From mboxrd@z Thu Jan 1 00:00:00 1970 From: rogerq@ti.com (Roger Quadros) Date: Thu, 17 Jan 2013 11:12:20 +0200 Subject: [PATCH v6 03/22] mfd: omap-usb-tll: Use devm_kzalloc/ioremap and clean up error path In-Reply-To: <50F70164.3080105@mvista.com> References: <1358347433-329-1-git-send-email-rogerq@ti.com> <1358347433-329-4-git-send-email-rogerq@ti.com> <50F70164.3080105@mvista.com> Message-ID: <50F7C074.5070803@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/16/2013 09:37 PM, Sergei Shtylyov wrote: > 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 >> --- >> 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. > I changed it deliberately to ENOMEM, as I could not find EADDRNOTAVAIL defined in all architectures. ENOMEM shouldn't harm. cheers, -roger