diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-dw-core.c | 2 | ||||
| -rw-r--r-- | drivers/spi/spi-dw-dma.c | 3 | ||||
| -rw-r--r-- | drivers/spi/spi-rzv2h-rspi.c | 4 | ||||
| -rw-r--r-- | drivers/spi/spi-sh-msiof.c | 10 | ||||
| -rw-r--r-- | drivers/spi/spi.c | 3 |
5 files changed, 14 insertions, 8 deletions
diff --git a/drivers/spi/spi-dw-core.c b/drivers/spi/spi-dw-core.c index eff08461c2f5..ad8aad958c76 100644 --- a/drivers/spi/spi-dw-core.c +++ b/drivers/spi/spi-dw-core.c @@ -949,7 +949,7 @@ int dw_spi_add_controller(struct device *dev, struct dw_spi *dws) ret = request_irq(dws->irq, dw_spi_irq, IRQF_SHARED, dev_name(dev), ctlr); if (ret < 0 && ret != -ENOTCONN) { - dev_err(dev, "can not get IRQ\n"); + dev_err(dev, "can not request IRQ\n"); goto err_free_ctlr; } diff --git a/drivers/spi/spi-dw-dma.c b/drivers/spi/spi-dw-dma.c index fe726b9b1780..bd70a7ed8067 100644 --- a/drivers/spi/spi-dw-dma.c +++ b/drivers/spi/spi-dw-dma.c @@ -247,11 +247,12 @@ static bool dw_spi_can_dma(struct spi_controller *ctlr, { struct dw_spi *dws = spi_controller_get_devdata(ctlr); enum dma_slave_buswidth dma_bus_width; + u8 n_bytes = roundup_pow_of_two(BITS_TO_BYTES(xfer->bits_per_word)); if (xfer->len <= dws->fifo_len) return false; - dma_bus_width = dw_spi_dma_convert_width(dws->n_bytes); + dma_bus_width = dw_spi_dma_convert_width(n_bytes); return dws->dma_addr_widths & BIT(dma_bus_width); } diff --git a/drivers/spi/spi-rzv2h-rspi.c b/drivers/spi/spi-rzv2h-rspi.c index 0738d448160d..daa4239b0fe0 100644 --- a/drivers/spi/spi-rzv2h-rspi.c +++ b/drivers/spi/spi-rzv2h-rspi.c @@ -366,14 +366,14 @@ static int rzv2h_rspi_transfer_dma(struct rzv2h_rspi_priv *rspi, rzv2h_rspi_clear_all_irqs(rspi); ret = wait_event_interruptible_timeout(rspi->wait, rspi->dma_callbacked, HZ); - if (ret) { + if (ret > 0) { dmaengine_synchronize(rspi->controller->dma_tx); dmaengine_synchronize(rspi->controller->dma_rx); ret = 0; } else { dmaengine_terminate_sync(rspi->controller->dma_tx); dmaengine_terminate_sync(rspi->controller->dma_rx); - ret = -ETIMEDOUT; + ret = ret ?: -ETIMEDOUT; } enable_irq(rspi->irq_rx); diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index f23db85a1889..1aeab7ec0bc8 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -114,7 +114,7 @@ static irqreturn_t sh_msiof_spi_irq(int irq, void *data) return IRQ_HANDLED; } -static void sh_msiof_spi_reset_regs(struct sh_msiof_spi_priv *p) +static int sh_msiof_spi_reset_regs(struct sh_msiof_spi_priv *p) { u32 mask = SICTR_TXRST | SICTR_RXRST; u32 data; @@ -123,8 +123,8 @@ static void sh_msiof_spi_reset_regs(struct sh_msiof_spi_priv *p) data |= mask; sh_msiof_write(p, SICTR, data); - readl_poll_timeout_atomic(p->mapbase + SICTR, data, !(data & mask), 1, - 100); + return readl_poll_timeout_atomic(p->mapbase + SICTR, data, + !(data & mask), 1, 100); } static void sh_msiof_spi_set_clk_regs(struct sh_msiof_spi_priv *p, @@ -834,7 +834,9 @@ static int sh_msiof_transfer_one(struct spi_controller *ctlr, int ret; /* reset registers */ - sh_msiof_spi_reset_regs(p); + ret = sh_msiof_spi_reset_regs(p); + if (ret) + return ret; /* setup clocks (clock already enabled in chipselect()) */ if (!spi_controller_is_target(p->ctlr)) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 70f050ebbc4f..d9e6b4b87c89 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -3670,6 +3670,9 @@ int spi_controller_suspend(struct spi_controller *ctlr) { int ret = 0; + if (ctlr->cur_msg && spi_controller_is_target(ctlr) && ctlr->target_abort) + ctlr->target_abort(ctlr); + /* Basically no-ops for non-queued controllers */ if (ctlr->queued) { ret = spi_stop_queue(ctlr); |