[Xen-changelog] [xen master] arm/gic-v3: Use acpi_table_parse_madt() to parse MADT subtables

[patchbot@xxxxxxx]

commit 7ff488b8d97f53bb69104b1d52ede3d62e7caf45
Author:     Shanker Donthineni <shankerd@xxxxxxxxxxxxxx>
AuthorDate: Mon Jun 27 15:33:33 2016 -0500
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Thu Jul 14 15:05:48 2016 +0100

    arm/gic-v3: Use acpi_table_parse_madt() to parse MADT subtables
    
    The function acpi_table_parse_madt() does the same functionality as
    function acpi_parse_entries() expect it takes a few arguments.
    
    Signed-off-by: Shanker Donthineni <shankerd@xxxxxxxxxxxxxx>
    Reviewed-by: Julien Grall <julien.grall@xxxxxxx>
    Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/arm/gic-v3.c | 27 ++++++---------------------
 1 file changed, 6 insertions(+), 21 deletions(-)

diff --git a/xen/arch/arm/gic-v3.c b/xen/arch/arm/gic-v3.c
index b8a4bde..6b06d35 100644
--- a/xen/arch/arm/gic-v3.c
+++ b/xen/arch/arm/gic-v3.c
@@ -1382,28 +1382,15 @@ gic_acpi_get_madt_redistributor_num(struct 
acpi_subtable_header *header,
 
 static void __init gicv3_acpi_init(void)
 {
-    struct acpi_table_header *table;
     struct rdist_region *rdist_regs;
-    acpi_status status;
     int count, i;
 
-    status = acpi_get_table(ACPI_SIG_MADT, 0, &table);
-
-    if ( ACPI_FAILURE(status) )
-    {
-        const char *msg = acpi_format_exception(status);
-
-        panic("GICv3: Failed to get MADT table, %s", msg);
-    }
-
     /*
      * Find distributor base address. We expect one distributor entry since
      * ACPI 5.0 spec neither support multi-GIC instances nor GIC cascade.
      */
-    count = acpi_parse_entries(ACPI_SIG_MADT, sizeof(struct acpi_table_madt),
-                               gic_acpi_parse_madt_distributor, table,
-                               ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR, 0);
-
+    count = acpi_table_parse_madt(ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR,
+                                  gic_acpi_parse_madt_distributor, 0);
     if ( count <= 0 )
         panic("GICv3: No valid GICD entries exists");
 
@@ -1412,9 +1399,8 @@ static void __init gicv3_acpi_init(void)
               dbase);
 
     /* Get number of redistributor */
-    count = acpi_parse_entries(ACPI_SIG_MADT, sizeof(struct acpi_table_madt),
-                               gic_acpi_get_madt_redistributor_num, table,
-                               ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR, 0);
+    count = acpi_table_parse_madt(ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR,
+                                  gic_acpi_get_madt_redistributor_num, 0);
     if ( count <= 0 )
         panic("GICv3: No valid GICR entries exists");
 
@@ -1447,9 +1433,8 @@ static void __init gicv3_acpi_init(void)
     gicv3.rdist_regions= rdist_regs;
 
     /* Collect CPU base addresses */
-    count = acpi_parse_entries(ACPI_SIG_MADT, sizeof(struct acpi_table_madt),
-                               gic_acpi_parse_madt_cpu, table,
-                               ACPI_MADT_TYPE_GENERIC_INTERRUPT, 0);
+    count = acpi_table_parse_madt(ACPI_MADT_TYPE_GENERIC_INTERRUPT,
+                                  gic_acpi_parse_madt_cpu, 0);
     if ( count <= 0 )
         panic("GICv3: No valid GICC entries exists");
 
--
generated by git-patchbot for /home/xen/git/xen.git#master

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