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Message-Id: <1453472848-3118-7-git-send-email-kernel@kempniu.pl>
Date:	Fri, 22 Jan 2016 15:27:18 +0100
From:	Michał Kępień <kernel@...pniu.pl>
To:	Darren Hart <dvhart@...radead.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Pali Rohár <pali.rohar@...il.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Jacek Anaszewski <j.anaszewski@...sung.com>
Cc:	platform-driver-x86@...r.kernel.org, linux-leds@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 06/16] dell-smbios: don't pass an SMBIOS buffer to dell_smbios_send_request()

Passing an SMBIOS buffer pointer to dell_smbios_send_request() is
redundant as it should always operate on the SMBIOS buffer exported from
the module.

Signed-off-by: Michał Kępień <kernel@...pniu.pl>
---
 drivers/platform/x86/dell-laptop.c |   42 ++++++++++++++++++------------------
 drivers/platform/x86/dell-smbios.c |    3 +--
 drivers/platform/x86/dell-smbios.h |    3 +--
 3 files changed, 23 insertions(+), 25 deletions(-)

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 9210acf..0bb2211 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)
 
 	dell_smbios_get_buffer();
 
-	dell_smbios_send_request(buffer, 17, 11);
+	dell_smbios_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)
 	dell_smbios_clear_buffer();
 
 	buffer->input[0] = 0x2;
-	dell_smbios_send_request(buffer, 17, 11);
+	dell_smbios_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)
 	dell_smbios_clear_buffer();
 
 	buffer->input[0] = (1 | (radio<<8) | (disable << 16));
-	dell_smbios_send_request(buffer, 17, 11);
+	dell_smbios_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);
 		dell_smbios_clear_buffer();
 		buffer->input[0] = (1 | (radio << 8) | (block << 16));
-		dell_smbios_send_request(buffer, 17, 11);
+		dell_smbios_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)
 
 	dell_smbios_get_buffer();
 
-	dell_smbios_send_request(buffer, 17, 11);
+	dell_smbios_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)
 	dell_smbios_clear_buffer();
 
 	buffer->input[0] = 0x2;
-	dell_smbios_send_request(buffer, 17, 11);
+	dell_smbios_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)
 
 	dell_smbios_get_buffer();
 
-	dell_smbios_send_request(buffer, 17, 11);
+	dell_smbios_send_request(17, 11);
 	ret = buffer->output[0];
 	status = buffer->output[1];
 
 	dell_smbios_clear_buffer();
 
 	buffer->input[0] = 0x2;
-	dell_smbios_send_request(buffer, 17, 11);
+	dell_smbios_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)
 
 	dell_smbios_get_buffer();
 
-	dell_smbios_send_request(buffer, 17, 11);
+	dell_smbios_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)
 	dell_smbios_clear_buffer();
 
 	buffer->input[0] = 0x2;
-	dell_smbios_send_request(buffer, 17, 11);
+	dell_smbios_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;
 
 	dell_smbios_get_buffer();
-	dell_smbios_send_request(buffer, 17, 11);
+	dell_smbios_send_request(17, 11);
 	ret = buffer->output[0];
 	status = buffer->output[1];
 	dell_smbios_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_smbios_send_request(buffer, 1, 2);
+		dell_smbios_send_request(1, 2);
 	else
-		dell_smbios_send_request(buffer, 1, 1);
+		dell_smbios_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_smbios_send_request(buffer, 0, 2);
+		dell_smbios_send_request(0, 2);
 	else
-		dell_smbios_send_request(buffer, 0, 1);
+		dell_smbios_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)
 	dell_smbios_get_buffer();
 
 	buffer->input[0] = 0x0;
-	dell_smbios_send_request(buffer, 4, 11);
+	dell_smbios_send_request(4, 11);
 	ret = buffer->output[0];
 
 	if (ret) {
@@ -1248,7 +1248,7 @@ static int kbd_get_state(struct kbd_state *state)
 	dell_smbios_get_buffer();
 
 	buffer->input[0] = 0x1;
-	dell_smbios_send_request(buffer, 4, 11);
+	dell_smbios_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_smbios_send_request(buffer, 4, 11);
+	dell_smbios_send_request(4, 11);
 	ret = buffer->output[0];
 	dell_smbios_release_buffer();
 
@@ -1326,7 +1326,7 @@ static int kbd_set_token_bit(u8 bit)
 	dell_smbios_get_buffer();
 	buffer->input[0] = da_tokens[id].location;
 	buffer->input[1] = da_tokens[id].value;
-	dell_smbios_send_request(buffer, 1, 0);
+	dell_smbios_send_request(1, 0);
 	ret = buffer->output[0];
 	dell_smbios_release_buffer();
 
@@ -1348,7 +1348,7 @@ static int kbd_get_token_bit(u8 bit)
 
 	dell_smbios_get_buffer();
 	buffer->input[0] = da_tokens[id].location;
-	dell_smbios_send_request(buffer, 0, 0);
+	dell_smbios_send_request(0, 0);
 	ret = buffer->output[0];
 	val = buffer->output[1];
 	dell_smbios_release_buffer();
@@ -2019,7 +2019,7 @@ static int __init dell_init(void)
 	if (token != -1) {
 		dell_smbios_get_buffer();
 		buffer->input[0] = token;
-		dell_smbios_send_request(buffer, 0, 2);
+		dell_smbios_send_request(0, 2);
 		if (buffer->output[0] == 0)
 			max_intensity = buffer->output[3];
 		dell_smbios_release_buffer();
diff --git a/drivers/platform/x86/dell-smbios.c b/drivers/platform/x86/dell-smbios.c
index a0c1bde..d573765 100644
--- a/drivers/platform/x86/dell-smbios.c
+++ b/drivers/platform/x86/dell-smbios.c
@@ -60,8 +60,7 @@ void dell_smbios_release_buffer(void)
 EXPORT_SYMBOL_GPL(dell_smbios_release_buffer);
 
 struct calling_interface_buffer *
-dell_smbios_send_request(struct calling_interface_buffer *buffer,
-			 int class, int select)
+dell_smbios_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 33ed971..4220ac1 100644
--- a/drivers/platform/x86/dell-smbios.h
+++ b/drivers/platform/x86/dell-smbios.h
@@ -42,8 +42,7 @@ void dell_smbios_get_buffer(void);
 void dell_smbios_clear_buffer(void);
 void dell_smbios_release_buffer(void);
 struct calling_interface_buffer *
-dell_smbios_send_request(struct calling_interface_buffer *buffer,
-			 int class, int select);
+dell_smbios_send_request(int class, int select);
 
 int find_token_id(int tokenid);
 int find_token_location(int tokenid);
-- 
1.7.10.4

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