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Commit 8c57786a authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by Jesse Barnes
Browse files

x86/PCI: MMCONFIG: clean up printks 



No functional change; just tidy up printks and make them more consistent
with the rest of PCI.

Reviewed-by: default avatarYinghai Lu <yinghai@kernel.org>
Signed-off-by: default avatarBjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
parent ba2afbab

arch/x86/pci/mmconfig-shared.c

+21 −25
Original line number Diff line number Diff line
@@ -90,6 +90,10 @@ static __init struct pci_mmcfg_region *pci_mmconfig_add(int segment, int start, 
		 "PCI MMCONFIG %04x [bus %02x-%02x]", segment, start, end);

	res->name = new->name;



	printk(KERN_INFO PREFIX "MMCONFIG for domain %04x [bus %02x-%02x] at "

	       "%pR (base %#lx)\n", segment, start, end, &new->res,

	       (unsigned long) addr);



	return new;

}
@@ -333,7 +337,7 @@ static int __init pci_mmcfg_check_hostbridge(void) 
			name = pci_mmcfg_probes[i].probe();



		if (name)

			printk(KERN_INFO "PCI: Found %s with MMCONFIG support.\n",

			printk(KERN_INFO PREFIX "%s with MMCONFIG support\n",

			       name);

	}
@@ -425,7 +429,7 @@ static int __init is_acpi_reserved(u64 start, u64 end, unsigned not_used) 
typedef int (*check_reserved_t)(u64 start, u64 end, unsigned type);



static int __init is_mmconf_reserved(check_reserved_t is_reserved,

		int i, struct pci_mmcfg_region *cfg, int with_e820)

				    struct pci_mmcfg_region *cfg, int with_e820)

{

	u64 addr = cfg->res.start;

	u64 size = resource_size(&cfg->res);
@@ -439,9 +443,9 @@ static int __init is_mmconf_reserved(check_reserved_t is_reserved, 
	}



	if (size >= (16UL<<20) || size == old_size) {

		printk(KERN_NOTICE

		       "PCI: MCFG area at %Lx reserved in %s\n",

			addr, with_e820?"E820":"ACPI motherboard resources");

		printk(KERN_INFO PREFIX "MMCONFIG at %pR reserved in %s\n",

		       &cfg->res,

		       with_e820 ? "E820" : "ACPI motherboard resources");

		valid = 1;



		if (old_size != size) {
@@ -453,11 +457,11 @@ static int __init is_mmconf_reserved(check_reserved_t is_reserved, 
			snprintf(cfg->name, PCI_MMCFG_RESOURCE_NAME_LEN,

				 "PCI MMCONFIG %04x [bus %02x-%02x]",

				 cfg->segment, cfg->start_bus, cfg->end_bus);

			printk(KERN_NOTICE "PCI: updated MCFG configuration %d: base %lx "

			       "segment %hu buses %u - %u\n",

			       i, (unsigned long)cfg->address, cfg->segment,

			       (unsigned int)cfg->start_bus,

			       (unsigned int)cfg->end_bus);

			printk(KERN_INFO PREFIX

			       "MMCONFIG for %04x [bus%02x-%02x] "

			       "at %pR (base %#lx) (size reduced!)\n",

			       cfg->segment, cfg->start_bus, cfg->end_bus,

			       &cfg->res, (unsigned long) cfg->address);

		}

	}
@@ -467,33 +471,25 @@ static int __init is_mmconf_reserved(check_reserved_t is_reserved, 
static void __init pci_mmcfg_reject_broken(int early)

{

	struct pci_mmcfg_region *cfg;

	int i;



	list_for_each_entry(cfg, &pci_mmcfg_list, list) {

		int valid = 0;



		printk(KERN_NOTICE "PCI: MCFG configuration %d: base %lx "

		       "segment %hu buses %u - %u\n",

		       i, (unsigned long)cfg->address, cfg->segment,

		       (unsigned int)cfg->start_bus,

		       (unsigned int)cfg->end_bus);

		i++;



		if (!early && !acpi_disabled)

			valid = is_mmconf_reserved(is_acpi_reserved, i, cfg, 0);

			valid = is_mmconf_reserved(is_acpi_reserved, cfg, 0);



		if (valid)

			continue;



		if (!early)

			printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %Lx is not"

			       " reserved in ACPI motherboard resources\n",

			       cfg->address);

			printk(KERN_ERR FW_BUG PREFIX

			       "MMCONFIG at %pR not reserved in "

			       "ACPI motherboard resources\n", &cfg->res);



		/* Don't try to do this check unless configuration

		   type 1 is available. how about type 2 ?*/

		if (raw_pci_ops)

			valid = is_mmconf_reserved(e820_all_mapped, i, cfg, 1);

			valid = is_mmconf_reserved(e820_all_mapped, cfg, 1);



		if (!valid)

			goto reject;
@@ -502,7 +498,7 @@ static void __init pci_mmcfg_reject_broken(int early) 
	return;



reject:

	printk(KERN_INFO "PCI: Not using MMCONFIG.\n");

	printk(KERN_INFO PREFIX "not using MMCONFIG\n");

	free_all_mmcfg();

}
@@ -525,7 +521,7 @@ static int __init acpi_mcfg_check_entry(struct acpi_table_mcfg *mcfg, 
			return 0;

	}



	printk(KERN_ERR PREFIX "MCFG region for %04x:%02x-%02x at %#llx "

	printk(KERN_ERR PREFIX "MCFG region for %04x [bus %02x-%02x] at %#llx "

	       "is above 4GB, ignored\n", cfg->pci_segment,

	       cfg->start_bus_number, cfg->end_bus_number, cfg->address);

	return -EINVAL;

arch/x86/pci/mmconfig_64.c

+5 −7
Original line number Diff line number Diff line
@@ -12,6 +12,8 @@ 
#include <asm/e820.h>

#include <asm/pci_x86.h>



#define PREFIX "PCI: "



static char __iomem *get_virt(unsigned int seg, unsigned bus)

{

	struct pci_mmcfg_region *cfg;
@@ -109,11 +111,8 @@ static void __iomem * __init mcfg_ioremap(struct pci_mmcfg_region *cfg) 
	num_buses = cfg->end_bus - cfg->start_bus + 1;

	size = PCI_MMCFG_BUS_OFFSET(num_buses);

	addr = ioremap_nocache(start, size);

	if (addr) {

		printk(KERN_INFO "PCI: Using MMCONFIG at %Lx - %Lx\n",

		       start, start + size - 1);

	if (addr)

		addr -= PCI_MMCFG_BUS_OFFSET(cfg->start_bus);

	}

	return addr;

}
@@ -124,9 +123,8 @@ int __init pci_mmcfg_arch_init(void) 
	list_for_each_entry(cfg, &pci_mmcfg_list, list) {

		cfg->virt = mcfg_ioremap(cfg);

		if (!cfg->virt) {

			printk(KERN_ERR "PCI: Cannot map mmconfig aperture for "

					"segment %d\n",

				cfg->segment);

			printk(KERN_ERR PREFIX "can't map MMCONFIG at %pR\n",

			       &cfg->res);

			pci_mmcfg_arch_free();

			return 0;

		}