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Message-Id: <7aaf821bdfa84f6ba1df0c197e6624f40037aff9.1746133676.git.thomas.andreatta2000@gmail.com>
Date: Thu, 1 May 2025 23:30:32 +0200
From: Thomas Andreatta <thomasandreatta2000@...il.com>
To: dpenkler@...il.com
Cc: gregkh@...uxfoundation.org,
linux-kernel@...r.kernel.org,
linux-staging@...ts.linux.dev,
Thomas Andreatta <thomas.andreatta2000@...il.com>
Subject: [PATCH 3/8] Staging: gpib: Updated return type for `request_system_control`
Updated the functions used by request_system_control to return int.
Currently there's no possible return errors in the functions due to them
being former void function, for this reason they all return success (0).
Signed-off-by: Thomas Andreatta <thomas.andreatta2000@...il.com>
---
drivers/staging/gpib/agilent_82350b/agilent_82350b.c | 3 ++-
drivers/staging/gpib/cb7210/cb7210.c | 3 ++-
drivers/staging/gpib/cec/cec_gpib.c | 3 ++-
drivers/staging/gpib/hp_82335/hp82335.c | 3 ++-
drivers/staging/gpib/hp_82341/hp_82341.c | 3 ++-
drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c | 3 ++-
drivers/staging/gpib/pc2/pc2_gpib.c | 3 ++-
drivers/staging/gpib/tnt4882/tnt4882_gpib.c | 3 ++-
8 files changed, 16 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/gpib/agilent_82350b/agilent_82350b.c b/drivers/staging/gpib/agilent_82350b/agilent_82350b.c
index 445b9380ff98..ae60bc674a85 100644
--- a/drivers/staging/gpib/agilent_82350b/agilent_82350b.c
+++ b/drivers/staging/gpib/agilent_82350b/agilent_82350b.c
@@ -339,7 +339,7 @@ static int agilent_82350b_go_to_standby(struct gpib_board *board)
return tms9914_go_to_standby(board, &priv->tms9914_priv);
}
-static void agilent_82350b_request_system_control(struct gpib_board *board,
+static int agilent_82350b_request_system_control(struct gpib_board *board,
int request_control)
{
@@ -356,6 +356,7 @@ static void agilent_82350b_request_system_control(struct gpib_board *board,
}
writeb(a_priv->card_mode_bits, a_priv->gpib_base + CARD_MODE_REG);
tms9914_request_system_control(board, &a_priv->tms9914_priv, request_control);
+ return 0;
}
static void agilent_82350b_interface_clear(struct gpib_board *board, int assert)
diff --git a/drivers/staging/gpib/cb7210/cb7210.c b/drivers/staging/gpib/cb7210/cb7210.c
index 6b22a33a8c4f..367b70fbb52c 100644
--- a/drivers/staging/gpib/cb7210/cb7210.c
+++ b/drivers/staging/gpib/cb7210/cb7210.c
@@ -578,7 +578,7 @@ static int cb7210_go_to_standby(struct gpib_board *board)
return nec7210_go_to_standby(board, &priv->nec7210_priv);
}
-static void cb7210_request_system_control(struct gpib_board *board, int request_control)
+static int cb7210_request_system_control(struct gpib_board *board, int request_control)
{
struct cb7210_priv *priv = board->private_data;
struct nec7210_priv *nec_priv = &priv->nec7210_priv;
@@ -590,6 +590,7 @@ static void cb7210_request_system_control(struct gpib_board *board, int request_
cb7210_write_byte(priv, priv->hs_mode_bits, HS_MODE);
nec7210_request_system_control(board, nec_priv, request_control);
+ return 0;
}
static void cb7210_interface_clear(struct gpib_board *board, int assert)
diff --git a/drivers/staging/gpib/cec/cec_gpib.c b/drivers/staging/gpib/cec/cec_gpib.c
index a822fa428cd0..ae05f5205b2f 100644
--- a/drivers/staging/gpib/cec/cec_gpib.c
+++ b/drivers/staging/gpib/cec/cec_gpib.c
@@ -83,11 +83,12 @@ static int cec_go_to_standby(struct gpib_board *board)
return nec7210_go_to_standby(board, &priv->nec7210_priv);
}
-static void cec_request_system_control(struct gpib_board *board, int request_control)
+static int cec_request_system_control(struct gpib_board *board, int request_control)
{
struct cec_priv *priv = board->private_data;
nec7210_request_system_control(board, &priv->nec7210_priv, request_control);
+ return 0;
}
static void cec_interface_clear(struct gpib_board *board, int assert)
diff --git a/drivers/staging/gpib/hp_82335/hp82335.c b/drivers/staging/gpib/hp_82335/hp82335.c
index fd23b1cb80f9..7a47d61cdb2a 100644
--- a/drivers/staging/gpib/hp_82335/hp82335.c
