diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-08-26 09:20:01 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-26 09:20:01 +0200 |
| commit | 3cb9bc85029f2ceb7a5babadcab445c7cb861da8 (patch) | |
| tree | 6453e9ebb9ad3b3cab07ff31dc9a90ea9f7951bc /drivers/firmware | |
| parent | f1a5b53570001b1bcbf890ac6c4be1db99f8cc28 (diff) | |
| parent | 413d63d71b222108d19703f3fd5cf9108652a730 (diff) | |
Merge branch 'x86/mm' into efi/core, to pick up dependencies
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/dmi-sysfs.c | 5 | ||||
| -rw-r--r-- | drivers/firmware/efi/efi.c | 33 | ||||
| -rw-r--r-- | drivers/firmware/pcdp.c | 4 |
3 files changed, 38 insertions, 4 deletions
diff --git a/drivers/firmware/dmi-sysfs.c b/drivers/firmware/dmi-sysfs.c index ef76e5eecf0b..d5de6ee8466d 100644 --- a/drivers/firmware/dmi-sysfs.c +++ b/drivers/firmware/dmi-sysfs.c @@ -25,6 +25,7 @@ #include <linux/slab.h> #include <linux/list.h> #include <linux/io.h> +#include <asm/dmi.h> #define MAX_ENTRY_TYPE 255 /* Most of these aren't used, but we consider the top entry type is only 8 bits */ @@ -380,7 +381,7 @@ static ssize_t dmi_sel_raw_read_phys32(struct dmi_sysfs_entry *entry, u8 __iomem *mapped; ssize_t wrote = 0; - mapped = ioremap(sel->access_method_address, sel->area_length); + mapped = dmi_remap(sel->access_method_address, sel->area_length); if (!mapped) return -EIO; @@ -390,7 +391,7 @@ static ssize_t dmi_sel_raw_read_phys32(struct dmi_sysfs_entry *entry, wrote++; } - iounmap(mapped); + dmi_unmap(mapped); return wrote; } diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 6519be44387c..a32e1460ade8 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -55,6 +55,25 @@ struct efi __read_mostly efi = { }; EXPORT_SYMBOL(efi); +static unsigned long *efi_tables[] = { + &efi.mps, + &efi.acpi, + &efi.acpi20, + &efi.smbios, + &efi.smbios3, + &efi.sal_systab, + &efi.boot_info, + &efi.hcdp, + &efi.uga, + &efi.uv_systab, + &efi.fw_vendor, + &efi.runtime, + &efi.config_table, + &efi.esrt, + &efi.properties_table, + &efi.mem_attr_table, +}; + static bool disable_runtime; static int __init setup_noefi(char *arg) { @@ -855,6 +874,20 @@ int efi_status_to_err(efi_status_t status) return err; } +bool efi_is_table_address(unsigned long phys_addr) +{ + unsigned int i; + + if (phys_addr == EFI_INVALID_TABLE_ADDR) + return false; + + for (i = 0; i < ARRAY_SIZE(efi_tables); i++) + if (*(efi_tables[i]) == phys_addr) + return true; + + return false; +} + #ifdef CONFIG_KEXEC static int update_efi_random_seed(struct notifier_block *nb, unsigned long code, void *unused) diff --git a/drivers/firmware/pcdp.c b/drivers/firmware/pcdp.c index 75273a251603..e83d6aec0c13 100644 --- a/drivers/firmware/pcdp.c +++ b/drivers/firmware/pcdp.c @@ -95,7 +95,7 @@ efi_setup_pcdp_console(char *cmdline) if (efi.hcdp == EFI_INVALID_TABLE_ADDR) return -ENODEV; - pcdp = early_ioremap(efi.hcdp, 4096); + pcdp = early_memremap(efi.hcdp, 4096); printk(KERN_INFO "PCDP: v%d at 0x%lx\n", pcdp->rev, efi.hcdp); if (strstr(cmdline, "console=hcdp")) { @@ -131,6 +131,6 @@ efi_setup_pcdp_console(char *cmdline) } out: - early_iounmap(pcdp, 4096); + early_memunmap(pcdp, 4096); return rc; } |