staging: gpib: Declare driver entry points static

Many of this driver's entry points were unecessarily not declared
static.

Remove the declarations from the include file.
Make the declarations static in the .c file.
Remove an uneccessary forward declaration in the .c file.

Signed-off-by: Dave Penkler <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/gpib/ines/ines.h

···
 	u8 extend_mode_bits;
 };
 
-// interface functions
-int ines_read(struct gpib_board *board, u8 *buffer, size_t length,
-	      int *end, size_t *bytes_read);
-int ines_write(struct gpib_board *board, u8 *buffer, size_t length,
-	       int send_eoi, size_t *bytes_written);
-int ines_accel_read(struct gpib_board *board, u8 *buffer, size_t length,
-		    int *end, size_t *bytes_read);
-int ines_accel_write(struct gpib_board *board, u8 *buffer, size_t length,
-		     int send_eoi, size_t *bytes_written);
-int ines_command(struct gpib_board *board, u8 *buffer, size_t length, size_t *bytes_written);
-int ines_take_control(struct gpib_board *board, int synchronous);
-int ines_go_to_standby(struct gpib_board *board);
-int ines_request_system_control(struct gpib_board *board, int request_control);
-void ines_interface_clear(struct gpib_board *board, int assert);
-void ines_remote_enable(struct gpib_board *board, int enable);
-int ines_enable_eos(struct gpib_board *board, u8 eos_byte, int compare_8_bits);
-void ines_disable_eos(struct gpib_board *board);
-unsigned int ines_update_status(struct gpib_board *board, unsigned int clear_mask);
-int ines_primary_address(struct gpib_board *board, unsigned int address);
-int ines_secondary_address(struct gpib_board *board, unsigned int address, int enable);
-int ines_parallel_poll(struct gpib_board *board, u8 *result);
-void ines_parallel_poll_configure(struct gpib_board *board, u8 config);
-void ines_parallel_poll_response(struct gpib_board *board, int ist);
-void ines_serial_poll_response(struct gpib_board *board, u8 status);
-u8 ines_serial_poll_status(struct gpib_board *board);
-int ines_line_status(const struct gpib_board *board);
-int ines_t1_delay(struct gpib_board *board, unsigned int nano_sec);
-void ines_return_to_local(struct gpib_board *board);
-
-// interrupt service routines
-irqreturn_t ines_pci_interrupt(int irq, void *arg);
-irqreturn_t ines_interrupt(struct gpib_board *board);
-
-// utility functions
-void ines_free_private(struct gpib_board *board);
-int ines_generic_attach(struct gpib_board *board);
-void ines_online(struct ines_priv *priv, const struct gpib_board *board, int use_accel);
-void ines_set_xfer_counter(struct ines_priv *priv, unsigned int count);
-
 /* inb/outb wrappers */
 static inline unsigned int ines_inb(struct ines_priv *priv, unsigned int register_number)
 {
···
 	outb(value, priv->nec7210_priv.iobase +
 	     register_number * priv->nec7210_priv.offset);
 }
-
-// pcmcia init/cleanup
-
-int ines_pcmcia_init_module(void);
-void ines_pcmcia_cleanup_module(void);
 
 enum ines_regs {
 	// read

drivers/staging/gpib/ines/ines_gpib.c

···
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("GPIB driver for Ines iGPIB 72010");
 
-int ines_line_status(const struct gpib_board *board)
+static irqreturn_t ines_interrupt(struct gpib_board *board);
+
+static int ines_line_status(const struct gpib_board *board)
 {
 	int status = VALID_ALL;
 	int bcm_bits;
···
 	return status;
 }
 
-void ines_set_xfer_counter(struct ines_priv *priv, unsigned int count)
+static void ines_set_xfer_counter(struct ines_priv *priv, unsigned int count)
 {
 	if (count > 0xffff) {
 		pr_err("bug! tried to set xfer counter > 0xffff\n");
···
 	ines_outb(priv, count & 0xff, XFER_COUNT_LOWER);
 }
 
