diff options
Diffstat (limited to 'drivers/tty/serial/msm_serial_hs.c')
| -rw-r--r-- | drivers/tty/serial/msm_serial_hs.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/tty/serial/msm_serial_hs.c b/drivers/tty/serial/msm_serial_hs.c index 60c6eb85026..5e85e1e14c4 100644 --- a/drivers/tty/serial/msm_serial_hs.c +++ b/drivers/tty/serial/msm_serial_hs.c @@ -422,9 +422,9 @@ static int __devexit msm_hs_remove(struct platform_device *pdev) msm_uport->rx.rbuffer); dma_pool_destroy(msm_uport->rx.pool); - dma_unmap_single(dev, msm_uport->rx.cmdptr_dmaaddr, sizeof(u32 *), + dma_unmap_single(dev, msm_uport->rx.cmdptr_dmaaddr, sizeof(u32), DMA_TO_DEVICE); - dma_unmap_single(dev, msm_uport->tx.mapped_cmd_ptr_ptr, sizeof(u32 *), + dma_unmap_single(dev, msm_uport->tx.mapped_cmd_ptr_ptr, sizeof(u32), DMA_TO_DEVICE); dma_unmap_single(dev, msm_uport->tx.mapped_cmd_ptr, sizeof(dmov_box), DMA_TO_DEVICE); @@ -812,7 +812,7 @@ static void msm_hs_submit_tx_locked(struct uart_port *uport) *tx->command_ptr_ptr = CMD_PTR_LP | DMOV_CMD_ADDR(tx->mapped_cmd_ptr); dma_sync_single_for_device(uport->dev, tx->mapped_cmd_ptr_ptr, - sizeof(u32 *), DMA_TO_DEVICE); + sizeof(u32), DMA_TO_DEVICE); /* Save tx_count to use in Callback */ tx->tx_count = tx_count; @@ -1087,12 +1087,10 @@ static void msm_hs_config_port(struct uart_port *uport, int cfg_flags) } /* Handle CTS changes (Called from interrupt handler) */ -static void msm_hs_handle_delta_cts(struct uart_port *uport) +static void msm_hs_handle_delta_cts_locked(struct uart_port *uport) { - unsigned long flags; struct msm_hs_port *msm_uport = UARTDM_TO_MSM(uport); - spin_lock_irqsave(&uport->lock, flags); clk_enable(msm_uport->clk); /* clear interrupt */ @@ -1100,7 +1098,6 @@ static void msm_hs_handle_delta_cts(struct uart_port *uport) uport->icount.cts++; clk_disable(msm_uport->clk); - spin_unlock_irqrestore(&uport->lock, flags); /* clear the IOCTL TIOCMIWAIT if called */ wake_up_interruptible(&uport->state->port.delta_msr_wait); @@ -1248,7 +1245,7 @@ static irqreturn_t msm_hs_isr(int irq, void *dev) /* Change in CTS interrupt */ if (isr_status & UARTDM_ISR_DELTA_CTS_BMSK) - msm_hs_handle_delta_cts(uport); + msm_hs_handle_delta_cts_locked(uport); spin_unlock_irqrestore(&uport->lock, flags); @@ -1537,7 +1534,7 @@ static int __devinit uartdm_init_port(struct uart_port *uport) if (!tx->command_ptr) return -ENOMEM; - tx->command_ptr_ptr = kmalloc(sizeof(u32 *), GFP_KERNEL | __GFP_DMA); + tx->command_ptr_ptr = kmalloc(sizeof(u32), GFP_KERNEL | __GFP_DMA); if (!tx->command_ptr_ptr) { ret = -ENOMEM; goto err_tx_command_ptr_ptr; @@ -1547,7 +1544,7 @@ static int __devinit uartdm_init_port(struct uart_port *uport) sizeof(dmov_box), DMA_TO_DEVICE); tx->mapped_cmd_ptr_ptr = dma_map_single(uport->dev, tx->command_ptr_ptr, - sizeof(u32 *), DMA_TO_DEVICE); + sizeof(u32), DMA_TO_DEVICE); tx->xfer.cmdptr = DMOV_CMD_ADDR(tx->mapped_cmd_ptr_ptr); init_waitqueue_head(&rx->wait); @@ -1575,7 +1572,7 @@ static int __devinit uartdm_init_port(struct uart_port *uport) goto err_rx_command_ptr; } - rx->command_ptr_ptr = kmalloc(sizeof(u32 *), GFP_KERNEL | __GFP_DMA); + rx->command_ptr_ptr = kmalloc(sizeof(u32), GFP_KERNEL | __GFP_DMA); if (!rx->command_ptr_ptr) { pr_err("%s(): cannot allocate rx->command_ptr_ptr", __func__); ret = -ENOMEM; @@ -1593,7 +1590,7 @@ static int __devinit uartdm_init_port(struct uart_port *uport) *rx->command_ptr_ptr = CMD_PTR_LP | DMOV_CMD_ADDR(rx->mapped_cmd_ptr); rx->cmdptr_dmaaddr = dma_map_single(uport->dev, rx->command_ptr_ptr, - sizeof(u32 *), DMA_TO_DEVICE); + sizeof(u32), DMA_TO_DEVICE); rx->xfer.cmdptr = DMOV_CMD_ADDR(rx->cmdptr_dmaaddr); INIT_WORK(&rx->tty_work, msm_hs_tty_flip_buffer_work); @@ -1609,7 +1606,7 @@ err_dma_pool_alloc: dma_pool_destroy(msm_uport->rx.pool); err_dma_pool_create: dma_unmap_single(uport->dev, msm_uport->tx.mapped_cmd_ptr_ptr, - sizeof(u32 *), DMA_TO_DEVICE); + sizeof(u32), DMA_TO_DEVICE); dma_unmap_single(uport->dev, msm_uport->tx.mapped_cmd_ptr, sizeof(dmov_box), DMA_TO_DEVICE); kfree(msm_uport->tx.command_ptr_ptr); |