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| author | Sinan Kaya <okaya@codeaurora.org> | 2018-06-05 04:16:09 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <helgaas@kernel.org> | 2018-06-30 03:06:07 +0200 |
| commit | 11eb0e0e8dea8b97cff972b09cf6fb033b729dff (patch) | |
| tree | 84ca9d5c2ae77c4bb21984c68469b75c37eb80ad /arch/x86/pci | |
| parent | PCI: Cleanup PCI_REBAR_CTRL_BAR_SHIFT handling (diff) | |
| download | linux-11eb0e0e8dea8b97cff972b09cf6fb033b729dff.tar.xz linux-11eb0e0e8dea8b97cff972b09cf6fb033b729dff.zip | |
PCI: Make early dump functionality generic
Move early dump functionality into common code so that it is available for
all architectures. No need to carry arch-specific reads around as the read
hooks are already initialized by the time pci_setup_device() is getting
called during scan.
Tested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Diffstat (limited to 'arch/x86/pci')
| -rw-r--r-- | arch/x86/pci/common.c | 4 | ||||
| -rw-r--r-- | arch/x86/pci/early.c | 44 |
2 files changed, 0 insertions, 48 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 563049c483a1..d4ec117c1142 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -22,7 +22,6 @@ unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 | PCI_PROBE_MMCONF; -unsigned int pci_early_dump_regs; static int pci_bf_sort; int pci_routeirq; int noioapicquirk; @@ -599,9 +598,6 @@ char *__init pcibios_setup(char *str) pci_probe |= PCI_BIG_ROOT_WINDOW; return NULL; #endif - } else if (!strcmp(str, "earlydump")) { - pci_early_dump_regs = 1; - return NULL; } else if (!strcmp(str, "routeirq")) { pci_routeirq = 1; return NULL; diff --git a/arch/x86/pci/early.c b/arch/x86/pci/early.c index e5f753cbb1c3..f5fc953e5848 100644 --- a/arch/x86/pci/early.c +++ b/arch/x86/pci/early.c @@ -57,47 +57,3 @@ int early_pci_allowed(void) PCI_PROBE_CONF1; } -void early_dump_pci_device(u8 bus, u8 slot, u8 func) -{ - u32 value[256 / 4]; - int i; - - pr_info("pci 0000:%02x:%02x.%d config space:\n", bus, slot, func); - - for (i = 0; i < 256; i += 4) - value[i / 4] = read_pci_config(bus, slot, func, i); - - print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, value, 256, false); -} - -void early_dump_pci_devices(void) -{ - unsigned bus, slot, func; - - if (!early_pci_allowed()) - return; - - for (bus = 0; bus < 256; bus++) { - for (slot = 0; slot < 32; slot++) { - for (func = 0; func < 8; func++) { - u32 class; - u8 type; - - class = read_pci_config(bus, slot, func, - PCI_CLASS_REVISION); - if (class == 0xffffffff) - continue; - - early_dump_pci_device(bus, slot, func); - - if (func == 0) { - type = read_pci_config_byte(bus, slot, - func, - PCI_HEADER_TYPE); - if (!(type & 0x80)) - break; - } - } - } - } -} |