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From d568739f1c21e1768a887ff85611769f782eb64f Mon Sep 17 00:00:00 2001
From: Baruch Siach <baruch.siach@siklu.com>
Date: Tue, 21 Jun 2022 11:54:53 +0300
Subject: [PATCH] PCI: qcom: Define slot capabilities using PCI_EXP_SLTCAP_*
The PCIE_CAP_LINK1_VAL macro actually defines slot capabilities. Use
PCI_EXP_SLTCAP_* macros to spell its value, and rename it to better
describe its meaning.
Link: https://lore.kernel.org/r/3025d5e1d8da64798db6958f9780c4763fbcac47.1655799816.git.baruch@tkos.co.il
Signed-off-by: Baruch Siach <baruch.siach@siklu.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>
---
drivers/pci/controller/dwc/pcie-qcom.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -69,7 +69,20 @@
#define PCIE20_AXI_MSTR_RESP_COMP_CTRL1 0x81c
#define CFG_BRIDGE_SB_INIT BIT(0)
-#define PCIE_CAP_LINK1_VAL 0x2FD7F
+#define PCIE_CAP_SLOT_POWER_LIMIT_VAL FIELD_PREP(PCI_EXP_SLTCAP_SPLV, \
+ 250)
+#define PCIE_CAP_SLOT_POWER_LIMIT_SCALE FIELD_PREP(PCI_EXP_SLTCAP_SPLS, \
+ 1)
+#define PCIE_CAP_SLOT_VAL (PCI_EXP_SLTCAP_ABP | \
+ PCI_EXP_SLTCAP_PCP | \
+ PCI_EXP_SLTCAP_MRLSP | \
+ PCI_EXP_SLTCAP_AIP | \
+ PCI_EXP_SLTCAP_PIP | \
+ PCI_EXP_SLTCAP_HPS | \
+ PCI_EXP_SLTCAP_HPC | \
+ PCI_EXP_SLTCAP_EIP | \
+ PCIE_CAP_SLOT_POWER_LIMIT_VAL | \
+ PCIE_CAP_SLOT_POWER_LIMIT_SCALE)
#define PCIE20_PARF_Q2A_FLUSH 0x1AC
@@ -1125,7 +1138,7 @@ static int qcom_pcie_post_init_2_3_3(str
writel(PCI_COMMAND_MASTER, pci->dbi_base + PCI_COMMAND);
writel(DBI_RO_WR_EN, pci->dbi_base + PCIE20_MISC_CONTROL_1_REG);
- writel(PCIE_CAP_LINK1_VAL, pci->dbi_base + offset + PCI_EXP_SLTCAP);
+ writel(PCIE_CAP_SLOT_VAL, pci->dbi_base + offset + PCI_EXP_SLTCAP);
val = readl(pci->dbi_base + offset + PCI_EXP_LNKCAP);
val &= ~PCI_EXP_LNKCAP_ASPMS;
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