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Merge remote-tracking branch 'spi/topic/atmel' into spi-next

This commit is contained in:
Mark Brown 2013-09-01 13:48:43 +01:00
parent f073d37de0 2de024b766
commit 5264af0ca6
1 changed files with 20 additions and 16 deletions
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36
drivers/spi/spi-atmel.c
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@ -360,12 +360,12 @@ static void cs_deactivate(struct atmel_spi *as, struct spi_device *spi)
gpio_set_value(asd->npcs_pin, !active);
}
static void atmel_spi_lock(struct atmel_spi *as)
static void atmel_spi_lock(struct atmel_spi *as) __acquires(&as->lock)
{
spin_lock_irqsave(&as->lock, as->flags);
}
static void atmel_spi_unlock(struct atmel_spi *as)
static void atmel_spi_unlock(struct atmel_spi *as) __releases(&as->lock)
{
spin_unlock_irqrestore(&as->lock, as->flags);
}
@ -629,9 +629,9 @@ static int atmel_spi_next_xfer_dma_submit(struct spi_master *master,
goto err_dma;
dev_dbg(master->dev.parent,
" start dma xfer %p: len %u tx %p/%08x rx %p/%08x\n",
xfer, xfer->len, xfer->tx_buf, xfer->tx_dma,
xfer->rx_buf, xfer->rx_dma);
" start dma xfer %p: len %u tx %p/%08llx rx %p/%08llx\n",
xfer, xfer->len, xfer->tx_buf, (unsigned long long)xfer->tx_dma,
xfer->rx_buf, (unsigned long long)xfer->rx_dma);
/* Enable relevant interrupts */
spi_writel(as, IER, SPI_BIT(OVRES));
@ -732,9 +732,10 @@ static void atmel_spi_pdc_next_xfer(struct spi_master *master,
spi_writel(as, TCR, len);
dev_dbg(&msg->spi->dev,
" start xfer %p: len %u tx %p/%08x rx %p/%08x\n",
xfer, xfer->len, xfer->tx_buf, xfer->tx_dma,
xfer->rx_buf, xfer->rx_dma);
" start xfer %p: len %u tx %p/%08llx rx %p/%08llx\n",
xfer, xfer->len, xfer->tx_buf,
(unsigned long long)xfer->tx_dma, xfer->rx_buf,
(unsigned long long)xfer->rx_dma);
} else {
xfer = as->next_transfer;
remaining = as->next_remaining_bytes;
@ -771,9 +772,10 @@ static void atmel_spi_pdc_next_xfer(struct spi_master *master,
spi_writel(as, TNCR, len);
dev_dbg(&msg->spi->dev,
" next xfer %p: len %u tx %p/%08x rx %p/%08x\n",
xfer, xfer->len, xfer->tx_buf, xfer->tx_dma,
xfer->rx_buf, xfer->rx_dma);
" next xfer %p: len %u tx %p/%08llx rx %p/%08llx\n",
xfer, xfer->len, xfer->tx_buf,
(unsigned long long)xfer->tx_dma, xfer->rx_buf,
(unsigned long long)xfer->rx_dma);
ieval = SPI_BIT(ENDRX) | SPI_BIT(OVRES);
} else {
spi_writel(as, RNCR, 0);
@ -1579,7 +1581,9 @@ static int atmel_spi_probe(struct platform_device *pdev)
goto out_unmap_regs;
/* Initialize the hardware */
clk_enable(clk);
ret = clk_prepare_enable(clk);
if (ret)
goto out_unmap_regs;
spi_writel(as, CR, SPI_BIT(SWRST));
spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
if (as->caps.has_wdrbt) {
@ -1609,7 +1613,7 @@ out_free_dma:
spi_writel(as, CR, SPI_BIT(SWRST));
spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
clk_disable(clk);
clk_disable_unprepare(clk);
free_irq(irq, master);
out_unmap_regs:
iounmap(as->regs);
@ -1661,7 +1665,7 @@ static int atmel_spi_remove(struct platform_device *pdev)
dma_free_coherent(&pdev->dev, BUFFER_SIZE, as->buffer,
as->buffer_dma);
clk_disable(as->clk);
clk_disable_unprepare(as->clk);
clk_put(as->clk);
free_irq(as->irq, master);
iounmap(as->regs);
@ -1678,7 +1682,7 @@ static int atmel_spi_suspend(struct platform_device *pdev, pm_message_t mesg)
struct spi_master *master = platform_get_drvdata(pdev);
struct atmel_spi *as = spi_master_get_devdata(master);
clk_disable(as->clk);
clk_disable_unprepare(as->clk);
return 0;
}
@ -1687,7 +1691,7 @@ static int atmel_spi_resume(struct platform_device *pdev)
struct spi_master *master = platform_get_drvdata(pdev);
struct atmel_spi *as = spi_master_get_devdata(master);
clk_enable(as->clk);
return clk_prepare_enable(as->clk);
return 0;
}