-int ines_t1_delay(struct gpib_board *board, unsigned int nano_sec)
+static int ines_t1_delay(struct gpib_board *board, unsigned int nano_sec)
 {
 	struct ines_priv *ines_priv = board->private_data;
 	struct nec7210_priv *nec_priv = &ines_priv->nec7210_priv;
···
 	return retval;
 }
 
-int ines_accel_read(struct gpib_board *board, u8 *buffer,
-		    size_t length, int *end, size_t *bytes_read)
+static int ines_accel_read(struct gpib_board *board, u8 *buffer,
+			   size_t length, int *end, size_t *bytes_read)
 {
 	ssize_t retval = 0;
 	struct ines_priv *ines_priv = board->private_data;
···
 	return 0;
 }
 
-int ines_accel_write(struct gpib_board *board, u8 *buffer, size_t length,
-		     int send_eoi, size_t *bytes_written)
+static int ines_accel_write(struct gpib_board *board, u8 *buffer, size_t length,
+			    int send_eoi, size_t *bytes_written)
 {
 	size_t count = 0;
 	ssize_t retval = 0;
···
 	return retval;
 }
 
-irqreturn_t ines_pci_interrupt(int irq, void *arg)
+static irqreturn_t ines_pci_interrupt(int irq, void *arg)
 {
 	struct gpib_board *board = arg;
 	struct ines_priv *priv = board->private_data;
···
 	return ines_interrupt(board);
 }
 
-irqreturn_t ines_interrupt(struct gpib_board *board)
+static irqreturn_t ines_interrupt(struct gpib_board *board)
 {
 	struct ines_priv *priv = board->private_data;
 	struct nec7210_priv *nec_priv = &priv->nec7210_priv;
···
 static const int num_pci_chips = ARRAY_SIZE(pci_ids);
 
 // wrappers for interface functions
-int ines_read(struct gpib_board *board, u8 *buffer, size_t length,
-	      int *end, size_t *bytes_read)
+static int ines_read(struct gpib_board *board, u8 *buffer, size_t length,
+		     int *end, size_t *bytes_read)
 {
 	struct ines_priv *priv = board->private_data;
 	struct nec7210_priv *nec_priv = &priv->nec7210_priv;
···
 	return retval;
 }
 
-int ines_write(struct gpib_board *board, u8 *buffer, size_t length, int send_eoi,
-	       size_t *bytes_written)
+static int ines_write(struct gpib_board *board, u8 *buffer, size_t length, int send_eoi,
+		      size_t *bytes_written)
 {
 	struct ines_priv *priv = board->private_data;
 
 	return nec7210_write(board, &priv->nec7210_priv, buffer, length, send_eoi, bytes_written);
 }
 
-int ines_command(struct gpib_board *board, u8 *buffer, size_t length, size_t *bytes_written)
+static int ines_command(struct gpib_board *board, u8 *buffer, size_t length, size_t *bytes_written)
 {
 	struct ines_priv *priv = board->private_data;
 
 	return nec7210_command(board, &priv->nec7210_priv, buffer, length, bytes_written);
 }
 
-int ines_take_control(struct gpib_board *board, int synchronous)
+static int ines_take_control(struct gpib_board *board, int synchronous)
 {
 	struct ines_priv *priv = board->private_data;
 
 	return nec7210_take_control(board, &priv->nec7210_priv, synchronous);
 }
 
-int ines_go_to_standby(struct gpib_board *board)
+static int ines_go_to_standby(struct gpib_board *board)
 {
 	struct ines_priv *priv = board->private_data;
 
 	return nec7210_go_to_standby(board, &priv->nec7210_priv);
 }
 
-int ines_request_system_control(struct gpib_board *board, int request_control)
+static int ines_request_system_control(struct gpib_board *board, int request_control)
 {
 	struct ines_priv *priv = board->private_data;
 
 	return nec7210_request_system_control(board, &priv->nec7210_priv, request_control);
 }
 
