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Message-Id: <20240731222831.14895-12-james.quinlan@broadcom.com>
Date: Wed, 31 Jul 2024 18:28:25 -0400
From: Jim Quinlan <james.quinlan@...adcom.com>
To: linux-pci@...r.kernel.org,
Nicolas Saenz Julienne <nsaenz@...nel.org>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Cyril Brulebois <kibi@...ian.org>,
Stanimir Varbanov <svarbanov@...e.de>,
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
bcm-kernel-feedback-list@...adcom.com,
jim2101024@...il.com,
james.quinlan@...adcom.com
Cc: Florian Fainelli <florian.fainelli@...adcom.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczyński <kw@...ux.com>,
Rob Herring <robh@...nel.org>,
linux-rpi-kernel@...ts.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE),
linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE),
linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v5 11/12] PCI: brcmstb: Change field name from 'type' to 'soc_base'
The 'type' field used in the driver to discern SoC differences is
confusing; change it to the more apt 'soc_base'. The 'base' is because
some SoCs have the same characteristics as previous SoCs so it is
convenient to classify them in the same group.
Signed-off-by: Jim Quinlan <james.quinlan@...adcom.com>
---
drivers/pci/controller/pcie-brcmstb.c | 42 +++++++++++++--------------
1 file changed, 21 insertions(+), 21 deletions(-)
diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index c4ceb1823a79..4623b70f9ad8 100644
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -218,7 +218,7 @@ enum {
PCIE_INTR2_CPU_BASE,
};
-enum pcie_type {
+enum pcie_soc_base {
GENERIC,
BCM7425,
BCM7435,
@@ -236,7 +236,7 @@ struct inbound_win {
struct pcie_cfg_data {
const int *offsets;
- const enum pcie_type type;
+ const enum pcie_soc_base soc_base;
const bool has_phy;
unsigned int num_inbound_wins;
int (*perst_set)(struct brcm_pcie *pcie, u32 val);
@@ -277,7 +277,7 @@ struct brcm_pcie {
u64 msi_target_addr;
struct brcm_msi *msi;
const int *reg_offsets;
- enum pcie_type type;
+ enum pcie_soc_base soc_base;
struct reset_control *rescal;
struct reset_control *perst_reset;
struct reset_control *bridge_reset;
@@ -295,7 +295,7 @@ struct brcm_pcie {
static inline bool is_bmips(const struct brcm_pcie *pcie)
{
- return pcie->type == BCM7435 || pcie->type == BCM7425;
+ return pcie->soc_base == BCM7435 || pcie->soc_base == BCM7425;
}
/*
@@ -860,7 +860,7 @@ static int brcm_pcie_get_inbound_wins(struct brcm_pcie *pcie,
* security considerations, and is not implemented in our modern
* SoCs.
*/
- if (pcie->type != BCM7712)
+ if (pcie->soc_base != BCM7712)
set_bar(b++, &n, 0, 0, 0);
resource_list_for_each_entry(entry, &bridge->dma_ranges) {
@@ -877,7 +877,7 @@ static int brcm_pcie_get_inbound_wins(struct brcm_pcie *pcie,
* That being said, each BARs size must still be a power of
* two.
*/
- if (pcie->type == BCM7712)
+ if (pcie->soc_base == BCM7712)
set_bar(b++, &n, size, cpu_beg, pcie_beg);
if (n > pcie->num_inbound_wins)
@@ -894,7 +894,7 @@ static int brcm_pcie_get_inbound_wins(struct brcm_pcie *pcie,
* that enables multiple memory controllers. As such, it can return
* now w/o doing special configuration.
*/
- if (pcie->type == BCM7712)
+ if (pcie->soc_base == BCM7712)
return n;
ret = of_property_read_variable_u64_array(pcie->np, "brcm,scb-sizes", pcie->memc_size, 1,
@@ -1017,7 +1017,7 @@ static void set_inbound_win_registers(struct brcm_pcie *pcie,
* 7712:
* All of their BARs need to be set.
