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staging: gpib: nec7210 struct gpib_board
Using Linux code style for struct gpib_board. Adhering to Linux code style. In general, a pointer, or a struct that has elements that can reasonably be directly accessed should never be a typedef. Signed-off-by: Michael Rubin <matchstick@neverthere.org> Acked-By: Dave Penkler <dpenkler@gmail.com> Link: https://lore.kernel.org/r/20250319215924.19387-15-matchstick@neverthere.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Rubin
Greg Kroah-Hartman
parent
344a50b0f4
commit
4a55f2e134
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@ -1,4 +1,4 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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//* SPDX-License-Identifier: GPL-2.0 */
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/***************************************************************************
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* copyright : (C) 2002 by Frank Mori Hess
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@ -78,48 +78,48 @@ enum {
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};
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// interface functions
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int nec7210_read(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *buffer,
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int nec7210_read(struct gpib_board *board, struct nec7210_priv *priv, uint8_t *buffer,
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size_t length, int *end, size_t *bytes_read);
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int nec7210_write(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *buffer,
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int nec7210_write(struct gpib_board *board, struct nec7210_priv *priv, uint8_t *buffer,
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size_t length, int send_eoi, size_t *bytes_written);
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int nec7210_command(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *buffer,
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int nec7210_command(struct gpib_board *board, struct nec7210_priv *priv, uint8_t *buffer,
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size_t length, size_t *bytes_written);
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int nec7210_take_control(gpib_board_t *board, struct nec7210_priv *priv, int syncronous);
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int nec7210_go_to_standby(gpib_board_t *board, struct nec7210_priv *priv);
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void nec7210_request_system_control(gpib_board_t *board,
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int nec7210_take_control(struct gpib_board *board, struct nec7210_priv *priv, int syncronous);
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int nec7210_go_to_standby(struct gpib_board *board, struct nec7210_priv *priv);
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void nec7210_request_system_control(struct gpib_board *board,
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struct nec7210_priv *priv, int request_control);
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void nec7210_interface_clear(gpib_board_t *board, struct nec7210_priv *priv, int assert);
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void nec7210_remote_enable(gpib_board_t *board, struct nec7210_priv *priv, int enable);
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int nec7210_enable_eos(gpib_board_t *board, struct nec7210_priv *priv, uint8_t eos_bytes,
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void nec7210_interface_clear(struct gpib_board *board, struct nec7210_priv *priv, int assert);
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void nec7210_remote_enable(struct gpib_board *board, struct nec7210_priv *priv, int enable);
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int nec7210_enable_eos(struct gpib_board *board, struct nec7210_priv *priv, uint8_t eos_bytes,
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int compare_8_bits);
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void nec7210_disable_eos(gpib_board_t *board, struct nec7210_priv *priv);
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unsigned int nec7210_update_status(gpib_board_t *board, struct nec7210_priv *priv,
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void nec7210_disable_eos(struct gpib_board *board, struct nec7210_priv *priv);
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unsigned int nec7210_update_status(struct gpib_board *board, struct nec7210_priv *priv,
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unsigned int clear_mask);
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unsigned int nec7210_update_status_nolock(gpib_board_t *board, struct nec7210_priv *priv);
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int nec7210_primary_address(const gpib_board_t *board,
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unsigned int nec7210_update_status_nolock(struct gpib_board *board, struct nec7210_priv *priv);
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int nec7210_primary_address(const struct gpib_board *board,
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struct nec7210_priv *priv, unsigned int address);
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int nec7210_secondary_address(const gpib_board_t *board, struct nec7210_priv *priv,
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int nec7210_secondary_address(const struct gpib_board *board, struct nec7210_priv *priv,
