From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/pci/ecam.c | 20 +++++++++++++++++---
1 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/kernel/drivers/pci/ecam.c b/kernel/drivers/pci/ecam.c
index 1a81af0..b54d32a 100644
--- a/kernel/drivers/pci/ecam.c
+++ b/kernel/drivers/pci/ecam.c
@@ -26,7 +26,7 @@
*/
struct pci_config_window *pci_ecam_create(struct device *dev,
struct resource *cfgres, struct resource *busr,
- struct pci_ecam_ops *ops)
+ const struct pci_ecam_ops *ops)
{
struct pci_config_window *cfg;
unsigned int bus_range, bus_range_max, bsz;
@@ -101,6 +101,7 @@
pci_ecam_free(cfg);
return ERR_PTR(err);
}
+EXPORT_SYMBOL_GPL(pci_ecam_create);
void pci_ecam_free(struct pci_config_window *cfg)
{
@@ -121,6 +122,7 @@
release_resource(&cfg->res);
kfree(cfg);
}
+EXPORT_SYMBOL_GPL(pci_ecam_free);
/*
* Function to implement the pci_ops ->map_bus method
@@ -143,9 +145,10 @@
base = cfg->win + (busn << cfg->ops->bus_shift);
return base + (devfn << devfn_shift) + where;
}
+EXPORT_SYMBOL_GPL(pci_ecam_map_bus);
/* ECAM ops */
-struct pci_ecam_ops pci_generic_ecam_ops = {
+const struct pci_ecam_ops pci_generic_ecam_ops = {
.bus_shift = 20,
.pci_ops = {
.map_bus = pci_ecam_map_bus,
@@ -153,10 +156,11 @@
.write = pci_generic_config_write,
}
};
+EXPORT_SYMBOL_GPL(pci_generic_ecam_ops);
#if defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS)
/* ECAM ops for 32-bit access only (non-compliant) */
-struct pci_ecam_ops pci_32b_ops = {
+const struct pci_ecam_ops pci_32b_ops = {
.bus_shift = 20,
.pci_ops = {
.map_bus = pci_ecam_map_bus,
@@ -164,4 +168,14 @@
.write = pci_generic_config_write32,
}
};
+
+/* ECAM ops for 32-bit read only (non-compliant) */
+const struct pci_ecam_ops pci_32b_read_ops = {
+ .bus_shift = 20,
+ .pci_ops = {
+ .map_bus = pci_ecam_map_bus,
+ .read = pci_generic_config_read32,
+ .write = pci_generic_config_write,
+ }
+};
#endif
--
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