex_created) {