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unsigned int address, int enable);
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int nec7210_parallel_poll(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *result);
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void nec7210_serial_poll_response(gpib_board_t *board, struct nec7210_priv *priv, uint8_t status);
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void nec7210_parallel_poll_configure(gpib_board_t *board,
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int nec7210_parallel_poll(struct gpib_board *board, struct nec7210_priv *priv, uint8_t *result);
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void nec7210_serial_poll_response(struct gpib_board *board, struct nec7210_priv *priv, uint8_t status);
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void nec7210_parallel_poll_configure(struct gpib_board *board,
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struct nec7210_priv *priv, unsigned int configuration);
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void nec7210_parallel_poll_response(gpib_board_t *board,
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void nec7210_parallel_poll_response(struct gpib_board *board,
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struct nec7210_priv *priv, int ist);
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uint8_t nec7210_serial_poll_status(gpib_board_t *board,
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uint8_t nec7210_serial_poll_status(struct gpib_board *board,
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struct nec7210_priv *priv);
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unsigned int nec7210_t1_delay(gpib_board_t *board,
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unsigned int nec7210_t1_delay(struct gpib_board *board,
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struct nec7210_priv *priv, unsigned int nano_sec);
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void nec7210_return_to_local(const gpib_board_t *board, struct nec7210_priv *priv);
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void nec7210_return_to_local(const struct gpib_board *board, struct nec7210_priv *priv);
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// utility functions
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void nec7210_board_reset(struct nec7210_priv *priv, const gpib_board_t *board);
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void nec7210_board_online(struct nec7210_priv *priv, const gpib_board_t *board);
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void nec7210_board_reset(struct nec7210_priv *priv, const struct gpib_board *board);
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void nec7210_board_online(struct nec7210_priv *priv, const struct gpib_board *board);
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unsigned int nec7210_set_reg_bits(struct nec7210_priv *priv, unsigned int reg,
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unsigned int mask, unsigned int bits);
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void nec7210_set_handshake_mode(gpib_board_t *board, struct nec7210_priv *priv, int mode);
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void nec7210_release_rfd_holdoff(gpib_board_t *board, struct nec7210_priv *priv);
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uint8_t nec7210_read_data_in(gpib_board_t *board, struct nec7210_priv *priv, int *end);
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void nec7210_set_handshake_mode(struct gpib_board *board, struct nec7210_priv *priv, int mode);
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void nec7210_release_rfd_holdoff(struct gpib_board *board, struct nec7210_priv *priv);
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uint8_t nec7210_read_data_in(struct gpib_board *board, struct nec7210_priv *priv, int *end);
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// wrappers for io functions
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uint8_t nec7210_ioport_read_byte(struct nec7210_priv *priv, unsigned int register_num);
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@ -134,8 +134,8 @@ void nec7210_locking_iomem_write_byte(struct nec7210_priv *priv, uint8_t data,
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unsigned int register_num);
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// interrupt service routine
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irqreturn_t nec7210_interrupt(gpib_board_t *board, struct nec7210_priv *priv);
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irqreturn_t nec7210_interrupt_have_status(gpib_board_t *board,
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irqreturn_t nec7210_interrupt(struct gpib_board *board, struct nec7210_priv *priv);
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irqreturn_t nec7210_interrupt_have_status(struct gpib_board *board,
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struct nec7210_priv *priv, int status1, int status2);
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#endif //_NEC7210_H
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@ -23,7 +23,7 @@
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("GPIB library code for NEC uPD7210");
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int nec7210_enable_eos(gpib_board_t *board, struct nec7210_priv *priv, uint8_t eos_byte,
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int nec7210_enable_eos(struct gpib_board *board, struct nec7210_priv *priv, uint8_t eos_byte,
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int compare_8_bits)
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{
