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path: root/drivers/spi/spi-bitbang.c
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Diffstat (limited to 'drivers/spi/spi-bitbang.c')
-rw-r--r--drivers/spi/spi-bitbang.c64
1 files changed, 32 insertions, 32 deletions
diff --git a/drivers/spi/spi-bitbang.c b/drivers/spi/spi-bitbang.c
index ecd44016c1..a0e2204fc0 100644
--- a/drivers/spi/spi-bitbang.c
+++ b/drivers/spi/spi-bitbang.c
@@ -187,7 +187,7 @@ int spi_bitbang_setup(struct spi_device *spi)
bool initial_setup = false;
int retval;
- bitbang = spi_master_get_devdata(spi->master);
+ bitbang = spi_controller_get_devdata(spi->controller);
if (!cs) {
cs = kzalloc(sizeof(*cs), GFP_KERNEL);
@@ -236,7 +236,7 @@ static int spi_bitbang_bufs(struct spi_device *spi, struct spi_transfer *t)
unsigned nsecs = cs->nsecs;
struct spi_bitbang *bitbang;
- bitbang = spi_master_get_devdata(spi->master);
+ bitbang = spi_controller_get_devdata(spi->controller);
if (bitbang->set_line_direction) {
int err;
@@ -268,11 +268,11 @@ static int spi_bitbang_bufs(struct spi_device *spi, struct spi_transfer *t)
* transfer-at-a-time ones to leverage dma or fifo hardware.
*/
-static int spi_bitbang_prepare_hardware(struct spi_master *spi)
+static int spi_bitbang_prepare_hardware(struct spi_controller *spi)
{
struct spi_bitbang *bitbang;
- bitbang = spi_master_get_devdata(spi);
+ bitbang = spi_controller_get_devdata(spi);
mutex_lock(&bitbang->lock);
bitbang->busy = 1;
@@ -281,11 +281,11 @@ static int spi_bitbang_prepare_hardware(struct spi_master *spi)
return 0;
}
-static int spi_bitbang_transfer_one(struct spi_master *master,
+static int spi_bitbang_transfer_one(struct spi_controller *ctlr,
struct spi_device *spi,
struct spi_transfer *transfer)
{
- struct spi_bitbang *bitbang = spi_master_get_devdata(master);
+ struct spi_bitbang *bitbang = spi_controller_get_devdata(ctlr);
int status = 0;
if (bitbang->setup_transfer) {
@@ -303,16 +303,16 @@ static int spi_bitbang_transfer_one(struct spi_master *master,
status = -EREMOTEIO;
out:
- spi_finalize_current_transfer(master);
+ spi_finalize_current_transfer(ctlr);
return status;
}
-static int spi_bitbang_unprepare_hardware(struct spi_master *spi)
+static int spi_bitbang_unprepare_hardware(struct spi_controller *spi)
{
struct spi_bitbang *bitbang;
- bitbang = spi_master_get_devdata(spi);
+ bitbang = spi_controller_get_devdata(spi);
mutex_lock(&bitbang->lock);
bitbang->busy = 0;
@@ -323,7 +323,7 @@ static int spi_bitbang_unprepare_hardware(struct spi_master *spi)
static void spi_bitbang_set_cs(struct spi_device *spi, bool enable)
{
- struct spi_bitbang *bitbang = spi_master_get_devdata(spi->master);
+ struct spi_bitbang *bitbang = spi_controller_get_devdata(spi->controller);
/* SPI core provides CS high / low, but bitbang driver
* expects CS active
@@ -341,10 +341,10 @@ static void spi_bitbang_set_cs(struct spi_device *spi, bool enable)
int spi_bitbang_init(struct spi_bitbang *bitbang)
{
- struct spi_master *master = bitbang->master;
+ struct spi_controller *ctlr = bitbang->ctlr;
bool custom_cs;
- if (!master)
+ if (!ctlr)
return -EINVAL;
/*
* We only need the chipselect callback if we are actually using it.
@@ -352,39 +352,39 @@ int spi_bitbang_init(struct spi_bitbang *bitbang)
* SPI_CONTROLLER_GPIO_SS flag is set, we always need to call the
* driver-specific chipselect routine.
