hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

spi: atmel: prepare clk before calling enable 

Replace clk_enable/disable with clk_prepare_enable/disable_unprepare to
avoid common clk framework warnings.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Boris BREZILLON 2013-07-16 17:16:22 +02:00 committed by Mark Brown
parent ad81f0545e
commit dfec4a6e42
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/spi/spi-atmel.c
View File

@ -1579,7 +1579,9 @@ 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 +1611,7 @@ 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 +1663,7 @@ 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 +1680,7 @@ 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 +1689,7 @@ 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;
}