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write_byte(priv, eos_byte, EOSR);
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@ -37,14 +37,14 @@ int nec7210_enable_eos(gpib_board_t *board, struct nec7210_priv *priv, uint8_t e
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}
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EXPORT_SYMBOL(nec7210_enable_eos);
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void nec7210_disable_eos(gpib_board_t *board, struct nec7210_priv *priv)
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void nec7210_disable_eos(struct gpib_board *board, struct nec7210_priv *priv)
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{
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priv->auxa_bits &= ~HR_REOS;
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write_byte(priv, priv->auxa_bits, AUXMR);
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}
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EXPORT_SYMBOL(nec7210_disable_eos);
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int nec7210_parallel_poll(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *result)
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int nec7210_parallel_poll(struct gpib_board *board, struct nec7210_priv *priv, uint8_t *result)
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{
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int ret;
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@ -64,14 +64,14 @@ int nec7210_parallel_poll(gpib_board_t *board, struct nec7210_priv *priv, uint8_
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}
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EXPORT_SYMBOL(nec7210_parallel_poll);
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void nec7210_parallel_poll_configure(gpib_board_t *board,
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void nec7210_parallel_poll_configure(struct gpib_board *board,
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struct nec7210_priv *priv, unsigned int configuration)
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{
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write_byte(priv, PPR | configuration, AUXMR);
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}
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EXPORT_SYMBOL(nec7210_parallel_poll_configure);
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void nec7210_parallel_poll_response(gpib_board_t *board, struct nec7210_priv *priv, int ist)
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void nec7210_parallel_poll_response(struct gpib_board *board, struct nec7210_priv *priv, int ist)
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{
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if (ist)
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write_byte(priv, AUX_SPPF, AUXMR);
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@ -85,7 +85,8 @@ EXPORT_SYMBOL(nec7210_parallel_poll_response);
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* the 488.2 capability (for example with NI chips), or we need to implement the
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* 488.2 set srv state machine in the driver (if that is even viable).
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*/
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void nec7210_serial_poll_response(gpib_board_t *board, struct nec7210_priv *priv, uint8_t status)
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void nec7210_serial_poll_response(struct gpib_board *board,
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struct nec7210_priv *priv, uint8_t status)
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{
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unsigned long flags;
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@ -102,13 +103,13 @@ void nec7210_serial_poll_response(gpib_board_t *board, struct nec7210_priv *priv
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}
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EXPORT_SYMBOL(nec7210_serial_poll_response);
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uint8_t nec7210_serial_poll_status(gpib_board_t *board, struct nec7210_priv *priv)
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uint8_t nec7210_serial_poll_status(struct gpib_board *board, struct nec7210_priv *priv)
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{
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return read_byte(priv, SPSR);
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}
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EXPORT_SYMBOL(nec7210_serial_poll_status);
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int nec7210_primary_address(const gpib_board_t *board, struct nec7210_priv *priv,
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int nec7210_primary_address(const struct gpib_board *board, struct nec7210_priv *priv,
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unsigned int address)
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{
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// put primary address in address0
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@ -117,7 +118,7 @@ int nec7210_primary_address(const gpib_board_t *board, struct nec7210_priv *priv
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}
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EXPORT_SYMBOL(nec7210_primary_address);
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int nec7210_secondary_address(const gpib_board_t *board, struct nec7210_priv *priv,
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int nec7210_secondary_address(const struct gpib_board *board, struct nec7210_priv *priv,