+++ b/drivers/staging/gpib/hp_82335/hp82335.c
@@ -67,11 +67,12 @@ static int hp82335_go_to_standby(struct gpib_board *board)
return tms9914_go_to_standby(board, &priv->tms9914_priv);
}
-static void hp82335_request_system_control(struct gpib_board *board, int request_control)
+static int hp82335_request_system_control(struct gpib_board *board, int request_control)
{
struct hp82335_priv *priv = board->private_data;
tms9914_request_system_control(board, &priv->tms9914_priv, request_control);
+ return 0;
}
static void hp82335_interface_clear(struct gpib_board *board, int assert)
diff --git a/drivers/staging/gpib/hp_82341/hp_82341.c b/drivers/staging/gpib/hp_82341/hp_82341.c
index f52e673dc869..fad5cca5238a 100644
--- a/drivers/staging/gpib/hp_82341/hp_82341.c
+++ b/drivers/staging/gpib/hp_82341/hp_82341.c
@@ -293,7 +293,7 @@ static int hp_82341_go_to_standby(struct gpib_board *board)
return tms9914_go_to_standby(board, &priv->tms9914_priv);
}
-static void hp_82341_request_system_control(struct gpib_board *board, int request_control)
+static int hp_82341_request_system_control(struct gpib_board *board, int request_control)
{
struct hp_82341_priv *priv = board->private_data;
@@ -303,6 +303,7 @@ static void hp_82341_request_system_control(struct gpib_board *board, int reques
priv->mode_control_bits &= ~SYSTEM_CONTROLLER_BIT;
outb(priv->mode_control_bits, priv->iobase[0] + MODE_CONTROL_STATUS_REG);
tms9914_request_system_control(board, &priv->tms9914_priv, request_control);
+ return 0;
}
static void hp_82341_interface_clear(struct gpib_board *board, int assert)
diff --git a/drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c b/drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c
index faf96e9cc4a1..233dcf40be39 100644
--- a/drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c
+++ b/drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c
@@ -909,7 +909,7 @@ static void usb_gpib_remote_enable(struct gpib_board *board, int enable)
/* request_system_control */
-static void usb_gpib_request_system_control(struct gpib_board *board,
+static int usb_gpib_request_system_control(struct gpib_board *board,
int request_control)
{
if (request_control)
@@ -918,6 +918,7 @@ static void usb_gpib_request_system_control(struct gpib_board *board,
clear_bit(CIC_NUM, &board->status);
DIA_LOG(1, "done with %d -> %lx\n", request_control, board->status);
+ return 0;
}
/* take_control */
diff --git a/drivers/staging/gpib/pc2/pc2_gpib.c b/drivers/staging/gpib/pc2/pc2_gpib.c
index 96d3c09f2273..324d323b4240 100644
--- a/drivers/staging/gpib/pc2/pc2_gpib.c
+++ b/drivers/staging/gpib/pc2/pc2_gpib.c
@@ -127,11 +127,12 @@ static int pc2_go_to_standby(struct gpib_board *board)
return nec7210_go_to_standby(board, &priv->nec7210_priv);
}
-static void pc2_request_system_control(struct gpib_board *board, int request_control)
+static int pc2_request_system_control(struct gpib_board *board, int request_control)
{
struct pc2_priv *priv = board->private_data;
nec7210_request_system_control(board, &priv->nec7210_priv, request_control);
+ return 0;
}
static void pc2_interface_clear(struct gpib_board *board, int assert)
diff --git a/drivers/staging/gpib/tnt4882/tnt4882_gpib.c b/drivers/staging/gpib/tnt4882/tnt4882_gpib.c
index c35b084b6fd0..62950518fe49 100644
--- a/drivers/staging/gpib/tnt4882/tnt4882_gpib.c
+++ b/drivers/staging/gpib/tnt4882/tnt4882_gpib.c
@@ -642,7 +642,7 @@ static int tnt4882_go_to_standby(struct gpib_board *board)
return nec7210_go_to_standby(board, &priv->nec7210_priv);
}
-static void tnt4882_request_system_control(struct gpib_board *board, int request_control)
+static int tnt4882_request_system_control(struct gpib_board *board, int request_control)
{
struct tnt4882_priv *priv = board->private_data;
@@ -655,6 +655,7 @@ static void tnt4882_request_system_control(struct gpib_board *board, int request
tnt_writeb(priv, CLRSC, CMDR);
udelay(1);
}
+ return 0;
}
static void tnt4882_interface_clear(struct gpib_board *board, int assert)
--
2.34.1
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