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SubjectRe: [PATCH 25/33] spi: Convert to devm_ioremap_resource()
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On Mon, 21 Jan 2013 11:09:18 +0100, Thierry Reding <thierry.reding@avionic-design.de> wrote:
> Convert all uses of devm_request_and_ioremap() to the newly introduced
> devm_ioremap_resource() which provides more consistent error handling.
>
> devm_ioremap_resource() provides its own error messages so all explicit
> error messages can be removed from the failure code paths.
>
> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
> Cc: Grant Likely <grant.likely@secretlab.ca>
> Cc: spi-devel-general@lists.sourceforge.net

Looks fine by me. Go ahead and merge with the rest of the series.

Acked-by: Grant Likely <grant.likely@secretlab.ca>

> ---
> drivers/spi/spi-ep93xx.c | 7 +++----
> drivers/spi/spi-mxs.c | 6 +++---
> drivers/spi/spi-omap2-mcspi.c | 7 +++----
> drivers/spi/spi-s3c64xx.c | 7 +++----
> drivers/spi/spi-sirf.c | 7 +++----
> drivers/spi/spi-tegra20-sflash.c | 8 +++-----
> drivers/spi/spi-tegra20-slink.c | 8 +++-----
> 7 files changed, 21 insertions(+), 29 deletions(-)
>
> diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c
> index acb1e19..2e31f32 100644
> --- a/drivers/spi/spi-ep93xx.c
> +++ b/drivers/spi/spi-ep93xx.c
> @@ -1085,10 +1085,9 @@ static int ep93xx_spi_probe(struct platform_device *pdev)
>
> espi->sspdr_phys = res->start + SSPDR;
>
> - espi->regs_base = devm_request_and_ioremap(&pdev->dev, res);
> - if (!espi->regs_base) {
> - dev_err(&pdev->dev, "failed to map resources\n");
> - error = -ENODEV;
> + espi->regs_base = devm_ioremap_resource(&pdev->dev, res);
> + if (IS_ERR(espi->regs_base)) {
> + error = PTR_ERR(espi->regs_base);
> goto fail_put_clock;
> }
>
> diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
> index a3ede24..b735988 100644
> --- a/drivers/spi/spi-mxs.c
> +++ b/drivers/spi/spi-mxs.c
> @@ -538,9 +538,9 @@ static int mxs_spi_probe(struct platform_device *pdev)
> if (!iores || irq_err < 0 || irq_dma < 0)
> return -EINVAL;
>
> - base = devm_request_and_ioremap(&pdev->dev, iores);
> - if (!base)
> - return -EADDRNOTAVAIL;
> + base = devm_ioremap_resource(&pdev->dev, iores);
> + if (IS_ERR(base))
> + return PTR_ERR(base);
>
> pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
> if (IS_ERR(pinctrl))
> diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
> index b610f52..71a9482 100644
> --- a/drivers/spi/spi-omap2-mcspi.c
> +++ b/drivers/spi/spi-omap2-mcspi.c
> @@ -1204,10 +1204,9 @@ static int omap2_mcspi_probe(struct platform_device *pdev)
> r->end += regs_offset;
> mcspi->phys = r->start;
>
> - mcspi->base = devm_request_and_ioremap(&pdev->dev, r);
> - if (!mcspi->base) {
> - dev_dbg(&pdev->dev, "can't ioremap MCSPI\n");
> - status = -ENOMEM;
> + mcspi->base = devm_ioremap_resource(&pdev->dev, r);
> + if (IS_ERR(mcspi->base)) {
> + status = PTR_ERR(mcspi->base);
> goto free_master;
> }
>
> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
> index ad93231..3d4a7c4 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -1276,10 +1276,9 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
> /* the spi->mode bits understood by this driver: */
> master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
>
> - sdd->regs = devm_request_and_ioremap(&pdev->dev, mem_res);
> - if (sdd->regs == NULL) {
> - dev_err(&pdev->dev, "Unable to remap IO\n");
> - ret = -ENXIO;
> + sdd->regs = devm_ioremap_resource(&pdev->dev, mem_res);
> + if (IS_ERR(sdd->regs)) {
> + ret = PTR_ERR(sdd->regs);
> goto err1;
> }
>
> diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c
> index e0f43a5..78c8842 100644
> --- a/drivers/spi/spi-sirf.c
> +++ b/drivers/spi/spi-sirf.c
> @@ -535,10 +535,9 @@ static int spi_sirfsoc_probe(struct platform_device *pdev)
> }
> }
>
> - sspi->base = devm_request_and_ioremap(&pdev->dev, mem_res);
> - if (!sspi->base) {
> - dev_err(&pdev->dev, "IO remap failed!\n");
> - ret = -ENOMEM;
> + sspi->base = devm_ioremap_resource(&pdev->dev, mem_res);
> + if (IS_ERR(sspi->base)) {
> + ret = PTR_ERR(sspi->base);
> goto free_master;
> }
>
> diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c
> index 448a8cc..69c9d23 100644
> --- a/drivers/spi/spi-tegra20-sflash.c
> +++ b/drivers/spi/spi-tegra20-sflash.c
> @@ -508,11 +508,9 @@ static int tegra_sflash_probe(struct platform_device *pdev)
> ret = -ENODEV;
> goto exit_free_master;
> }
> - tsd->base = devm_request_and_ioremap(&pdev->dev, r);
> - if (!tsd->base) {
> - dev_err(&pdev->dev,
> - "Cannot request memregion/iomap dma address\n");
> - ret = -EADDRNOTAVAIL;
> + tsd->base = devm_ioremap_resource(&pdev->dev, r);
> + if (IS_ERR(tsd->base)) {
> + ret = PTR_ERR(tsd->base);
> goto exit_free_master;
> }
>
> diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
> index 651167f..96bd6c2 100644
> --- a/drivers/spi/spi-tegra20-slink.c
> +++ b/drivers/spi/spi-tegra20-slink.c
> @@ -1172,11 +1172,9 @@ static int tegra_slink_probe(struct platform_device *pdev)
> goto exit_free_master;
> }
> tspi->phys = r->start;
> - tspi->base = devm_request_and_ioremap(&pdev->dev, r);
> - if (!tspi->base) {
> - dev_err(&pdev->dev,
> - "Cannot request memregion/iomap dma address\n");
> - ret = -EADDRNOTAVAIL;
> + tspi->base = devm_ioremap_resource(&pdev->dev, r);
> + if (IS_ERR(tspi->base)) {
> + ret = PTR_ERR(tspi->base);
> goto exit_free_master;
> }
>
> --
> 1.8.1.1
>

--
Grant Likely, B.Sc, P.Eng.
Secret Lab Technologies, Ltd.


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