summaryrefslogtreecommitdiff
path: root/drivers/pci
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/Makefile1
-rw-r--r--drivers/pci/intel-iommu.c2
-rw-r--r--drivers/pci/pci-driver.c4
-rw-r--r--drivers/pci/pci.c8
-rw-r--r--drivers/pci/pci.h2
-rw-r--r--drivers/pci/probe.c2
-rw-r--r--drivers/pci/quirks.c25
-rw-r--r--drivers/pci/setup-bus.c15
8 files changed, 53 insertions, 6 deletions
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index f27f4a1488a1..631f73027608 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -51,6 +51,7 @@ obj-$(CONFIG_X86_VISWS) += setup-irq.o
obj-$(CONFIG_MN10300) += setup-bus.o
obj-$(CONFIG_MICROBLAZE) += setup-bus.o
obj-$(CONFIG_TILE) += setup-bus.o setup-irq.o
+obj-$(CONFIG_SPARC_LEON) += setup-bus.o setup-irq.o
#
# ACPI Related PCI FW Functions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 59f17acf7f68..f02c34d26d1b 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -3388,7 +3388,7 @@ static void __init init_iommu_pm_ops(void)
}
#else
-static inline int init_iommu_pm_ops(void) { }
+static inline void init_iommu_pm_ops(void) {}
#endif /* CONFIG_PM */
/*
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 135df164a4c1..46767c53917a 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -624,7 +624,7 @@ static int pci_pm_prepare(struct device *dev)
* system from the sleep state, we'll have to prevent it from signaling
* wake-up.
*/
- pm_runtime_resume(dev);
+ pm_runtime_get_sync(dev);
if (drv && drv->pm && drv->pm->prepare)
error = drv->pm->prepare(dev);
@@ -638,6 +638,8 @@ static void pci_pm_complete(struct device *dev)
if (drv && drv->pm && drv->pm->complete)
drv->pm->complete(dev);
+
+ pm_runtime_put_sync(dev);
}
#else /* !CONFIG_PM_SLEEP */
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 56098b3e17c0..692671b11667 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3271,11 +3271,11 @@ void __init pci_register_set_vga_state(arch_set_vga_state_t func)
}
static int pci_set_vga_state_arch(struct pci_dev *dev, bool decode,
- unsigned int command_bits, bool change_bridge)
+ unsigned int command_bits, u32 flags)
{
if (arch_set_vga_state)
return arch_set_vga_state(dev, decode, command_bits,
- change_bridge);
+ flags);
return 0;
}
@@ -3284,7 +3284,7 @@ static int pci_set_vga_state_arch(struct pci_dev *dev, bool decode,
* @dev: the PCI device
* @decode: true = enable decoding, false = disable decoding
* @command_bits: PCI_COMMAND_IO and/or PCI_COMMAND_MEMORY
- * @change_bridge_flags: traverse ancestors and change bridges
+ * @flags: traverse ancestors and change bridges
* CHANGE_BRIDGE_ONLY / CHANGE_BRIDGE
*/
int pci_set_vga_state(struct pci_dev *dev, bool decode,
@@ -3483,6 +3483,8 @@ static int __init pci_setup(char *str)
pci_no_msi();
} else if (!strcmp(str, "noaer")) {
pci_no_aer();
+ } else if (!strncmp(str, "realloc", 7)) {
+ pci_realloc();
} else if (!strcmp(str, "nodomains")) {
pci_no_domains();
} else if (!strncmp(str, "cbiosize=", 9)) {
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 731e20265ace..3a39bf1f1e2c 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -146,6 +146,8 @@ static inline void pci_no_msi(void) { }
static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { }
#endif
+extern void pci_realloc(void);
+
static inline int pci_no_d1d2(struct pci_dev *dev)
{
unsigned int parent_dstates = 0;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index c28c7b91910e..9ab492f21f86 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -169,7 +169,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
res->flags |= pci_calc_resource_flags(l) | IORESOURCE_SIZEALIGN;
if (type == pci_bar_io) {
l &= PCI_BASE_ADDRESS_IO_MASK;
- mask = PCI_BASE_ADDRESS_IO_MASK & IO_SPACE_LIMIT;
+ mask = PCI_BASE_ADDRESS_IO_MASK & (u32) IO_SPACE_LIMIT;
} else {
l &= PCI_BASE_ADDRESS_MEM_MASK;
mask = (u32)PCI_BASE_ADDRESS_MEM_MASK;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e8a140669f90..1196f61a4ab6 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2758,9 +2758,34 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev)
dev_notice(&dev->dev, "proprietary Ricoh MMC controller disabled (via firewire function)\n");
dev_notice(&dev->dev, "MMC cards are now supported by standard SDHCI controller\n");
+
+ /*
+ * RICOH 0xe823 SD/MMC card reader fails to recognize
+ * certain types of SD/MMC cards. Lowering the SD base
+ * clock frequency from 200Mhz to 50Mhz fixes this issue.
+ *
+ * 0x150 - SD2.0 mode enable for changing base clock
+ * frequency to 50Mhz
+ * 0xe1 - Base clock frequency
+ * 0x32 - 50Mhz new clock frequency
+ * 0xf9 - Key register for 0x150
+ * 0xfc - key register for 0xe1
+ */
+ if (dev->device == PCI_DEVICE_ID_RICOH_R5CE823) {
+ pci_write_config_byte(dev, 0xf9, 0xfc);
+ pci_write_config_byte(dev, 0x150, 0x10);
+ pci_write_config_byte(dev, 0xf9, 0x00);
+ pci_write_config_byte(dev, 0xfc, 0x01);
+ pci_write_config_byte(dev, 0xe1, 0x32);
+ pci_write_config_byte(dev, 0xfc, 0x00);
+
+ dev_notice(&dev->dev, "MMC controller base frequency changed to 50Mhz.\n");
+ }
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832);
DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE823, ricoh_mmc_fixup_r5c832);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE823, ricoh_mmc_fixup_r5c832);
#endif /*CONFIG_MMC_RICOH_MMC*/
#if defined(CONFIG_DMAR) || defined(CONFIG_INTR_REMAP)
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 1e9e5a5b8c81..9995842e45b5 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -47,6 +47,13 @@ struct resource_list_x {
(head)->next = NULL; \
} while (0)
+int pci_realloc_enable = 0;
+#define pci_realloc_enabled() pci_realloc_enable
+void pci_realloc(void)
+{
+ pci_realloc_enable = 1;
+}
+
/**
* add_to_list() - add a new resource tracker to the list
* @head: Head of the list
@@ -1025,6 +1032,7 @@ static int __init pci_get_max_depth(void)
return depth;
}
+
/*
* first try will not touch pci bridge res
* second and later try will clear small leaf bridge res
@@ -1068,6 +1076,13 @@ again:
/* any device complain? */
if (!head.next)
goto enable_and_dump;
+
+ /* don't realloc if asked to do so */
+ if (!pci_realloc_enabled()) {
+ free_list(resource_list_x, &head);
+ goto enable_and_dump;
+ }
+
failed_type = 0;
for (list = head.next; list;) {
failed_type |= list->flags;
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-01 05:37:42 +0000