Re: [PATCH v6 03/22] mfd: omap-usb-tll: Use devm_kzalloc/ioremapand clean up error path

From: Sergei Shtylyov
Date: Wed Jan 16 2013 - 13:38:45 EST


Hello.

On 01/16/2013 05:43 PM, Roger Quadros wrote:

> Use devm_ variants of kzalloc() and ioremap(). Simplify the error path.

> Signed-off-by: Roger Quadros <rogerq@xxxxxx>
> ---
> drivers/mfd/omap-usb-tll.c | 36 +++++++++++-------------------------
> 1 files changed, 11 insertions(+), 25 deletions(-)

> diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c
> index 9658e18..53ed10b 100644
> --- a/drivers/mfd/omap-usb-tll.c
> +++ b/drivers/mfd/omap-usb-tll.c
[...]
> - base = ioremap(res->start, resource_size(res));
> + base = devm_request_and_ioremap(dev, res);
> if (!base) {
> - dev_err(dev, "TLL ioremap failed\n");
> ret = -ENOMEM;

-EADDRNOTAVAIL as the comment to devm_request_and_ioremap() suggests.

> - goto err_usbtll_p2_fck;
> + dev_err(dev, "Resource request/ioremap failed:%d\n", ret);
> + goto err_res;
> }

WBR, Sergei

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