diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
| commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
| tree | d6d89a12e7eb8017837c057935a2271290907f76 /drivers/spi/spi-pxa2xx.c | |
| parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) | |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'drivers/spi/spi-pxa2xx.c')
| -rw-r--r-- | drivers/spi/spi-pxa2xx.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 86138e410..fe07c0592 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -570,9 +570,8 @@ static void giveback(struct driver_data *drv_data) /* see if the next and current messages point * to the same chip */ - if (next_msg && next_msg->spi != msg->spi) - next_msg = NULL; - if (!next_msg || msg->state == ERROR_STATE) + if ((next_msg && next_msg->spi != msg->spi) || + msg->state == ERROR_STATE) cs_deassert(drv_data); } @@ -928,6 +927,7 @@ static void pump_transfers(unsigned long data) u32 dma_thresh = drv_data->cur_chip->dma_threshold; u32 dma_burst = drv_data->cur_chip->dma_burst_size; u32 change_mask = pxa2xx_spi_get_ssrc1_change_mask(drv_data); + int err; /* Get current state information */ message = drv_data->cur_msg; @@ -1047,7 +1047,12 @@ static void pump_transfers(unsigned long data) /* Ensure we have the correct interrupt handler */ drv_data->transfer_handler = pxa2xx_spi_dma_transfer; - pxa2xx_spi_dma_prepare(drv_data, dma_burst); + err = pxa2xx_spi_dma_prepare(drv_data, dma_burst); + if (err) { + message->status = err; + giveback(drv_data); + return; + } /* Clear status and start DMA engine */ cr1 = chip->cr1 | dma_thresh | drv_data->dma_cr1; @@ -1543,7 +1548,6 @@ static int pxa2xx_spi_probe(struct platform_device *pdev) drv_data->pdev = pdev; drv_data->ssp = ssp; - master->dev.parent = &pdev->dev; master->dev.of_node = pdev->dev.of_node; /* the spi->mode bits understood by this driver: */ master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LOOP; @@ -1556,6 +1560,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev) master->unprepare_transfer_hardware = pxa2xx_spi_unprepare_transfer; master->fw_translate_cs = pxa2xx_spi_fw_translate_cs; master->auto_runtime_pm = true; + master->flags = SPI_MASTER_MUST_RX | SPI_MASTER_MUST_TX; drv_data->ssp_type = ssp->type; |