Re: [PATCH v1 1/2] PCI: qcom: Add system PM support

From: Matthias Kaehlcke
Date: Fri Jun 24 2022 - 14:31:42 EST


On Fri, Jun 24, 2022 at 12:58:01PM +0530, Krishna chaitanya chundru wrote:
> Add suspend and resume pm callbacks.
>
> When system suspends, and if the link is in L1ss, disable the clocks
> so that system enters into low power state to save the maximum power.
> And when the system resumes, enable the clocks back if they are
> disabled in the suspend path.
>
> Signed-off-by: Krishna chaitanya chundru <quic_krichai@xxxxxxxxxxx>

On which tree is this series based on?

With v5.19-rc3 I get:

CC drivers/pci/controller/dwc/pcie-qcom.o
/mnt/host/source/src/third_party/kernel/v5.15/drivers/pci/controller/dwc/pcie-qcom.c:1658:26: error: cannot assign to non-static data member 'cfg' with const-qualified type 'const struct qcom_pcie_cfg *'
pcie->cfg->is_suspended = false;
~~~~~~~~~~~~~~~~~~~~~~~ ^
/mnt/host/source/src/third_party/kernel/v5.15/drivers/pci/controller/dwc/pcie-qcom.c:218:30: note: non-static data member 'cfg' declared const here
const struct qcom_pcie_cfg *cfg;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/mnt/host/source/src/third_party/kernel/v5.15/drivers/pci/controller/dwc/pcie-qcom.c:1721:2: error: use of undeclared identifier 'val'
val = readl(pcie->parf + PCIE20_PARF_PM_STTS);
^
/mnt/host/source/src/third_party/kernel/v5.15/drivers/pci/controller/dwc/pcie-qcom.c:1722:8: error: use of undeclared identifier 'val'
if (!(val & PCIE20_PARF_PM_STTS_LINKST_IN_L1SUB)) {
^
/mnt/host/source/src/third_party/kernel/v5.15/drivers/pci/controller/dwc/pcie-qcom.c:1733:26: error: cannot assign to non-static data member 'cfg' with const-qualified type 'const struct qcom_pcie_cfg *'
pcie->cfg->is_suspended = true;
~~~~~~~~~~~~~~~~~~~~~~~ ^
/mnt/host/source/src/third_party/kernel/v5.15/drivers/pci/controller/dwc/pcie-qcom.c:218:30: note: non-static data member 'cfg' declared const here
const struct qcom_pcie_cfg *cfg;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/mnt/host/source/src/third_party/kernel/v5.15/drivers/pci/controller/dwc/pcie-qcom.c:1749:9: error: no member named 'ops' in 'struct qcom_pcie'
pcie->ops->enable_clks(pcie);
~~~~ ^
/mnt/host/source/src/third_party/kernel/v5.15/drivers/pci/controller/dwc/pcie-qcom.c:1752:9: error: no member named 'ops' in 'struct qcom_pcie'
pcie->ops->post_init(pcie);
~~~~ ^
/mnt/host/source/src/third_party/kernel/v5.15/drivers/pci/controller/dwc/pcie-qcom.c:1754:26: error: cannot assign to non-static data member 'cfg' with const-qualified type 'const struct qcom_pcie_cfg *'
pcie->cfg->is_suspended = false;
~~~~~~~~~~~~~~~~~~~~~~~ ^
/mnt/host/source/src/third_party/kernel/v5.15/drivers/pci/controller/dwc/pcie-qcom.c:218:30: note: non-static data member 'cfg' declared const here
const struct qcom_pcie_cfg *cfg;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
7 errors generated.