Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932379Ab3GWKvM (ORCPT ); Tue, 23 Jul 2013 06:51:12 -0400 Received: from moutng.kundenserver.de ([212.227.17.10]:65412 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754247Ab3GWKuQ (ORCPT ); Tue, 23 Jul 2013 06:50:16 -0400 From: Guennadi Liakhovetski To: linux-kernel@vger.kernel.org Cc: Magnus Damm , Simon Horman , Laurent Pinchart , Vinod Koul , linux-sh@vger.kernel.org, Sergei Shtylyov , Guennadi Liakhovetski Subject: [PATCH v4 04/15] DMA: shdma: make a pointer const Date: Tue, 23 Jul 2013 12:49:58 +0200 Message-Id: <1374576609-27748-5-git-send-email-g.liakhovetski@gmx.de> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1374576609-27748-1-git-send-email-g.liakhovetski@gmx.de> References: <1374576609-27748-1-git-send-email-g.liakhovetski@gmx.de> X-Provags-ID: V02:K0:nD+37a10UN5x+Ew4i+S/MWCrr84B36Y8XHTZZbl7laR b+Lwj3nPWbODENekr2n4boLhH0lvOTKItjR320ry1Q7SowlTos NRzIM65ZV4GeTfCK6KIWDmxwbqOzQE4uPc41te2aoKViZESmIO /nHZbtAtPSTKfJKR6scZpi/KAsXxpSk6w9UzNAK+zkk45htpMU jpAjX2hLVRipbb+rGhHp1hByv4Id8Ed4lvPYg+sMSuUowPvhXu yJPtGYuYFqYikB5NUCm9aTOBf8KW8pw9KzZ60Xm46v6++sUr0O Nb2hnJfUIoXQ+bGUnGj7cmIZfTDPVO+P4npLXjUPSTlYYe8f/C 9Te27TpUJlg5mnDByrY/jn8rvuaphphHmfq0hgM2sJPMhSg7U2 D1M2oBIjEDWZA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3080 Lines: 79 Platform data shouldn't be changed at run-time, so, pointers to it should be const. Signed-off-by: Guennadi Liakhovetski --- drivers/dma/sh/shdma.h | 2 +- drivers/dma/sh/shdmac.c | 10 +++++----- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/dma/sh/shdma.h b/drivers/dma/sh/shdma.h index 82a83f8..ae0c65f 100644 --- a/drivers/dma/sh/shdma.h +++ b/drivers/dma/sh/shdma.h @@ -36,7 +36,7 @@ struct sh_dmae_chan { struct sh_dmae_device { struct shdma_dev shdma_dev; struct sh_dmae_chan *chan[SH_DMAE_MAX_CHANNELS]; - struct sh_dmae_pdata *pdata; + const struct sh_dmae_pdata *pdata; struct list_head node; void __iomem *chan_reg; void __iomem *dmars; diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c index 6546bf9..859ddbe 100644 --- a/drivers/dma/sh/shdmac.c +++ b/drivers/dma/sh/shdmac.c @@ -177,7 +177,7 @@ static bool dmae_is_busy(struct sh_dmae_chan *sh_chan) static unsigned int calc_xmit_shift(struct sh_dmae_chan *sh_chan, u32 chcr) { struct sh_dmae_device *shdev = to_sh_dev(sh_chan); - struct sh_dmae_pdata *pdata = shdev->pdata; + const struct sh_dmae_pdata *pdata = shdev->pdata; int cnt = ((chcr & pdata->ts_low_mask) >> pdata->ts_low_shift) | ((chcr & pdata->ts_high_mask) >> pdata->ts_high_shift); @@ -190,7 +190,7 @@ static unsigned int calc_xmit_shift(struct sh_dmae_chan *sh_chan, u32 chcr) static u32 log2size_to_chcr(struct sh_dmae_chan *sh_chan, int l2size) { struct sh_dmae_device *shdev = to_sh_dev(sh_chan); - struct sh_dmae_pdata *pdata = shdev->pdata; + const struct sh_dmae_pdata *pdata = shdev->pdata; int i; for (i = 0; i < pdata->ts_shift_num; i++) @@ -250,7 +250,7 @@ static int dmae_set_chcr(struct sh_dmae_chan *sh_chan, u32 val) static int dmae_set_dmars(struct sh_dmae_chan *sh_chan, u16 val) { struct sh_dmae_device *shdev = to_sh_dev(sh_chan); - struct sh_dmae_pdata *pdata = shdev->pdata; + const struct sh_dmae_pdata *pdata = shdev->pdata; const struct sh_dmae_channel *chan_pdata = &pdata->channel[sh_chan->shdma_chan.id]; void __iomem *addr = shdev->dmars; unsigned int shift = chan_pdata->dmars_bit; @@ -319,7 +319,7 @@ static const struct sh_dmae_slave_config *dmae_find_slave( struct sh_dmae_chan *sh_chan, int match) { struct sh_dmae_device *shdev = to_sh_dev(sh_chan); - struct sh_dmae_pdata *pdata = shdev->pdata; + const struct sh_dmae_pdata *pdata = shdev->pdata; const struct sh_dmae_slave_config *cfg; int i; @@ -665,7 +665,7 @@ static const struct shdma_ops sh_dmae_shdma_ops = { static int sh_dmae_probe(struct platform_device *pdev) { - struct sh_dmae_pdata *pdata; + const struct sh_dmae_pdata *pdata; unsigned long irqflags = IRQF_DISABLED, chan_flag[SH_DMAE_MAX_CHANNELS] = {}; int errirq, chan_irq[SH_DMAE_MAX_CHANNELS]; -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/