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unsigned int address, int enable)
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{
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if (enable) {
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@ -166,7 +167,7 @@ static void update_listener_state(struct nec7210_priv *priv, unsigned int addres
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}
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}
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unsigned int nec7210_update_status_nolock(gpib_board_t *board, struct nec7210_priv *priv)
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unsigned int nec7210_update_status_nolock(struct gpib_board *board, struct nec7210_priv *priv)
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{
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int address_status_bits;
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u8 spoll_status;
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@ -209,7 +210,7 @@ unsigned int nec7210_update_status_nolock(gpib_board_t *board, struct nec7210_pr
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}
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EXPORT_SYMBOL(nec7210_update_status_nolock);
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unsigned int nec7210_update_status(gpib_board_t *board, struct nec7210_priv *priv,
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unsigned int nec7210_update_status(struct gpib_board *board, struct nec7210_priv *priv,
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unsigned int clear_mask)
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{
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unsigned long flags;
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@ -234,7 +235,7 @@ unsigned int nec7210_set_reg_bits(struct nec7210_priv *priv, unsigned int reg,
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}
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EXPORT_SYMBOL(nec7210_set_reg_bits);
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void nec7210_set_handshake_mode(gpib_board_t *board, struct nec7210_priv *priv, int mode)
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void nec7210_set_handshake_mode(struct gpib_board *board, struct nec7210_priv *priv, int mode)
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{
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unsigned long flags;
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@ -250,7 +251,7 @@ void nec7210_set_handshake_mode(gpib_board_t *board, struct nec7210_priv *priv,
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}
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EXPORT_SYMBOL(nec7210_set_handshake_mode);
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uint8_t nec7210_read_data_in(gpib_board_t *board, struct nec7210_priv *priv, int *end)
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uint8_t nec7210_read_data_in(struct gpib_board *board, struct nec7210_priv *priv, int *end)
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{
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unsigned long flags;
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u8 data;
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@ -268,7 +269,7 @@ uint8_t nec7210_read_data_in(gpib_board_t *board, struct nec7210_priv *priv, int
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}
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EXPORT_SYMBOL(nec7210_read_data_in);
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int nec7210_take_control(gpib_board_t *board, struct nec7210_priv *priv, int syncronous)
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int nec7210_take_control(struct gpib_board *board, struct nec7210_priv *priv, int syncronous)
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{
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int i;
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const int timeout = 100;
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@ -295,7 +296,7 @@ int nec7210_take_control(gpib_board_t *board, struct nec7210_priv *priv, int syn
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}
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EXPORT_SYMBOL(nec7210_take_control);
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int nec7210_go_to_standby(gpib_board_t *board, struct nec7210_priv *priv)
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int nec7210_go_to_standby(struct gpib_board *board, struct nec7210_priv *priv)
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{
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int i;
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const int timeout = 1000;
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@ -329,7 +330,7 @@ int nec7210_go_to_standby(gpib_board_t *board, struct nec7210_priv *priv)
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}
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EXPORT_SYMBOL(nec7210_go_to_standby);
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void nec7210_request_system_control(gpib_board_t *board, struct nec7210_priv *priv,
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void nec7210_request_system_control(struct gpib_board *board, struct nec7210_priv *priv,
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int request_control)
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{
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if (request_control == 0) {
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@ -340,7 +341,7 @@ void nec7210_request_system_control(gpib_board_t *board, struct nec7210_priv *pr