*/
- if (pcie->type == BCM7712) {
+ if (pcie->soc_base == BCM7712) {
/* BUS remap register settings */
reg_offset = brcm_ubus_reg_offset(i);
tmp = lower_32_bits(cpu_addr) & ~0xfff;
@@ -1045,7 +1045,7 @@ static int brcm_pcie_setup(struct brcm_pcie *pcie)
return ret;
/* Ensure that PERST# is asserted; some bootloaders may deassert it. */
- if (pcie->type == BCM2711) {
+ if (pcie->soc_base == BCM2711) {
ret = pcie->perst_set(pcie, 1);
if (ret) {
pcie->bridge_sw_init_set(pcie, 0);
@@ -1076,9 +1076,9 @@ static int brcm_pcie_setup(struct brcm_pcie *pcie)
*/
if (is_bmips(pcie))
burst = 0x1; /* 256 bytes */
- else if (pcie->type == BCM2711)
+ else if (pcie->soc_base == BCM2711)
burst = 0x0; /* 128 bytes */
- else if (pcie->type == BCM7278)
+ else if (pcie->soc_base == BCM7278)
burst = 0x3; /* 512 bytes */
else
burst = 0x2; /* 512 bytes */
@@ -1675,7 +1675,7 @@ static const int pcie_offsets_bmips_7425[] = {
static const struct pcie_cfg_data generic_cfg = {
.offsets = pcie_offsets,
- .type = GENERIC,
+ .soc_base = GENERIC,
.perst_set = brcm_pcie_perst_set_generic,
.bridge_sw_init_set = brcm_pcie_bridge_sw_init_set_generic,
.num_inbound_wins = 3,
@@ -1683,7 +1683,7 @@ static const struct pcie_cfg_data generic_cfg = {
static const struct pcie_cfg_data bcm7425_cfg = {
.offsets = pcie_offsets_bmips_7425,
- .type = BCM7425,
+ .soc_base = BCM7425,
.perst_set = brcm_pcie_perst_set_generic,
.bridge_sw_init_set = brcm_pcie_bridge_sw_init_set_generic,
.num_inbound_wins = 3,
@@ -1691,7 +1691,7 @@ static const struct pcie_cfg_data bcm7425_cfg = {
static const struct pcie_cfg_data bcm7435_cfg = {
.offsets = pcie_offsets,
- .type = BCM7435,
+ .soc_base = BCM7435,
.perst_set = brcm_pcie_perst_set_generic,
.bridge_sw_init_set = brcm_pcie_bridge_sw_init_set_generic,
.num_inbound_wins = 3,
@@ -1699,7 +1699,7 @@ static const struct pcie_cfg_data bcm7435_cfg = {
static const struct pcie_cfg_data bcm4908_cfg = {
.offsets = pcie_offsets,
- .type = BCM4908,
+ .soc_base = BCM4908,
.perst_set = brcm_pcie_perst_set_4908,
.bridge_sw_init_set = brcm_pcie_bridge_sw_init_set_generic,
.num_inbound_wins = 3,
@@ -1715,7 +1715,7 @@ static const int pcie_offset_bcm7278[] = {
static const struct pcie_cfg_data bcm7278_cfg = {
.offsets = pcie_offset_bcm7278,
- .type = BCM7278,
+ .soc_base = BCM7278,
.perst_set = brcm_pcie_perst_set_7278,
.bridge_sw_init_set = brcm_pcie_bridge_sw_init_set_7278,
.num_inbound_wins = 3,
@@ -1723,7 +1723,7 @@ static const struct pcie_cfg_data bcm7278_cfg = {
static const struct pcie_cfg_data bcm2711_cfg = {
.offsets = pcie_offsets,
- .type = BCM2711,
+ .soc_base = BCM2711,
.perst_set = brcm_pcie_perst_set_generic,
.bridge_sw_init_set = brcm_pcie_bridge_sw_init_set_generic,
.num_inbound_wins = 3,
@@ -1731,7 +1731,7 @@ static const struct pcie_cfg_data bcm2711_cfg = {
static const struct pcie_cfg_data bcm7216_cfg = {
.offsets = pcie_offset_bcm7278,
- .type = BCM7278,
+ .soc_base = BCM7278,
.perst_set = brcm_pcie_perst_set_7278,
.bridge_sw_init_set = brcm_pcie_bridge_sw_init_set_7278,
.has_phy = true,
@@ -1788,7 +1788,7 @@ static int brcm_pcie_probe(struct platform_device *pdev)
pcie->dev = &pdev->dev;
pcie->np = np;
pcie->reg_offsets = data->offsets;
- pcie->type = data->type;
+ pcie->soc_base = data->soc_base;
pcie->perst_set = data->perst_set;
pcie->bridge_sw_init_set = data->bridge_sw_init_set;
pcie->has_phy = data->has_phy;
@@ -1858,7 +1858,7 @@ static int brcm_pcie_probe(struct platform_device *pdev)
goto fail;
pcie->hw_rev = readl(pcie->base + PCIE_MISC_REVISION);
- if (pcie->type == BCM4908 && pcie->hw_rev >= BRCM_PCIE_HW_REV_3_20) {
+ if (pcie->soc_base == BCM4908 && pcie->hw_rev >= BRCM_PCIE_HW_REV_3_20) {
dev_err(pcie->dev, "hardware revision with unsupported PERST# setup\n");
ret = -ENODEV;
goto fail;
@@ -1871,7 +1871,7 @@ static int brcm_pcie_probe(struct platform_device *pdev)
goto fail;
}
- bridge->ops = pcie->type == BCM7425 ? &brcm7425_pcie_ops : &brcm_pcie_ops;
+ bridge->ops = pcie->soc_base == BCM7425 ? &brcm7425_pcie_ops : &brcm_pcie_ops;
bridge->sysdata = pcie;
platform_set_drvdata(pdev, pcie);
--
2.17.1
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