diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-ti-qspi.c | 15 | ||||
| -rw-r--r-- | drivers/spi/spi-topcliff-pch.c | 31 |
2 files changed, 25 insertions, 21 deletions
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c index 0fefa6423ff4..ad76a44fee6f 100644 --- a/drivers/spi/spi-ti-qspi.c +++ b/drivers/spi/spi-ti-qspi.c @@ -652,7 +652,8 @@ static int ti_qspi_probe(struct platform_device *pdev) r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (r == NULL) { dev_err(&pdev->dev, "missing platform data\n"); - return -ENODEV; + ret = -ENODEV; + goto free_master; } } @@ -669,7 +670,8 @@ static int ti_qspi_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(&pdev->dev, "no irq resource?\n"); - return irq; + ret = irq; + goto free_master; } mutex_init(&qspi->list_lock); @@ -685,15 +687,17 @@ static int ti_qspi_probe(struct platform_device *pdev) qspi->ctrl_base = syscon_regmap_lookup_by_phandle(np, "syscon-chipselects"); - if (IS_ERR(qspi->ctrl_base)) - return PTR_ERR(qspi->ctrl_base); + if (IS_ERR(qspi->ctrl_base)) { + ret = PTR_ERR(qspi->ctrl_base); + goto free_master; + } ret = of_property_read_u32_index(np, "syscon-chipselects", 1, &qspi->ctrl_reg); if (ret) { dev_err(&pdev->dev, "couldn't get ctrl_mod reg index\n"); - return ret; + goto free_master; } } @@ -743,6 +747,7 @@ no_dma: if (!ret) return 0; + pm_runtime_disable(&pdev->dev); free_master: spi_master_put(master); return ret; diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c index fcb991034c3d..97d137591b18 100644 --- a/drivers/spi/spi-topcliff-pch.c +++ b/drivers/spi/spi-topcliff-pch.c @@ -591,7 +591,6 @@ static void pch_spi_set_tx(struct pch_spi_data *data, int *bpw) if (!data->pkt_rx_buff) { /* flush queue and set status of all transfers to -ENOMEM */ - dev_err(&data->master->dev, "%s :kzalloc failed\n", __func__); list_for_each_entry_safe(pmsg, tmp, data->queue.next, queue) { pmsg->status = -ENOMEM; @@ -622,8 +621,9 @@ static void pch_spi_set_tx(struct pch_spi_data *data, int *bpw) if (n_writes > PCH_MAX_FIFO_DEPTH) n_writes = PCH_MAX_FIFO_DEPTH; - dev_dbg(&data->master->dev, "\n%s:Pulling down SSN low - writing " - "0x2 to SSNXCR\n", __func__); + dev_dbg(&data->master->dev, + "\n%s:Pulling down SSN low - writing 0x2 to SSNXCR\n", + __func__); pch_spi_writereg(data->master, PCH_SSNXCR, SSN_LOW); for (j = 0; j < n_writes; j++) @@ -915,7 +915,6 @@ static void pch_spi_release_dma(struct pch_spi_data *data) dma_release_channel(dma->chan_rx); dma->chan_rx = NULL; } - return; } static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw) @@ -1008,7 +1007,7 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw) spin_unlock_irqrestore(&data->lock, flags); /* RX */ - dma->sg_rx_p = kzalloc(sizeof(struct scatterlist)*num, GFP_ATOMIC); + dma->sg_rx_p = kcalloc(num, sizeof(*dma->sg_rx_p), GFP_ATOMIC); sg_init_table(dma->sg_rx_p, num); /* Initialize SG table */ /* offset, length setting */ sg = dma->sg_rx_p; @@ -1068,7 +1067,7 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw) head = 0; } - dma->sg_tx_p = kzalloc(sizeof(struct scatterlist)*num, GFP_ATOMIC); + dma->sg_tx_p = kcalloc(num, sizeof(*dma->sg_tx_p), GFP_ATOMIC); sg_init_table(dma->sg_tx_p, num); /* Initialize SG table */ /* offset, length setting */ sg = dma->sg_tx_p; @@ -1181,14 +1180,16 @@ static void pch_spi_process_messages(struct work_struct *pwork) data->cur_trans = list_entry(data->current_msg->transfers.next, struct spi_transfer, transfer_list); - dev_dbg(&data->master->dev, "%s " - ":Getting 1st transfer message\n", __func__); + dev_dbg(&data->master->dev, + "%s :Getting 1st transfer message\n", + __func__); } else { data->cur_trans = list_entry(data->cur_trans->transfer_list.next, struct spi_transfer, transfer_list); - dev_dbg(&data->master->dev, "%s " - ":Getting next transfer message\n", __func__); + dev_dbg(&data->master->dev, + "%s :Getting next transfer message\n", + __func__); } spin_unlock(&data->lock); @@ -1233,9 +1234,8 @@ static void pch_spi_process_messages(struct work_struct *pwork) /* check for delay */ if (data->cur_trans->delay_usecs) { - dev_dbg(&data->master->dev, "%s:" - "delay in usec=%d\n", __func__, - data->cur_trans->delay_usecs); + dev_dbg(&data->master->dev, "%s:delay in usec=%d\n", + __func__, data->cur_trans->delay_usecs); udelay(data->cur_trans->delay_usecs); } @@ -1292,7 +1292,6 @@ static void pch_free_dma_buf(struct pch_spi_board_data *board_dat, if (dma->rx_buf_dma) dma_free_coherent(&board_dat->pdev->dev, PCH_BUF_SIZE, dma->rx_buf_virt, dma->rx_buf_dma); - return; } static void pch_alloc_dma_buf(struct pch_spi_board_data *board_dat, @@ -1541,11 +1540,11 @@ static int pch_spi_probe(struct pci_dev *pdev, const struct pci_device_id *id) int i; struct pch_pd_dev_save *pd_dev_save; - pd_dev_save = kzalloc(sizeof(struct pch_pd_dev_save), GFP_KERNEL); + pd_dev_save = kzalloc(sizeof(*pd_dev_save), GFP_KERNEL); if (!pd_dev_save) return -ENOMEM; - board_dat = kzalloc(sizeof(struct pch_spi_board_data), GFP_KERNEL); + board_dat = kzalloc(sizeof(*board_dat), GFP_KERNEL); if (!board_dat) { retval = -ENOMEM; goto err_no_mem; |