*/
- custom_cs = (!master->use_gpio_descriptors ||
- (master->flags & SPI_CONTROLLER_GPIO_SS));
+ custom_cs = (!ctlr->use_gpio_descriptors ||
+ (ctlr->flags & SPI_CONTROLLER_GPIO_SS));
if (custom_cs && !bitbang->chipselect)
return -EINVAL;
mutex_init(&bitbang->lock);
- if (!master->mode_bits)
- master->mode_bits = SPI_CPOL | SPI_CPHA | bitbang->flags;
+ if (!ctlr->mode_bits)
+ ctlr->mode_bits = SPI_CPOL | SPI_CPHA | bitbang->flags;
- if (master->transfer || master->transfer_one_message)
+ if (ctlr->transfer || ctlr->transfer_one_message)
return -EINVAL;
- master->prepare_transfer_hardware = spi_bitbang_prepare_hardware;
- master->unprepare_transfer_hardware = spi_bitbang_unprepare_hardware;
- master->transfer_one = spi_bitbang_transfer_one;
+ ctlr->prepare_transfer_hardware = spi_bitbang_prepare_hardware;
+ ctlr->unprepare_transfer_hardware = spi_bitbang_unprepare_hardware;
+ ctlr->transfer_one = spi_bitbang_transfer_one;
/*
* When using GPIO descriptors, the ->set_cs() callback doesn't even
* get called unless SPI_CONTROLLER_GPIO_SS is set.
*/
if (custom_cs)
- master->set_cs = spi_bitbang_set_cs;
+ ctlr->set_cs = spi_bitbang_set_cs;
if (!bitbang->txrx_bufs) {
bitbang->use_dma = 0;
bitbang->txrx_bufs = spi_bitbang_bufs;
- if (!master->setup) {
+ if (!ctlr->setup) {
if (!bitbang->setup_transfer)
bitbang->setup_transfer =
spi_bitbang_setup_transfer;
- master->setup = spi_bitbang_setup;
- master->cleanup = spi_bitbang_cleanup;
+ ctlr->setup = spi_bitbang_setup;
+ ctlr->cleanup = spi_bitbang_cleanup;
}
}
@@ -411,18 +411,18 @@ EXPORT_SYMBOL_GPL(spi_bitbang_init);
* master methods. Those methods are the defaults if the bitbang->txrx_bufs
* routine isn't initialized.
*
- * This routine registers the spi_master, which will process requests in a
+ * This routine registers the spi_controller, which will process requests in a
* dedicated task, keeping IRQs unblocked most of the time. To stop
* processing those requests, call spi_bitbang_stop().
*
- * On success, this routine will take a reference to master. The caller is
- * responsible for calling spi_bitbang_stop() to decrement the reference and
- * spi_master_put() as counterpart of spi_alloc_master() to prevent a memory
+ * On success, this routine will take a reference to the controller. The caller
+ * is responsible for calling spi_bitbang_stop() to decrement the reference and
+ * spi_controller_put() as counterpart of spi_alloc_master() to prevent a memory
* leak.
*/
int spi_bitbang_start(struct spi_bitbang *bitbang)
{
- struct spi_master *master = bitbang->master;
+ struct spi_controller *ctlr = bitbang->ctlr;
int ret;
ret = spi_bitbang_init(bitbang);
@@ -432,9 +432,9 @@ int spi_bitbang_start(struct spi_bitbang *bitbang)
/* driver may get busy before register() returns, especially
* if someone registered boardinfo for devices
*/
- ret = spi_register_master(spi_master_get(master));
+ ret = spi_register_controller(spi_controller_get(ctlr));
if (ret)
- spi_master_put(master);
+ spi_controller_put(ctlr);
return ret;
}
@@ -445,7 +445,7 @@ EXPORT_SYMBOL_GPL(spi_bitbang_start);
*/
void spi_bitbang_stop(struct spi_bitbang *bitbang)
{
- spi_unregister_master(bitbang->master);
+ spi_unregister_controller(bitbang->ctlr);
}
EXPORT_SYMBOL_GPL(spi_bitbang_stop);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 14:58:13 +0000