-void ines_interface_clear(struct gpib_board *board, int assert)
+static void ines_interface_clear(struct gpib_board *board, int assert)
 {
 	struct ines_priv *priv = board->private_data;
 
 	nec7210_interface_clear(board, &priv->nec7210_priv, assert);
 }
 
-void ines_remote_enable(struct gpib_board *board, int enable)
+static void ines_remote_enable(struct gpib_board *board, int enable)
 {
 	struct ines_priv *priv = board->private_data;
 
 	nec7210_remote_enable(board, &priv->nec7210_priv, enable);
 }
 
-int ines_enable_eos(struct gpib_board *board, u8 eos_byte, int compare_8_bits)
+static int ines_enable_eos(struct gpib_board *board, u8 eos_byte, int compare_8_bits)
 {
 	struct ines_priv *priv = board->private_data;
 
 	return nec7210_enable_eos(board, &priv->nec7210_priv, eos_byte, compare_8_bits);
 }
 
-void ines_disable_eos(struct gpib_board *board)
+static void ines_disable_eos(struct gpib_board *board)
 {
 	struct ines_priv *priv = board->private_data;
 
 	nec7210_disable_eos(board, &priv->nec7210_priv);
 }
 
-unsigned int ines_update_status(struct gpib_board *board, unsigned int clear_mask)
+static unsigned int ines_update_status(struct gpib_board *board, unsigned int clear_mask)
 {
 	struct ines_priv *priv = board->private_data;
 
 	return nec7210_update_status(board, &priv->nec7210_priv, clear_mask);
 }
 
-int ines_primary_address(struct gpib_board *board, unsigned int address)
+static int ines_primary_address(struct gpib_board *board, unsigned int address)
 {
 	struct ines_priv *priv = board->private_data;
 
 	return nec7210_primary_address(board, &priv->nec7210_priv, address);
 }
 
-int ines_secondary_address(struct gpib_board *board, unsigned int address, int enable)
+static int ines_secondary_address(struct gpib_board *board, unsigned int address, int enable)
 {
 	struct ines_priv *priv = board->private_data;
 
 	return nec7210_secondary_address(board, &priv->nec7210_priv, address, enable);
 }
 
-int ines_parallel_poll(struct gpib_board *board, u8 *result)
+static int ines_parallel_poll(struct gpib_board *board, u8 *result)
 {
 	struct ines_priv *priv = board->private_data;
 
 	return nec7210_parallel_poll(board, &priv->nec7210_priv, result);
 }
 
-void ines_parallel_poll_configure(struct gpib_board *board, u8 config)
+static void ines_parallel_poll_configure(struct gpib_board *board, u8 config)
 {
 	struct ines_priv *priv = board->private_data;
 
 	nec7210_parallel_poll_configure(board, &priv->nec7210_priv, config);
 }
 
-void ines_parallel_poll_response(struct gpib_board *board, int ist)
+static void ines_parallel_poll_response(struct gpib_board *board, int ist)
 {
 	struct ines_priv *priv = board->private_data;
 
 	nec7210_parallel_poll_response(board, &priv->nec7210_priv, ist);
 }
 
-void ines_serial_poll_response(struct gpib_board *board, u8 status)
+static void ines_serial_poll_response(struct gpib_board *board, u8 status)
 {
 	struct ines_priv *priv = board->private_data;
 
 	nec7210_serial_poll_response(board, &priv->nec7210_priv, status);
 }
 
-u8 ines_serial_poll_status(struct gpib_board *board)
+static u8 ines_serial_poll_status(struct gpib_board *board)
 {
 	struct ines_priv *priv = board->private_data;
 
 	return nec7210_serial_poll_status(board, &priv->nec7210_priv);
 }
 
-void ines_return_to_local(struct gpib_board *board)
+static void ines_return_to_local(struct gpib_board *board)
 {
 	struct ines_priv *priv = board->private_data;
 
···
 	return 0;
 }
 
-void ines_free_private(struct gpib_board *board)
+static void ines_free_private(struct gpib_board *board)
 {
 	kfree(board->private_data);
 	board->private_data = NULL;
 }
 