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}
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EXPORT_SYMBOL(nec7210_request_system_control);
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void nec7210_interface_clear(gpib_board_t *board, struct nec7210_priv *priv, int assert)
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void nec7210_interface_clear(struct gpib_board *board, struct nec7210_priv *priv, int assert)
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{
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if (assert)
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write_byte(priv, AUX_SIFC, AUXMR);
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@ -349,7 +350,7 @@ void nec7210_interface_clear(gpib_board_t *board, struct nec7210_priv *priv, int
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}
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EXPORT_SYMBOL(nec7210_interface_clear);
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void nec7210_remote_enable(gpib_board_t *board, struct nec7210_priv *priv, int enable)
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void nec7210_remote_enable(struct gpib_board *board, struct nec7210_priv *priv, int enable)
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{
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if (enable)
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write_byte(priv, AUX_SREN, AUXMR);
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@ -358,7 +359,7 @@ void nec7210_remote_enable(gpib_board_t *board, struct nec7210_priv *priv, int e
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}
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EXPORT_SYMBOL(nec7210_remote_enable);
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void nec7210_release_rfd_holdoff(gpib_board_t *board, struct nec7210_priv *priv)
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void nec7210_release_rfd_holdoff(struct gpib_board *board, struct nec7210_priv *priv)
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{
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unsigned long flags;
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@ -372,7 +373,7 @@ void nec7210_release_rfd_holdoff(gpib_board_t *board, struct nec7210_priv *priv)
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}
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EXPORT_SYMBOL(nec7210_release_rfd_holdoff);
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unsigned int nec7210_t1_delay(gpib_board_t *board, struct nec7210_priv *priv,
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unsigned int nec7210_t1_delay(struct gpib_board *board, struct nec7210_priv *priv,
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unsigned int nano_sec)
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{
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unsigned int retval;
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@ -390,13 +391,13 @@ unsigned int nec7210_t1_delay(gpib_board_t *board, struct nec7210_priv *priv,
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}
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EXPORT_SYMBOL(nec7210_t1_delay);
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void nec7210_return_to_local(const gpib_board_t *board, struct nec7210_priv *priv)
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void nec7210_return_to_local(const struct gpib_board *board, struct nec7210_priv *priv)
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{
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write_byte(priv, AUX_RTL, AUXMR);
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}
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EXPORT_SYMBOL(nec7210_return_to_local);
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static inline short nec7210_atn_has_changed(gpib_board_t *board, struct nec7210_priv *priv)
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static inline short nec7210_atn_has_changed(struct gpib_board *board, struct nec7210_priv *priv)
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{
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short address_status_bits = read_byte(priv, ADSR);
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@ -414,7 +415,7 @@ static inline short nec7210_atn_has_changed(gpib_board_t *board, struct nec7210_
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return -1;
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}
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int nec7210_command(gpib_board_t *board, struct nec7210_priv *priv, uint8_t
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int nec7210_command(struct gpib_board *board, struct nec7210_priv *priv, uint8_t
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*buffer, size_t length, size_t *bytes_written)
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{
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int retval = 0;
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@ -463,7 +464,7 @@ int nec7210_command(gpib_board_t *board, struct nec7210_priv *priv, uint8_t
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}
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EXPORT_SYMBOL(nec7210_command);
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static int pio_read(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *buffer,
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static int pio_read(struct gpib_board *board, struct nec7210_priv *priv, uint8_t *buffer,
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size_t length, int *end, size_t *bytes_read)
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{
