On Mon, 27 Apr 2015, Ivan T. Ivanov wrote:
> This reverts commit 70843f623b58 ("usb: host: ehci-msm: Use
> devm_ioremap_resource instead of devm_ioremap") and commit
> e507bf577e5a ("host: ehci-msm: remove duplicate check on resource"),
> because msm_otg and this driver are using same address space to
> access AHB mode and USB command registers.
>
> Cc: Vivek Gautam <gautam.vi...@samsung.com>
> Signed-off-by: Ivan T. Ivanov <ivan.iva...@linaro.org>
> ---
>
> Changes since v0:
>
> * Add note to patch description that also commit e507bf577e5a is reverted.
>
> drivers/usb/host/ehci-msm.c | 13 ++++++++++---
> 1 file changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c
> index 9db74ca..275c92e 100644
> --- a/drivers/usb/host/ehci-msm.c
> +++ b/drivers/usb/host/ehci-msm.c
> @@ -88,13 +88,20 @@ static int ehci_msm_probe(struct platform_device *pdev)
> }
>
> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - hcd->regs = devm_ioremap_resource(&pdev->dev, res);
> - if (IS_ERR(hcd->regs)) {
> - ret = PTR_ERR(hcd->regs);
> + if (!res) {
> + dev_err(&pdev->dev, "Unable to get memory resource\n");
> + ret = -ENODEV;
> goto put_hcd;
> }
> +
> hcd->rsrc_start = res->start;
> hcd->rsrc_len = resource_size(res);
> + hcd->regs = devm_ioremap(&pdev->dev, hcd->rsrc_start, hcd->rsrc_len);
> + if (!hcd->regs) {
> + dev_err(&pdev->dev, "ioremap failed\n");
> + ret = -ENOMEM;
> + goto put_hcd;
> + }
>
> /*
> * OTG driver takes care of PHY initialization, clock management,
> --
> 1.9.1
Acked-by: Alan Stern <st...@rowland.harvard.edu>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
