Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2bc808a8c4821a8ef4e3dc35b8fc577a9d2c6f0d
Commit:     2bc808a8c4821a8ef4e3dc35b8fc577a9d2c6f0d
Parent:     adb005818b71e9476581a1de5742e2f427ac9e2b
Author:     Henrique de Moraes Holschuh <[EMAIL PROTECTED]>
AuthorDate: Wed Feb 21 13:05:38 2007 -0200
Committer:  Henrique de Moraes Holschuh <[EMAIL PROTECTED]>
CommitDate: Thu Feb 22 16:09:25 2007 -0200

    ACPI: ibm-acpi: make ibm-acpi bay support optional
    
    Make ibm-acpi bay support optional at kernel compile time.
    
    Signed-off-by: Henrique de Moraes Holschuh <[EMAIL PROTECTED]>
---
 drivers/acpi/Kconfig    |   11 +++++++++++
 drivers/acpi/ibm_acpi.c |   12 ++++++++++++
 2 files changed, 23 insertions(+), 0 deletions(-)

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index e942ffe..ee3dcd1 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -242,6 +242,17 @@ config ACPI_IBM_DOCK
 
          If you are not sure, say N here.
 
+config ACPI_IBM_BAY
+       bool "Legacy Removable Bay Support"
+       depends on ACPI_IBM
+       default y
+       ---help---
+         Allows the ibm_acpi driver to handle removable bays.  It will allow
+         disabling the device in the bay, and also generate notifications when
+         the bay lever is ejected or inserted.
+
+         If you are not sure, say Y here.
+
 config ACPI_TOSHIBA
        tristate "Toshiba Laptop Extras"
        depends on X86
diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c
index 7c1b418..e7309a6 100644
--- a/drivers/acpi/ibm_acpi.c
+++ b/drivers/acpi/ibm_acpi.c
@@ -157,6 +157,7 @@ IBM_HANDLE(dock, root, "\\_SB.GDCK",        /* X30, X31, 
X40 */
           "\\_SB.PCI.ISA.SLCE",        /* 570 */
     );                         /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */
 #endif
+#ifdef CONFIG_ACPI_IBM_BAY
 IBM_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST",       /* 570 */
           "\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */
           "\\_SB.PCI0.SATA.SCND.MSTR", /* T60, X60, Z60 */ 
@@ -174,6 +175,7 @@ IBM_HANDLE(bay2, root, "\\_SB.PCI0.IDE0.PRIM.SLAV", /* A3x, 
R32 */
 IBM_HANDLE(bay2_ej, bay2, "_EJ3",      /* 600e/x, 770e, A3x */
           "_EJ0",              /* 770x */
     );                         /* all others */
+#endif /* CONFIG_ACPI_IBM_BAY */
 
 /* don't list other alternatives as we install a notify handler on the 570 */
 IBM_HANDLE(pci, root, "\\_SB.PCI");    /* 570 */
@@ -1044,6 +1046,7 @@ static int light_write(char *buf)
        return 0;
 }
 
+#if defined(CONFIG_ACPI_IBM_DOCK) || defined(CONFIG_ACPI_IBM_BAY)
 static int _sta(acpi_handle handle)
 {
        int status;
@@ -1053,6 +1056,7 @@ static int _sta(acpi_handle handle)
 
        return status;
 }
+#endif
 
 #ifdef CONFIG_ACPI_IBM_DOCK
 #define dock_docked() (_sta(dock_handle) & 1)
@@ -1119,6 +1123,7 @@ static void dock_notify(struct ibm_struct *ibm, u32 event)
 }
 #endif
 
+#ifdef CONFIG_ACPI_IBM_BAY
 static int bay_status_supported;
 static int bay_status2_supported;
 static int bay_eject_supported;
@@ -1194,6 +1199,7 @@ static void bay_notify(struct ibm_struct *ibm, u32 event)
 {
        acpi_bus_generate_event(ibm->device, event, 0);
 }
+#endif /* CONFIG_ACPI_IBM_BAY */
 
 static int cmos_read(char *p)
 {
@@ -2361,6 +2367,7 @@ static struct ibm_struct ibms[] = {
         .type = ACPI_SYSTEM_NOTIFY,
         },
 #endif
+#ifdef CONFIG_ACPI_IBM_BAY
        {
         .name = "bay",
         .init = bay_init,
@@ -2370,6 +2377,7 @@ static struct ibm_struct ibms[] = {
         .handle = &bay_handle,
         .type = ACPI_SYSTEM_NOTIFY,
         },
+#endif /* CONFIG_ACPI_IBM_BAY */
        {
         .name = "cmos",
         .read = cmos_read,
@@ -2655,7 +2663,9 @@ IBM_PARAM(light);
 #ifdef CONFIG_ACPI_IBM_DOCK
 IBM_PARAM(dock);
 #endif
+#ifdef CONFIG_ACPI_IBM_BAY
 IBM_PARAM(bay);
+#endif /* CONFIG_ACPI_IBM_BAY */
 IBM_PARAM(cmos);
 IBM_PARAM(led);
 IBM_PARAM(beep);
@@ -2731,12 +2741,14 @@ static int __init acpi_ibm_init(void)
        IBM_HANDLE_INIT(dock);
 #endif
        IBM_HANDLE_INIT(pci);
+#ifdef CONFIG_ACPI_IBM_BAY
        IBM_HANDLE_INIT(bay);
        if (bay_handle)
                IBM_HANDLE_INIT(bay_ej);
        IBM_HANDLE_INIT(bay2);
        if (bay2_handle)
                IBM_HANDLE_INIT(bay2_ej);
+#endif /* CONFIG_ACPI_IBM_BAY */
        IBM_HANDLE_INIT(beep);
        IBM_HANDLE_INIT(ecrd);
        IBM_HANDLE_INIT(ecwr);
-
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