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Date: Fri, 10 Jun 2011 23:48:32 -0600
From: Grant Likely <grant.likely@...retlab.ca>
To: Joe Perches <joe@...ches.com>
Cc: Jiri Kosina <jkosina@...e.cz>,
spi-devel-general@...ts.sourceforge.net,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] spi: Convert uses of struct resource * to
resource_size(ptr)
On Fri, Jun 10, 2011 at 06:11:25PM -0700, Joe Perches wrote:
> Done via coccinelle scripts like:
>
> @@
> struct resource *ptr;
> @@
>
> - ptr->end - ptr->start + 1
> + resource_size(ptr)
>
> and some grep and typing.
>
> Mostly uncompiled, no cross-compilers.
>
> Signed-off-by: Joe Perches <joe@...ches.com>
I've put it in my tree, we'll see how it shakes out.
g.
>
> ---
>
> This is a remainder patch for files that
> have been moved around since 3.0-rc1
>
> Jiri Kosina has picked up the majority of
> these conversions via the trivial tree.
>
> drivers/spi/spi-ath79.c | 2 +-
> drivers/spi/spi-omap2-mcspi.c | 10 +++++-----
> drivers/spi/spi-orion.c | 6 +++---
> drivers/spi/spi-ppc4xx.c | 2 +-
> drivers/spi/spi-tegra.c | 8 ++++----
> 5 files changed, 14 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
> index fcff810..03019bf 100644
> --- a/drivers/spi/spi-ath79.c
> +++ b/drivers/spi/spi-ath79.c
> @@ -232,7 +232,7 @@ static __devinit int ath79_spi_probe(struct platform_device *pdev)
> goto err_put_master;
> }
>
> - sp->base = ioremap(r->start, r->end - r->start + 1);
> + sp->base = ioremap(r->start, resource_size(r));
> if (!sp->base) {
> ret = -ENXIO;
> goto err_put_master;
> diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
> index 969cdd2..fde3a2d 100644
> --- a/drivers/spi/spi-omap2-mcspi.c
> +++ b/drivers/spi/spi-omap2-mcspi.c
> @@ -1116,8 +1116,8 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
> status = -ENODEV;
> goto err1;
> }
> - if (!request_mem_region(r->start, (r->end - r->start) + 1,
> - dev_name(&pdev->dev))) {
> + if (!request_mem_region(r->start, resource_size(r),
> + dev_name(&pdev->dev))) {
> status = -EBUSY;
> goto err1;
> }
> @@ -1125,7 +1125,7 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
> r->start += pdata->regs_offset;
> r->end += pdata->regs_offset;
> mcspi->phys = r->start;
> - mcspi->base = ioremap(r->start, r->end - r->start + 1);
> + mcspi->base = ioremap(r->start, resource_size(r));
> if (!mcspi->base) {
> dev_dbg(&pdev->dev, "can't ioremap MCSPI\n");
> status = -ENOMEM;
> @@ -1190,7 +1190,7 @@ err4:
> err3:
> kfree(mcspi->dma_channels);
> err2:
> - release_mem_region(r->start, (r->end - r->start) + 1);
> + release_mem_region(r->start, resource_size(r));
> iounmap(mcspi->base);
> err1:
> return status;
> @@ -1210,7 +1210,7 @@ static int __exit omap2_mcspi_remove(struct platform_device *pdev)
>
> omap2_mcspi_disable_clocks(mcspi);
> r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - release_mem_region(r->start, (r->end - r->start) + 1);
> + release_mem_region(r->start, resource_size(r));
>
> base = mcspi->base;
> spi_unregister_master(master);
> diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
> index d482628..9421a39 100644
> --- a/drivers/spi/spi-orion.c
> +++ b/drivers/spi/spi-orion.c
> @@ -489,7 +489,7 @@ static int __init orion_spi_probe(struct platform_device *pdev)
> goto out;
> }
>
> - if (!request_mem_region(r->start, (r->end - r->start) + 1,
> + if (!request_mem_region(r->start, resource_size(r),
> dev_name(&pdev->dev))) {
> status = -EBUSY;
> goto out;
> @@ -511,7 +511,7 @@ static int __init orion_spi_probe(struct platform_device *pdev)
> return status;
>
> out_rel_mem:
> - release_mem_region(r->start, (r->end - r->start) + 1);
> + release_mem_region(r->start, resource_size(r));
>
> out:
> spi_master_put(master);
> @@ -531,7 +531,7 @@ static int __exit orion_spi_remove(struct platform_device *pdev)
> cancel_work_sync(&spi->work);
>
> r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - release_mem_region(r->start, (r->end - r->start) + 1);
> + release_mem_region(r->start, resource_size(r));
>
> spi_unregister_master(master);
>
> diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c
> index 2a298c0..b267fd9 100644
> --- a/drivers/spi/spi-ppc4xx.c
> +++ b/drivers/spi/spi-ppc4xx.c
> @@ -502,7 +502,7 @@ static int __init spi_ppc4xx_of_probe(struct platform_device *op)
> goto free_gpios;
> }
> hw->mapbase = resource.start;
> - hw->mapsize = resource.end - resource.start + 1;
> + hw->mapsize = resource_size(&resource);
>
> /* Sanity check */
> if (hw->mapsize < sizeof(struct spi_ppc4xx_regs)) {
> diff --git a/drivers/spi/spi-tegra.c b/drivers/spi/spi-tegra.c
> index 6c3aa6e..8e30727 100644
> --- a/drivers/spi/spi-tegra.c
> +++ b/drivers/spi/spi-tegra.c
> @@ -498,14 +498,14 @@ static int __init spi_tegra_probe(struct platform_device *pdev)
> goto err0;
> }
>
> - if (!request_mem_region(r->start, (r->end - r->start) + 1,
> + if (!request_mem_region(r->start, resource_size(r),
> dev_name(&pdev->dev))) {
> ret = -EBUSY;
> goto err0;
> }
>
> tspi->phys = r->start;
> - tspi->base = ioremap(r->start, r->end - r->start + 1);
> + tspi->base = ioremap(r->start, resource_size(r));
> if (!tspi->base) {
> dev_err(&pdev->dev, "can't ioremap iomem\n");
> ret = -ENOMEM;
> @@ -563,7 +563,7 @@ err3:
> err2:
> iounmap(tspi->base);
> err1:
> - release_mem_region(r->start, (r->end - r->start) + 1);
> + release_mem_region(r->start, resource_size(r));
> err0:
> spi_master_put(master);
> return ret;
> @@ -588,7 +588,7 @@ static int __devexit spi_tegra_remove(struct platform_device *pdev)
> iounmap(tspi->base);
>
> r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - release_mem_region(r->start, (r->end - r->start) + 1);
> + release_mem_region(r->start, resource_size(r));
>
> return 0;
> }
> --
> 1.7.6.rc1
>
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