From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Delvare Subject: Re: [PATCH] drivers/i2c: Correct use of request_region/request_mem_region Date: Sat, 12 Sep 2009 18:04:25 +0200 Message-ID: <20090912180425.6dbf339d@hyperion.delvare> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Vitaly Wool Cc: Julia Lawall , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org List-Id: linux-i2c@vger.kernel.org On Sun, 9 Aug 2009 15:06:43 +0200 (CEST), Julia Lawall wrote: > From: Julia Lawall > > request_mem_region should be used when ioremap is used subsequently. > release_region is then correspondingly replaced by release_mem_region. > (...) > Signed-off-by: Julia Lawall > > --- > drivers/i2c/busses/i2c-pnx.c | 7 ++++--- > 1 files changed, 4 insertions(+), 3 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c > index ec15cff..6ff6c20 100644 > --- a/drivers/i2c/busses/i2c-pnx.c > +++ b/drivers/i2c/busses/i2c-pnx.c > @@ -586,7 +586,8 @@ static int __devinit i2c_pnx_probe(struct platform_device *pdev) > alg_data->mif.timer.data = (unsigned long)i2c_pnx->adapter; > > /* Register I/O resource */ > - if (!request_region(alg_data->base, I2C_PNX_REGION_SIZE, pdev->name)) { > + if (!request_mem_region(alg_data->base, I2C_PNX_REGION_SIZE, > + pdev->name)) { > dev_err(&pdev->dev, > "I/O region 0x%08x for I2C already in use.\n", > alg_data->base); > @@ -650,7 +651,7 @@ out_clock: > out_unmap: > iounmap((void *)alg_data->ioaddr); > out_release: > - release_region(alg_data->base, I2C_PNX_REGION_SIZE); > + release_mem_region(alg_data->base, I2C_PNX_REGION_SIZE); > out_drvdata: > platform_set_drvdata(pdev, NULL); > out: > @@ -667,7 +668,7 @@ static int __devexit i2c_pnx_remove(struct platform_device *pdev) > i2c_del_adapter(adap); > i2c_pnx->set_clock_stop(pdev); > iounmap((void *)alg_data->ioaddr); > - release_region(alg_data->base, I2C_PNX_REGION_SIZE); > + release_mem_region(alg_data->base, I2C_PNX_REGION_SIZE); > platform_set_drvdata(pdev, NULL); > > return 0; Vitaly, can you please ack this change? -- Jean Delvare