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Subject[PATCH v8 06/25] x86/thinkpad_acpi: Use arch_nvram_ops methods instead of nvram_read_byte() and nvram_write_byte()
Date
Make use of arch_nvram_ops in the thinkpad_acpi driver so that the
nvram_* function exports can be removed.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Reviewed-by: Darren Hart <dvhart@linux.intel.com>
---
I've tested this on a ThinkPad T43.
---
drivers/platform/x86/thinkpad_acpi.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index fde08a997557..fbbf7b452e51 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -2435,30 +2435,30 @@ static void hotkey_read_nvram(struct tp_nvram_state *n, const u32 m)
u8 d;

if (m & TP_NVRAM_HKEY_GROUP_HK2) {
- d = nvram_read_byte(TP_NVRAM_ADDR_HK2);
+ d = arch_nvram_ops.read_byte(TP_NVRAM_ADDR_HK2);
n->thinkpad_toggle = !!(d & TP_NVRAM_MASK_HKT_THINKPAD);
n->zoom_toggle = !!(d & TP_NVRAM_MASK_HKT_ZOOM);
n->display_toggle = !!(d & TP_NVRAM_MASK_HKT_DISPLAY);
n->hibernate_toggle = !!(d & TP_NVRAM_MASK_HKT_HIBERNATE);
}
if (m & TP_ACPI_HKEY_KBD_LIGHT_MASK) {
- d = nvram_read_byte(TP_NVRAM_ADDR_THINKLIGHT);
+ d = arch_nvram_ops.read_byte(TP_NVRAM_ADDR_THINKLIGHT);
n->thinklight_toggle = !!(d & TP_NVRAM_MASK_THINKLIGHT);
}
if (m & TP_ACPI_HKEY_DISPXPAND_MASK) {
- d = nvram_read_byte(TP_NVRAM_ADDR_VIDEO);
+ d = arch_nvram_ops.read_byte(TP_NVRAM_ADDR_VIDEO);
n->displayexp_toggle =
!!(d & TP_NVRAM_MASK_HKT_DISPEXPND);
}
if (m & TP_NVRAM_HKEY_GROUP_BRIGHTNESS) {
- d = nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS);
+ d = arch_nvram_ops.read_byte(TP_NVRAM_ADDR_BRIGHTNESS);
n->brightness_level = (d & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
>> TP_NVRAM_POS_LEVEL_BRIGHTNESS;
n->brightness_toggle =
!!(d & TP_NVRAM_MASK_HKT_BRIGHTNESS);
}
if (m & TP_NVRAM_HKEY_GROUP_VOLUME) {
- d = nvram_read_byte(TP_NVRAM_ADDR_MIXER);
+ d = arch_nvram_ops.read_byte(TP_NVRAM_ADDR_MIXER);
n->volume_level = (d & TP_NVRAM_MASK_LEVEL_VOLUME)
>> TP_NVRAM_POS_LEVEL_VOLUME;
n->mute = !!(d & TP_NVRAM_MASK_MUTE);
@@ -6605,7 +6605,7 @@ static unsigned int tpacpi_brightness_nvram_get(void)
{
u8 lnvram;

- lnvram = (nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS)
+ lnvram = (arch_nvram_ops.read_byte(TP_NVRAM_ADDR_BRIGHTNESS)
& TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
>> TP_NVRAM_POS_LEVEL_BRIGHTNESS;
lnvram &= bright_maxlvl;
@@ -6630,7 +6630,7 @@ static void tpacpi_brightness_checkpoint_nvram(void)
if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
goto unlock;
lec &= TP_EC_BACKLIGHT_LVLMSK;
- b_nvram = nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS);
+ b_nvram = arch_nvram_ops.read_byte(TP_NVRAM_ADDR_BRIGHTNESS);

if (lec != ((b_nvram & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
>> TP_NVRAM_POS_LEVEL_BRIGHTNESS)) {
@@ -6638,7 +6638,7 @@ static void tpacpi_brightness_checkpoint_nvram(void)
b_nvram &= ~(TP_NVRAM_MASK_LEVEL_BRIGHTNESS <<
TP_NVRAM_POS_LEVEL_BRIGHTNESS);
b_nvram |= lec;
- nvram_write_byte(b_nvram, TP_NVRAM_ADDR_BRIGHTNESS);
+ arch_nvram_ops.write_byte(b_nvram, TP_NVRAM_ADDR_BRIGHTNESS);
dbg_printk(TPACPI_DBG_BRGHT,
"updated NVRAM backlight level to %u (0x%02x)\n",
(unsigned int) lec, (unsigned int) b_nvram);
@@ -7236,13 +7236,13 @@ static void tpacpi_volume_checkpoint_nvram(void)
if (unlikely(!acpi_ec_read(TP_EC_AUDIO, &lec)))
goto unlock;
lec &= ec_mask;
- b_nvram = nvram_read_byte(TP_NVRAM_ADDR_MIXER);
+ b_nvram = arch_nvram_ops.read_byte(TP_NVRAM_ADDR_MIXER);

if (lec != (b_nvram & ec_mask)) {
/* NVRAM needs update */
b_nvram &= ~ec_mask;
b_nvram |= lec;
- nvram_write_byte(b_nvram, TP_NVRAM_ADDR_MIXER);
+ arch_nvram_ops.write_byte(b_nvram, TP_NVRAM_ADDR_MIXER);
dbg_printk(TPACPI_DBG_MIXER,
"updated NVRAM mixer status to 0x%02x (0x%02x)\n",
(unsigned int) lec, (unsigned int) b_nvram);
--
2.19.2
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