diff options
Diffstat (limited to 'drivers/spi/spi-pxa2xx.c')
| -rw-r--r-- | drivers/spi/spi-pxa2xx.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 0e0d445f4028..e05af2a94d38 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -316,7 +316,7 @@ static void lpss_ssp_select_cs(struct driver_data *drv_data, value = __lpss_ssp_read_priv(drv_data, config->reg_cs_ctrl); - cs = drv_data->cur_msg->spi->chip_select; + cs = drv_data->master->cur_msg->spi->chip_select; cs <<= config->cs_sel_shift; if (cs != (value & config->cs_sel_mask)) { /* @@ -508,7 +508,7 @@ static int u32_reader(struct driver_data *drv_data) void *pxa2xx_spi_next_transfer(struct driver_data *drv_data) { - struct spi_message *msg = drv_data->cur_msg; + struct spi_message *msg = drv_data->master->cur_msg; struct spi_transfer *trans = drv_data->cur_transfer; /* Move to next transfer */ @@ -529,8 +529,7 @@ static void giveback(struct driver_data *drv_data) struct spi_message *msg; unsigned long timeout; - msg = drv_data->cur_msg; - drv_data->cur_msg = NULL; + msg = drv_data->master->cur_msg; drv_data->cur_transfer = NULL; last_transfer = list_last_entry(&msg->transfers, struct spi_transfer, @@ -610,7 +609,7 @@ static void int_error_stop(struct driver_data *drv_data, const char* msg) dev_err(&drv_data->pdev->dev, "%s\n", msg); - drv_data->cur_msg->state = ERROR_STATE; + drv_data->master->cur_msg->state = ERROR_STATE; tasklet_schedule(&drv_data->pump_transfers); } @@ -623,7 +622,7 @@ static void int_transfer_complete(struct driver_data *drv_data) pxa2xx_spi_write(drv_data, SSTO, 0); /* Update total byte transferred return count actual bytes read */ - drv_data->cur_msg->actual_length += drv_data->len - + drv_data->master->cur_msg->actual_length += drv_data->len - (drv_data->rx_end - drv_data->rx); /* Transfer delays and chip select release are @@ -631,7 +630,7 @@ static void int_transfer_complete(struct driver_data *drv_data) */ /* Move to next transfer */ - drv_data->cur_msg->state = pxa2xx_spi_next_transfer(drv_data); + drv_data->master->cur_msg->state = pxa2xx_spi_next_transfer(drv_data); /* Schedule transfer tasklet */ tasklet_schedule(&drv_data->pump_transfers); @@ -746,7 +745,7 @@ static irqreturn_t ssp_int(int irq, void *dev_id) if (!(status & mask)) return IRQ_NONE; - if (!drv_data->cur_msg) { + if (!drv_data->master->cur_msg) { pxa2xx_spi_write(drv_data, SSCR0, pxa2xx_spi_read(drv_data, SSCR0) @@ -934,7 +933,7 @@ static void pump_transfers(unsigned long data) { struct driver_data *drv_data = (struct driver_data *)data; struct spi_master *master = drv_data->master; - struct spi_message *message; + struct spi_message *message = master->cur_msg; struct spi_transfer *transfer; struct spi_transfer *previous; struct chip_data *chip; @@ -950,7 +949,6 @@ static void pump_transfers(unsigned long data) int dma_mapped; /* Get current state information */ - message = drv_data->cur_msg; transfer = drv_data->cur_transfer; chip = drv_data->cur_chip; @@ -1146,16 +1144,15 @@ static int pxa2xx_spi_transfer_one_message(struct spi_master *master, { struct driver_data *drv_data = spi_master_get_devdata(master); - drv_data->cur_msg = msg; /* Initial message state*/ - drv_data->cur_msg->state = START_STATE; - drv_data->cur_transfer = list_entry(drv_data->cur_msg->transfers.next, + msg->state = START_STATE; + drv_data->cur_transfer = list_entry(msg->transfers.next, struct spi_transfer, transfer_list); /* prepare to setup the SSP, in pump_transfers, using the per * chip configuration */ - drv_data->cur_chip = spi_get_ctldata(drv_data->cur_msg->spi); + drv_data->cur_chip = spi_get_ctldata(msg->spi); /* Mark as busy and launch transfers */ tasklet_schedule(&drv_data->pump_transfers); |