pandora: update defconfig

[pandora-kernel.git] / drivers / sfi / sfi_acpi.c

diff --git a/drivers/sfi/sfi_acpi.c b/drivers/sfi/sfi_acpi.c
index 34aba30..f5b4ca5 100644 (file)
--- a/drivers/sfi/sfi_acpi.c
+++ b/drivers/sfi/sfi_acpi.c
@@ -173,3 +173,44 @@ int sfi_acpi_table_parse(char *signature, char *oem_id, char *oem_table_id,
        sfi_acpi_put_table(table);
        return ret;
 }
+
+static ssize_t sfi_acpi_table_show(struct file *filp, struct kobject *kobj,
+                              struct bin_attribute *bin_attr, char *buf,
+                              loff_t offset, size_t count)
+{
+       struct sfi_table_attr *tbl_attr =
+           container_of(bin_attr, struct sfi_table_attr, attr);
+       struct acpi_table_header *th = NULL;
+       struct sfi_table_key key;
+       ssize_t cnt;
+
+       key.sig = tbl_attr->name;
+       key.oem_id = NULL;
+       key.oem_table_id = NULL;
+
+       th = sfi_acpi_get_table(&key);
+       if (!th)
+               return 0;
+
+       cnt =  memory_read_from_buffer(buf, count, &offset,
+                                       th, th->length);
+       sfi_acpi_put_table(th);
+
+       return cnt;
+}
+
+
+void __init sfi_acpi_sysfs_init(void)
+{
+       u32 tbl_cnt, i;
+       struct sfi_table_attr *tbl_attr;
+
+       tbl_cnt = XSDT_GET_NUM_ENTRIES(xsdt_va, u64);
+       for (i = 0; i < tbl_cnt; i++) {
+               tbl_attr =
+                       sfi_sysfs_install_table(xsdt_va->table_offset_entry[i]);
+               tbl_attr->attr.read = sfi_acpi_table_show;
+       }
+
+       return;
+}