[PATCH 02/14] dell-smbios: don't pass a buffer to dell_send_request()

From: MichaÅ KÄpieÅ
Date: Tue Jan 12 2016 - 09:12:47 EST


Passing a struct calling_interface_buffer pointer to dell_send_request()
is redundant as it should always operate on the buffer exported from the
module.

Signed-off-by: MichaÅ KÄpieÅ <kernel@xxxxxxxxxx>
---
drivers/platform/x86/dell-laptop.c | 42 ++++++++++++++++++------------------
drivers/platform/x86/dell-smbios.c | 4 +---
drivers/platform/x86/dell-smbios.h | 4 +---
3 files changed, 23 insertions(+), 27 deletions(-)

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index d45d356..572bdca 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -418,7 +418,7 @@ static int dell_rfkill_set(void *data, bool blocked)

get_buffer();

- dell_send_request(buffer, 17, 11);
+ dell_send_request(17, 11);
ret = buffer->output[0];
status = buffer->output[1];

@@ -428,7 +428,7 @@ static int dell_rfkill_set(void *data, bool blocked)
clear_buffer();

buffer->input[0] = 0x2;
- dell_send_request(buffer, 17, 11);
+ dell_send_request(17, 11);
ret = buffer->output[0];
hwswitch = buffer->output[1];

@@ -441,7 +441,7 @@ static int dell_rfkill_set(void *data, bool blocked)
clear_buffer();

buffer->input[0] = (1 | (radio<<8) | (disable << 16));
- dell_send_request(buffer, 17, 11);
+ dell_send_request(17, 11);
ret = buffer->output[0];

out:
@@ -458,7 +458,7 @@ static void dell_rfkill_update_sw_state(struct rfkill *rfkill, int radio,
int block = rfkill_blocked(rfkill);
clear_buffer();
buffer->input[0] = (1 | (radio << 8) | (block << 16));
- dell_send_request(buffer, 17, 11);
+ dell_send_request(17, 11);
} else {
/* No hw-switch, sync BIOS state to sw_state */
rfkill_set_sw_state(rfkill, !!(status & BIT(radio + 16)));
@@ -481,7 +481,7 @@ static void dell_rfkill_query(struct rfkill *rfkill, void *data)

get_buffer();

- dell_send_request(buffer, 17, 11);
+ dell_send_request(17, 11);
ret = buffer->output[0];
status = buffer->output[1];

@@ -493,7 +493,7 @@ static void dell_rfkill_query(struct rfkill *rfkill, void *data)
clear_buffer();

buffer->input[0] = 0x2;
- dell_send_request(buffer, 17, 11);
+ dell_send_request(17, 11);
ret = buffer->output[0];
hwswitch = buffer->output[1];

@@ -521,14 +521,14 @@ static int dell_debugfs_show(struct seq_file *s, void *data)

get_buffer();

- dell_send_request(buffer, 17, 11);
+ dell_send_request(17, 11);
ret = buffer->output[0];
status = buffer->output[1];

clear_buffer();

buffer->input[0] = 0x2;
- dell_send_request(buffer, 17, 11);
+ dell_send_request(17, 11);
hwswitch_ret = buffer->output[0];
hwswitch_state = buffer->output[1];

@@ -619,7 +619,7 @@ static void dell_update_rfkill(struct work_struct *ignored)

get_buffer();

- dell_send_request(buffer, 17, 11);
+ dell_send_request(17, 11);
ret = buffer->output[0];
status = buffer->output[1];

@@ -629,7 +629,7 @@ static void dell_update_rfkill(struct work_struct *ignored)
clear_buffer();

buffer->input[0] = 0x2;
- dell_send_request(buffer, 17, 11);
+ dell_send_request(17, 11);
ret = buffer->output[0];

if (ret == 0 && (status & BIT(0)))
@@ -710,7 +710,7 @@ static int __init dell_setup_rfkill(void)
return 0;

get_buffer();
- dell_send_request(buffer, 17, 11);
+ dell_send_request(17, 11);
ret = buffer->output[0];
status = buffer->output[1];
release_buffer();
@@ -878,9 +878,9 @@ static int dell_send_intensity(struct backlight_device *bd)
buffer->input[1] = bd->props.brightness;

if (power_supply_is_system_supplied() > 0)
- dell_send_request(buffer, 1, 2);
+ dell_send_request(1, 2);
else
- dell_send_request(buffer, 1, 1);
+ dell_send_request(1, 1);

ret = dell_smi_error(buffer->output[0]);

