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-rw-r--r--include/linux/amba/pl022.h10
-rw-r--r--include/linux/parport.h12
-rw-r--r--include/linux/spi/spi.h20
3 files changed, 14 insertions, 28 deletions
diff --git a/include/linux/amba/pl022.h b/include/linux/amba/pl022.h
index 131b27c97209..9bf58aac0df2 100644
--- a/include/linux/amba/pl022.h
+++ b/include/linux/amba/pl022.h
@@ -223,10 +223,6 @@ struct dma_chan;
/**
* struct pl022_ssp_master - device.platform_data for SPI controller devices.
* @bus_id: identifier for this bus
- * @num_chipselect: chipselects are used to distinguish individual
- * SPI slaves, and are numbered from zero to num_chipselects - 1.
- * each slave has a chipselect signal, but it's common that not
- * every chipselect is connected to a slave.
* @enable_dma: if true enables DMA driven transfers.
* @dma_rx_param: parameter to locate an RX DMA channel.
* @dma_tx_param: parameter to locate a TX DMA channel.
@@ -235,18 +231,15 @@ struct dma_chan;
* indicates no delay and the device will be suspended immediately.
* @rt: indicates the controller should run the message pump with realtime
* priority to minimise the transfer latency on the bus.
- * @chipselects: list of <num_chipselects> chip select gpios
*/
struct pl022_ssp_controller {
u16 bus_id;
- u8 num_chipselect;
u8 enable_dma:1;
bool (*dma_filter)(struct dma_chan *chan, void *filter_param);
void *dma_rx_param;
void *dma_tx_param;
int autosuspend_delay;
bool rt;
- int *chipselects;
};
/**
@@ -265,8 +258,6 @@ struct pl022_ssp_controller {
* @duplex: Microwire interface: Full/Half duplex
* @clkdelay: on the PL023 variant, the delay in feeback clock cycles
* before sampling the incoming line
- * @cs_control: function pointer to board-specific function to
- * assert/deassert I/O port to control HW generation of devices chip-select.
*/
struct pl022_config_chip {
enum ssp_interface iface;
@@ -280,7 +271,6 @@ struct pl022_config_chip {
enum ssp_microwire_wait_state wait_state;
enum ssp_duplex duplex;
enum ssp_clkdelay clkdelay;
- void (*cs_control) (u32 control);
};
#endif /* _SSP_PL022_H */
diff --git a/include/linux/parport.h b/include/linux/parport.h
index f981f794c850..1c16ffb8b908 100644
--- a/include/linux/parport.h
+++ b/include/linux/parport.h
@@ -332,9 +332,19 @@ int __must_check __parport_register_driver(struct parport_driver *,
__parport_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
/* Unregister a high-level driver. */
-extern void parport_unregister_driver (struct parport_driver *);
void parport_unregister_driver(struct parport_driver *);
+/**
+ * module_parport_driver() - Helper macro for registering a modular parport driver
+ * @__parport_driver: struct parport_driver to be used
+ *
+ * Helper macro for parport drivers which do not do anything special in module
+ * init and exit. This eliminates a lot of boilerplate. Each module may only
+ * use this macro once, and calling it replaces module_init() and module_exit().
+ */
+#define module_parport_driver(__parport_driver) \
+ module_driver(__parport_driver, parport_register_driver, parport_unregister_driver)
+
/* If parport_register_driver doesn't fit your needs, perhaps
* parport_find_xxx does. */
extern struct parport *parport_find_number (int);
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 643139b1eafe..360a3bc767ca 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -19,7 +19,7 @@
#include <uapi/linux/spi/spi.h>
struct dma_chan;
-struct property_entry;
+struct software_node;
struct spi_controller;
struct spi_transfer;
struct spi_controller_mem_ops;
@@ -247,7 +247,6 @@ static inline void *spi_get_drvdata(struct spi_device *spi)
}
struct spi_message;
-struct spi_transfer;
/**
* struct spi_driver - Host side "protocol" driver
@@ -835,9 +834,6 @@ extern void spi_res_release(struct spi_controller *ctlr,
* @delay: delay to be introduced after this transfer before
* (optionally) changing the chipselect status, then starting
* the next transfer or completing this @spi_message.
- * @delay_usecs: microseconds to delay after this transfer before
- * (optionally) changing the chipselect status, then starting
- * the next transfer or completing this @spi_message.
* @word_delay: inter word delay to be introduced after each word size
* (set by bits_per_word) transmission.
* @effective_speed_hz: the effective SCK-speed that was used to
@@ -949,7 +945,6 @@ struct spi_transfer {
#define SPI_NBITS_DUAL 0x02 /* 2bits transfer */
#define SPI_NBITS_QUAD 0x04 /* 4bits transfer */
u8 bits_per_word;
- u16 delay_usecs;
struct spi_delay delay;
struct spi_delay cs_change_delay;
struct spi_delay word_delay;
@@ -1063,14 +1058,6 @@ spi_transfer_del(struct spi_transfer *t)
static inline int
spi_transfer_delay_exec(struct spi_transfer *t)
{
- struct spi_delay d;
-
- if (t->delay_usecs) {
- d.value = t->delay_usecs;
- d.unit = SPI_DELAY_UNIT_USECS;
- return spi_delay_exec(&d, NULL);
- }
-
return spi_delay_exec(&t->delay, t);
}
@@ -1412,7 +1399,7 @@ static inline ssize_t spi_w8r16be(struct spi_device *spi, u8 cmd)
* @modalias: Initializes spi_device.modalias; identifies the driver.
* @platform_data: Initializes spi_device.platform_data; the particular
* data stored there is driver-specific.
- * @properties: Additional device properties for the device.
+ * @swnode: Software node for the device.
* @controller_data: Initializes spi_device.controller_data; some
* controllers need hints about hardware setup, e.g. for DMA.
* @irq: Initializes spi_device.irq; depends on how the board is wired.
@@ -1445,12 +1432,11 @@ struct spi_board_info {
*
* platform_data goes to spi_device.dev.platform_data,
* controller_data goes to spi_device.controller_data,
- * device properties are copied and attached to spi_device,
* irq is copied too
*/
char modalias[SPI_NAME_SIZE];
const void *platform_data;
- const struct property_entry *properties;
+ const struct software_node *swnode;
void *controller_data;
int irq;