diff options
Diffstat (limited to 'drivers/spi/spi-dw.c')
| -rw-r--r-- | drivers/spi/spi-dw.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index b897c4adb39d..bf98d63d92b3 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -427,7 +427,6 @@ static void pump_transfers(unsigned long data) dws->tx_end = dws->tx + transfer->len; dws->rx = transfer->rx_buf; dws->rx_end = dws->rx + transfer->len; - dws->cs_change = transfer->cs_change; dws->len = dws->cur_transfer->len; if (chip != dws->prev_chip) cs_change = 1; @@ -620,9 +619,11 @@ static int dw_spi_setup(struct spi_device *spi) /* Only alloc on first setup */ chip = spi_get_ctldata(spi); if (!chip) { - chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL); + chip = devm_kzalloc(&spi->dev, sizeof(struct chip_data), + GFP_KERNEL); if (!chip) return -ENOMEM; + spi_set_ctldata(spi, chip); } /* @@ -667,7 +668,6 @@ static int dw_spi_setup(struct spi_device *spi) | (spi->mode << SPI_MODE_OFFSET) | (chip->tmode << SPI_TMOD_OFFSET); - spi_set_ctldata(spi, chip); return 0; } @@ -776,18 +776,16 @@ static void spi_hw_init(struct dw_spi *dws) } } -int dw_spi_add_host(struct dw_spi *dws) +int dw_spi_add_host(struct device *dev, struct dw_spi *dws) { struct spi_master *master; int ret; BUG_ON(dws == NULL); - master = spi_alloc_master(dws->parent_dev, 0); - if (!master) { - ret = -ENOMEM; - goto exit; - } + master = spi_alloc_master(dev, 0); + if (!master) + return -ENOMEM; dws->master = master; dws->type = SSI_MOTO_SPI; @@ -797,7 +795,7 @@ int dw_spi_add_host(struct dw_spi *dws) snprintf(dws->name, sizeof(dws->name), "dw_spi%d", dws->bus_num); - ret = request_irq(dws->irq, dw_spi_irq, IRQF_SHARED, + ret = devm_request_irq(dev, dws->irq, dw_spi_irq, IRQF_SHARED, dws->name, dws); if (ret < 0) { dev_err(&master->dev, "can not get IRQ\n"); @@ -836,7 +834,7 @@ int dw_spi_add_host(struct dw_spi *dws) } spi_master_set_devdata(master, dws); - ret = spi_register_master(master); + ret = devm_spi_register_master(dev, master); if (ret) { dev_err(&master->dev, "problem registering spi master\n"); goto err_queue_alloc; @@ -851,10 +849,8 @@ err_queue_alloc: dws->dma_ops->dma_exit(dws); err_diable_hw: spi_enable_chip(dws, 0); - free_irq(dws->irq, dws); err_free_master: spi_master_put(master); -exit: return ret; } EXPORT_SYMBOL_GPL(dw_spi_add_host); @@ -878,10 +874,6 @@ void dw_spi_remove_host(struct dw_spi *dws) spi_enable_chip(dws, 0); /* Disable clk */ spi_set_clk(dws, 0); - free_irq(dws->irq, dws); - - /* Disconnect from the SPI framework */ - spi_unregister_master(dws->master); } EXPORT_SYMBOL_GPL(dw_spi_remove_host); |