From: jg1.han@samsung•com (Jingoo Han)
To: linux-arm-kernel@lists•infradead.org
Subject: [RFC 23/42] drivers/spi: don't check resource with devm_ioremap_resource
Date: Sat, 11 May 2013 14:24:35 +0900 [thread overview]
Message-ID: <002b01ce4e07$d3087ed0$79197c70$@samsung.com> (raw)
In-Reply-To: <1368173847-5661-24-git-send-email-wsa@the-dreams.de>
On Friday, May 10, 2013 5:17 PM, Wolfram Sang wrote:
>
> devm_ioremap_resource does sanity checks on the given resource. No need to
> duplicate this in the driver.
>
> Signed-off-by: Wolfram Sang <wsa@the-dreams•de>
> ---
> drivers/spi/spi-bcm63xx.c | 8 +-------
> drivers/spi/spi-ep93xx.c | 8 +-------
> drivers/spi/spi-omap2-mcspi.c | 7 +------
> drivers/spi/spi-s3c64xx.c | 7 +------
> drivers/spi/spi-sirf.c | 7 +------
> drivers/spi/spi-tegra114.c | 7 +------
> drivers/spi/spi-tegra20-sflash.c | 5 -----
> drivers/spi/spi-tegra20-slink.c | 7 +------
> 8 files changed, 7 insertions(+), 49 deletions(-)
>
[.....]
> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
> index 5000586..fd763cc 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -1243,12 +1243,6 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
> return -ENODEV;
> }
>
> - mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - if (mem_res == NULL) {
> - dev_err(&pdev->dev, "Unable to get SPI MEM resource\n");
> - return -ENXIO;
> - }
> -
It breaks 'sdd->sfr_start' assignment as below:
1272 sdd->sfr_start = mem_res->start;
Best regards,
Jingoo Han
> irq = platform_get_irq(pdev, 0);
> if (irq < 0) {
> dev_warn(&pdev->dev, "Failed to get IRQ: %d\n", irq);
> @@ -1318,6 +1312,7 @@ static int 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;
>
> + mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> sdd->regs = devm_ioremap_resource(&pdev->dev, mem_res);
> if (IS_ERR(sdd->regs)) {
> ret = PTR_ERR(sdd->regs);
next prev parent reply other threads:[~2013-05-11 5:24 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1368173847-5661-1-git-send-email-wsa@the-dreams.de>
[not found] ` <1368173847-5661-19-git-send-email-wsa@the-dreams.de>
2013-05-10 14:30 ` [RFC 18/42] drivers/pinctrl: don't check resource with devm_ioremap_resource Jean-Christophe PLAGNIOL-VILLARD
2013-05-14 12:19 ` Linus Walleij
2013-06-06 8:43 ` Jean-Christophe PLAGNIOL-VILLARD
[not found] ` <1368173847-5661-24-git-send-email-wsa@the-dreams.de>
2013-05-10 10:55 ` [RFC 23/42] drivers/spi: " Mark Brown
2013-05-10 16:37 ` Stephen Warren
2013-05-11 5:24 ` Jingoo Han [this message]
[not found] ` <1368173847-5661-39-git-send-email-wsa@the-dreams.de>
2013-05-10 16:46 ` [RFC 38/42] arch/arm/plat-omap: " Tony Lindgren
[not found] ` <1368173847-5661-40-git-send-email-wsa@the-dreams.de>
2013-05-11 5:15 ` [RFC 39/42] arch/arm/plat-samsung: " Jingoo Han
[not found] ` <1368173847-5661-20-git-send-email-wsa@the-dreams.de>
2013-05-12 15:10 ` [RFC 19/42] drivers/pinctrl/spear: " Viresh Kumar
2013-05-14 12:56 ` Linus Walleij
[not found] ` <1368173847-5661-23-git-send-email-wsa@the-dreams.de>
2013-05-12 15:11 ` [RFC 22/42] drivers/rtc: " Viresh Kumar
[not found] ` <1368173847-5661-21-git-send-email-wsa@the-dreams.de>
2013-05-12 15:12 ` [RFC 20/42] drivers/pwm: " Viresh Kumar
[not found] ` <1368173847-5661-10-git-send-email-wsa@the-dreams.de>
2013-05-11 5:18 ` [RFC 09/42] drivers/i2c/busses: " Jingoo Han
2013-06-04 18:34 ` Kevin Hilman
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