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ssize_t retval = 0;
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@ -512,7 +513,7 @@ static int pio_read(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *buf
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}
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#ifdef NEC_DMA
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static ssize_t __dma_read(gpib_board_t *board, struct nec7210_priv *priv, size_t length)
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static ssize_t __dma_read(struct gpib_board *board, struct nec7210_priv *priv, size_t length)
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{
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ssize_t retval = 0;
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size_t count = 0;
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@ -567,7 +568,7 @@ static ssize_t __dma_read(gpib_board_t *board, struct nec7210_priv *priv, size_t
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return retval ? retval : count;
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}
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static ssize_t dma_read(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *buffer,
|
||||
static ssize_t dma_read(struct gpib_board *board, struct nec7210_priv *priv, uint8_t *buffer,
|
||||
size_t length)
|
||||
{
|
||||
size_t remain = length;
|
||||
|
|
@ -594,7 +595,7 @@ static ssize_t dma_read(gpib_board_t *board, struct nec7210_priv *priv, uint8_t
|
|||
}
|
||||
#endif
|
||||
|
||||
int nec7210_read(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *buffer,
|
||||
int nec7210_read(struct gpib_board *board, struct nec7210_priv *priv, uint8_t *buffer,
|
||||
size_t length, int *end, size_t *bytes_read)
|
||||
{
|
||||
ssize_t retval = 0;
|
||||
|
|
@ -615,7 +616,7 @@ int nec7210_read(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *buffer
|
|||
}
|
||||
EXPORT_SYMBOL(nec7210_read);
|
||||
|
||||
static int pio_write_wait(gpib_board_t *board, struct nec7210_priv *priv,
|
||||
static int pio_write_wait(struct gpib_board *board, struct nec7210_priv *priv,
|
||||
short wake_on_lacs, short wake_on_atn, short wake_on_bus_error)
|
||||
{
|
||||
// wait until byte is ready to be sent
|
||||
|
|
@ -641,7 +642,7 @@ static int pio_write_wait(gpib_board_t *board, struct nec7210_priv *priv,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int pio_write(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *buffer,
|
||||
static int pio_write(struct gpib_board *board, struct nec7210_priv *priv, uint8_t *buffer,
|
||||
size_t length, size_t *bytes_written)
|
||||
{
|
||||
size_t last_count = 0;
|
||||
|
|
@ -684,7 +685,7 @@ static int pio_write(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *bu
|
|||
}
|
||||
|
||||
#ifdef NEC_DMA
|
||||
static ssize_t __dma_write(gpib_board_t *board, struct nec7210_priv *priv, dma_addr_t address,
|
||||
static ssize_t __dma_write(struct gpib_board *board, struct nec7210_priv *priv, dma_addr_t address,
|
||||
size_t length)
|
||||
{
|
||||
unsigned long flags, dma_irq_flags;
|
||||
|
|
@ -741,7 +742,7 @@ static ssize_t __dma_write(gpib_board_t *board, struct nec7210_priv *priv, dma_a
|
|||
return retval ? retval : length;
|
||||
}
|
||||
|
||||
static ssize_t dma_write(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *buffer,
|
||||
static ssize_t dma_write(struct gpib_board *board, struct nec7210_priv *priv, uint8_t *buffer,
|
||||
size_t length)
|
||||
{
|
||||
size_t remain = length;
|
||||
|
|
@ -765,8 +766,9 @@ static ssize_t dma_write(gpib_board_t *board, struct nec7210_priv *priv, uint8_t
|
|||
return length - remain;
|
||||
}
|
||||
#endif
|
||||
int nec7210_write(gpib_board_t *board, struct nec7210_priv *priv, uint8_t *buffer, size_t length,
|
||||
int send_eoi, size_t *bytes_written)
|
||||
int nec7210_write(struct gpib_board *board, struct nec7210_priv *priv,
|
||||
uint8_t *buffer, size_t length, int send_eoi,
|
||||
size_t *bytes_written)
|
||||
{
|
||||
int retval = 0;
|
||||
|
||||
|
|
@ -827,7 +829,7 @@ EXPORT_SYMBOL(nec7210_write);
|
|||
/*
|
||||
* interrupt service routine
|
||||
*/
|
||||
irqreturn_t nec7210_interrupt(gpib_board_t *board, struct nec7210_priv *priv)
|
||||
irqreturn_t nec7210_interrupt(struct gpib_board *board, struct nec7210_priv *priv)
|
||||
{
|
||||
int status1, status2;
|
||||
|
||||
|
|
@ -839,7 +841,7 @@ irqreturn_t nec7210_interrupt(gpib_board_t *board, struct nec7210_priv *priv)
|
|||
}
|
||||
EXPORT_SYMBOL(nec7210_interrupt);
|
||||
|
||||
irqreturn_t nec7210_interrupt_have_status(gpib_board_t *board,
|
||||
irqreturn_t nec7210_interrupt_have_status(struct gpib_board *board,
|
||||
struct nec7210_priv *priv, int status1, int status2)
|
||||
{
|
||||
#ifdef NEC_DMA
|
||||
|
|
@ -957,7 +959,7 @@ irqreturn_t nec7210_interrupt_have_status(gpib_board_t *board,
|
|||
}
|
||||
EXPORT_SYMBOL(nec7210_interrupt_have_status);
|
||||
|
||||
void nec7210_board_reset(struct nec7210_priv *priv, const gpib_board_t *board)
|
||||
void nec7210_board_reset(struct nec7210_priv *priv, const struct gpib_board *board)
|
||||
{
|
||||
/* 7210 chip reset */
|
||||
write_byte(priv, AUX_CR, AUXMR);
|
||||
|
|
@ -991,7 +993,7 @@ void nec7210_board_reset(struct nec7210_priv *priv, const gpib_board_t *board)
|
|||
}
|
||||
EXPORT_SYMBOL(nec7210_board_reset);
|
||||
|
||||
void nec7210_board_online(struct nec7210_priv *priv, const gpib_board_t *board)
|
||||
void nec7210_board_online(struct nec7210_priv *priv, const struct gpib_board *board)
|
||||
{
|
||||
/* set GPIB address */
|
||||
nec7210_primary_address(board, priv, board->pad);
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user