-int ines_generic_attach(struct gpib_board *board)
+static int ines_generic_attach(struct gpib_board *board)
 {
 	struct ines_priv *ines_priv;
 	struct nec7210_priv *nec_priv;
···
 	return 0;
 }
 
-void ines_online(struct ines_priv *ines_priv, const struct gpib_board *board, int use_accel)
+static void ines_online(struct ines_priv *ines_priv, const struct gpib_board *board, int use_accel)
 {
 	struct nec7210_priv *nec_priv = &ines_priv->nec7210_priv;
 
···
 	return 0;
 }
 
-int ines_pci_attach(struct gpib_board *board, const struct gpib_board_config *config)
+static int ines_pci_attach(struct gpib_board *board, const struct gpib_board_config *config)
 {
 	struct ines_priv *ines_priv;
 	int retval;
···
 	return 0;
 }
 
-int ines_pci_accel_attach(struct gpib_board *board, const struct gpib_board_config *config)
+static int ines_pci_accel_attach(struct gpib_board *board, const struct gpib_board_config *config)
 {
 	struct ines_priv *ines_priv;
 	int retval;
···
 
 static const int ines_isa_iosize = 0x20;
 
-int ines_isa_attach(struct gpib_board *board, const struct gpib_board_config *config)
+static int ines_isa_attach(struct gpib_board *board, const struct gpib_board_config *config)
 {
 	struct ines_priv *ines_priv;
 	struct nec7210_priv *nec_priv;
···
 	return 0;
 }
 
-void ines_pci_detach(struct gpib_board *board)
+static void ines_pci_detach(struct gpib_board *board)
 {
 	struct ines_priv *ines_priv = board->private_data;
 	struct nec7210_priv *nec_priv;
···
 	ines_free_private(board);
 }
 
-void ines_isa_detach(struct gpib_board *board)
+static void ines_isa_detach(struct gpib_board *board)
 {
 	struct ines_priv *ines_priv = board->private_data;
 	struct nec7210_priv *nec_priv;
···
 static int ines_pcmcia_accel_attach(struct gpib_board *board,
 				    const struct gpib_board_config *config);
 static void ines_pcmcia_detach(struct gpib_board *board);
-static irqreturn_t ines_pcmcia_interrupt(int irq, void *arg);
 static int ines_common_pcmcia_attach(struct gpib_board *board);
 /*
  * A linked list of "instances" of the gpib device.  Each actual
···
 	.resume		= ines_gpib_resume,
 };
 
-void ines_pcmcia_cleanup_module(void)
+static void ines_pcmcia_cleanup_module(void)
 {
 	pcmcia_unregister_driver(&ines_gpib_cs_driver);
 }
···
 	.return_to_local = ines_return_to_local,
 };
 
-irqreturn_t ines_pcmcia_interrupt(int irq, void *arg)
+static irqreturn_t ines_pcmcia_interrupt(int irq, void *arg)
 {
 	struct gpib_board *board = arg;
 
 	return ines_interrupt(board);
 }
 
-int ines_common_pcmcia_attach(struct gpib_board *board)
+static int ines_common_pcmcia_attach(struct gpib_board *board)
 {
 	struct ines_priv *ines_priv;
 	struct nec7210_priv *nec_priv;
···
 	return 0;
 }
 
-int ines_pcmcia_attach(struct gpib_board *board, const struct gpib_board_config *config)
+static int ines_pcmcia_attach(struct gpib_board *board, const struct gpib_board_config *config)
 {
 	struct ines_priv *ines_priv;
 	int retval;
···
 	return 0;
 }
 
-int ines_pcmcia_accel_attach(struct gpib_board *board, const struct gpib_board_config *config)
+static int ines_pcmcia_accel_attach(struct gpib_board *board,
+				    const struct gpib_board_config *config)
 {
 	struct ines_priv *ines_priv;
 	int retval;
···
 	return 0;
 }
 
-void ines_pcmcia_detach(struct gpib_board *board)
+static void ines_pcmcia_detach(struct gpib_board *board)
 {
 	struct ines_priv *ines_priv = board->private_data;
 	struct nec7210_priv *nec_priv;