Arthur Heymans has uploaded this change for review.

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mb/lenovo/*: Remove useless smihandler code

This code to handle the brightness from SMM is copied from the Lenovo
Thinkpad X60 code, but does not work on later generation. The PCI
device it tries to address does not even exist on those devices.

Change-Id: Ia959eb5b747846048396e66d4c926c96c27f3878
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
---
M src/mainboard/lenovo/t420s/smihandler.c
M src/mainboard/lenovo/t430s/smihandler.c
M src/mainboard/lenovo/t520/smihandler.c
M src/mainboard/lenovo/t530/smihandler.c
M src/mainboard/lenovo/x220/smihandler.c
5 files changed, 0 insertions(+), 150 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/38/33138/1
diff --git a/src/mainboard/lenovo/t420s/smihandler.c b/src/mainboard/lenovo/t420s/smihandler.c
index be4228d..2713725 100644
--- a/src/mainboard/lenovo/t420s/smihandler.c
+++ b/src/mainboard/lenovo/t420s/smihandler.c
@@ -27,23 +27,6 @@
#define GPE_EC_SCI 1
#define GPE_EC_WAKE 13

-static void mainboard_smi_brightness_up(void)
-{
- u8 value;
-
- if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) < 0xf0)
- pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf);
-}
-
-static void mainboard_smi_brightness_down(void)
-{
- u8 value;
-
- if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) > 0x10)
- pci_write_config8(PCI_DEV(0, 2, 1), 0xf4,
- (value - 0x10) & 0xf0);
-}
-
static void mainboard_smi_handle_ec_sci(void)
{
u8 status = inb(EC_SC);
@@ -54,19 +37,6 @@

event = ec_query();
printk(BIOS_DEBUG, "EC event %02x\n", event);
-
- switch (event) {
- case 0x14:
- /* brightness up */
- mainboard_smi_brightness_up();
- break;
- case 0x15:
- /* brightness down */
- mainboard_smi_brightness_down();
- break;
- default:
- break;
- }
}

void mainboard_smi_gpi(u32 gpi_sts)
diff --git a/src/mainboard/lenovo/t430s/smihandler.c b/src/mainboard/lenovo/t430s/smihandler.c
index 876d81c..2810e5a 100644
--- a/src/mainboard/lenovo/t430s/smihandler.c
+++ b/src/mainboard/lenovo/t430s/smihandler.c
@@ -27,23 +27,6 @@
#define GPE_EC_SCI 1
#define GPE_EC_WAKE 13

-static void mainboard_smi_brightness_up(void)
-{
- u8 value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4);
-
- if (value < 0xf0)
- pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf);
-}
-
-static void mainboard_smi_brightness_down(void)
-{
- u8 value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4);
-
- if (value > 0x10)
- pci_write_config8(PCI_DEV(0, 2, 1), 0xf4,
- (value - 0x10) & 0xf0);
-}
-
static void mainboard_smi_handle_ec_sci(void)
{
u8 status = inb(EC_SC);
@@ -54,19 +37,6 @@

event = ec_query();
printk(BIOS_DEBUG, "EC event %02x\n", event);
-
- switch (event) {
- case 0x14:
- /* brightness up */
- mainboard_smi_brightness_up();
- break;
- case 0x15:
- /* brightness down */
- mainboard_smi_brightness_down();
- break;
- default:
- break;
- }
}

void mainboard_smi_gpi(u32 gpi_sts)
diff --git a/src/mainboard/lenovo/t520/smihandler.c b/src/mainboard/lenovo/t520/smihandler.c
index 88ce504..46ad664 100644
--- a/src/mainboard/lenovo/t520/smihandler.c
+++ b/src/mainboard/lenovo/t520/smihandler.c
@@ -27,23 +27,6 @@
#define GPE_EC_SCI 1
#define GPE_EC_WAKE 13

-static void mainboard_smi_brightness_up(void)
-{
- u8 value;
-
- if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) < 0xf0)
- pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf);
-}
-
-static void mainboard_smi_brightness_down(void)
-{
- u8 value;
-
- if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) > 0x10)
- pci_write_config8(PCI_DEV(0, 2, 1), 0xf4,
- (value - 0x10) & 0xf0);
-}
-
static void mainboard_smi_handle_ec_sci(void)
{
u8 status = inb(EC_SC);
@@ -54,19 +37,6 @@

event = ec_query();
printk(BIOS_DEBUG, "EC event %02x\n", event);
-
- switch (event) {
- case 0x14:
- /* brightness up */
- mainboard_smi_brightness_up();
- break;
- case 0x15:
- /* brightness down */
- mainboard_smi_brightness_down();
- break;
- default:
- break;
- }
}

void mainboard_smi_gpi(u32 gpi_sts)
diff --git a/src/mainboard/lenovo/t530/smihandler.c b/src/mainboard/lenovo/t530/smihandler.c
index bf0f81f..46ad664 100644
--- a/src/mainboard/lenovo/t530/smihandler.c
+++ b/src/mainboard/lenovo/t530/smihandler.c
@@ -27,23 +27,6 @@
#define GPE_EC_SCI 1
#define GPE_EC_WAKE 13

-static void mainboard_smi_brightness_up(void)
-{
- u8 value;
-
- if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) < 0xf0)
- pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf);
-}
-
-static void mainboard_smi_brightness_down(void)
-{
- u8 value;
-
- if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) > 0x10)
- pci_write_config8(PCI_DEV(0, 2, 1), 0xf4,
- (value - 0x10) & 0xf0);
-}
-
static void mainboard_smi_handle_ec_sci(void)
{
u8 status = inb(EC_SC);
@@ -54,19 +37,6 @@

event = ec_query();
printk(BIOS_DEBUG, "EC event %02x\n", event);
-
- switch (event) {
- case 0x14:
- /* brightness up */
- mainboard_smi_brightness_up();
- break;
- case 0x15:
- /* brightness down */
- mainboard_smi_brightness_down();
- break;
- default:
- break;
- }
}

void mainboard_smi_gpi(u32 gpi_sts)
diff --git a/src/mainboard/lenovo/x220/smihandler.c b/src/mainboard/lenovo/x220/smihandler.c
index bf0f81f..46ad664 100644
--- a/src/mainboard/lenovo/x220/smihandler.c
+++ b/src/mainboard/lenovo/x220/smihandler.c
@@ -27,23 +27,6 @@
#define GPE_EC_SCI 1
#define GPE_EC_WAKE 13

-static void mainboard_smi_brightness_up(void)
-{
- u8 value;
-
- if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) < 0xf0)
- pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf);
-}
-
-static void mainboard_smi_brightness_down(void)
-{
- u8 value;
-
- if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) > 0x10)
- pci_write_config8(PCI_DEV(0, 2, 1), 0xf4,
- (value - 0x10) & 0xf0);
-}
-
static void mainboard_smi_handle_ec_sci(void)
{
u8 status = inb(EC_SC);
@@ -54,19 +37,6 @@

event = ec_query();
printk(BIOS_DEBUG, "EC event %02x\n", event);
-
- switch (event) {
- case 0x14:
- /* brightness up */
- mainboard_smi_brightness_up();
- break;
- case 0x15:
- /* brightness down */
- mainboard_smi_brightness_down();
- break;
- default:
- break;
- }
}

void mainboard_smi_gpi(u32 gpi_sts)

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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Change-Id: Ia959eb5b747846048396e66d4c926c96c27f3878
Gerrit-Change-Number: 33138
Gerrit-PatchSet: 1
Gerrit-Owner: Arthur Heymans <arthur@aheymans.xyz>
Gerrit-MessageType: newchange