@@ -901,9 +901,9 @@ static int dell_get_intensity(struct backlight_device *bd)
buffer->input[0] = token;

if (power_supply_is_system_supplied() > 0)
- dell_send_request(buffer, 0, 2);
+ dell_send_request(0, 2);
else
- dell_send_request(buffer, 0, 1);
+ dell_send_request(0, 1);

if (buffer->output[0])
ret = dell_smi_error(buffer->output[0]);
@@ -1160,7 +1160,7 @@ static int kbd_get_info(struct kbd_info *info)
get_buffer();

buffer->input[0] = 0x0;
- dell_send_request(buffer, 4, 11);
+ dell_send_request(4, 11);
ret = buffer->output[0];

if (ret) {
@@ -1248,7 +1248,7 @@ static int kbd_get_state(struct kbd_state *state)
get_buffer();

buffer->input[0] = 0x1;
- dell_send_request(buffer, 4, 11);
+ dell_send_request(4, 11);
ret = buffer->output[0];

if (ret) {
@@ -1284,7 +1284,7 @@ static int kbd_set_state(struct kbd_state *state)
buffer->input[1] |= (state->timeout_unit & 0x3) << 30;
buffer->input[2] = state->als_setting & 0xFF;
buffer->input[2] |= (state->level & 0xFF) << 16;
- dell_send_request(buffer, 4, 11);
+ dell_send_request(4, 11);
ret = buffer->output[0];
release_buffer();

@@ -1326,7 +1326,7 @@ static int kbd_set_token_bit(u8 bit)
get_buffer();
buffer->input[0] = da_tokens[id].location;
buffer->input[1] = da_tokens[id].value;
- dell_send_request(buffer, 1, 0);
+ dell_send_request(1, 0);
ret = buffer->output[0];
release_buffer();

@@ -1348,7 +1348,7 @@ static int kbd_get_token_bit(u8 bit)

get_buffer();
buffer->input[0] = da_tokens[id].location;
- dell_send_request(buffer, 0, 0);
+ dell_send_request(0, 0);
ret = buffer->output[0];
val = buffer->output[1];
release_buffer();
@@ -2019,7 +2019,7 @@ static int __init dell_init(void)
if (token != -1) {
get_buffer();
buffer->input[0] = token;
- dell_send_request(buffer, 0, 2);
+ dell_send_request(0, 2);
if (buffer->output[0] == 0)
max_intensity = buffer->output[3];
release_buffer();
diff --git a/drivers/platform/x86/dell-smbios.c b/drivers/platform/x86/dell-smbios.c
index 260a32a..758680f 100644
--- a/drivers/platform/x86/dell-smbios.c
+++ b/drivers/platform/x86/dell-smbios.c
@@ -84,9 +84,7 @@ int find_token_location(int tokenid)
}
EXPORT_SYMBOL_GPL(find_token_location);

-struct calling_interface_buffer *
-dell_send_request(struct calling_interface_buffer *buffer, int class,
- int select)
+struct calling_interface_buffer *dell_send_request(int class, int select)
{
struct smi_cmd command;

diff --git a/drivers/platform/x86/dell-smbios.h b/drivers/platform/x86/dell-smbios.h
index 00e03b2..0f58ce8 100644
--- a/drivers/platform/x86/dell-smbios.h
+++ b/drivers/platform/x86/dell-smbios.h
@@ -45,7 +45,5 @@ void release_buffer(void);
int find_token_id(int tokenid);
int find_token_location(int tokenid);

-struct calling_interface_buffer *
-dell_send_request(struct calling_interface_buffer *buffer, int class,
- int select);
+struct calling_interface_buffer *dell_send_request(int class, int select);
#endif
--
1.7.10.4