Message ID | 1385512511-10477-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com |
---|---|
State | New, archived |
Headers | show |
On Wed, Nov 27, 2013 at 01:35:11AM +0100, Laurent Pinchart wrote: > Cast pointers to unsigned long instead of unsigned int. This fixes > warnings on platforms where pointers have a different size than int. > > Cc: David Woodhouse <dwmw2@infradead.org> > Cc: linux-mtd@lists.infradead.org > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> > --- > drivers/mtd/nand/sh_flctl.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c > index a3c84eb..b1e2b13 100644 > --- a/drivers/mtd/nand/sh_flctl.c > +++ b/drivers/mtd/nand/sh_flctl.c > @@ -151,7 +151,7 @@ static void flctl_setup_dma(struct sh_flctl *flctl) > dma_cap_set(DMA_SLAVE, mask); > > flctl->chan_fifo0_tx = dma_request_channel(mask, shdma_chan_filter, > - (void *)pdata->slave_id_fifo0_tx); > + (void *)(unsigned long)pdata->slave_id_fifo0_tx); Perhaps the intermediate cast should be for uintptr_t instead of unsigned long, just to be more exact? (I see that uintptr_t is just typedef'd for unsigned long, but it still seems more precise.) > dev_dbg(&pdev->dev, "%s: TX: got channel %p\n", __func__, > flctl->chan_fifo0_tx); > > @@ -168,7 +168,7 @@ static void flctl_setup_dma(struct sh_flctl *flctl) > goto err; > > flctl->chan_fifo0_rx = dma_request_channel(mask, shdma_chan_filter, > - (void *)pdata->slave_id_fifo0_rx); > + (void *)(unsigned long)pdata->slave_id_fifo0_rx); Ditto. > dev_dbg(&pdev->dev, "%s: RX: got channel %p\n", __func__, > flctl->chan_fifo0_rx); > Brian
Hi Brian, On Tuesday 26 November 2013 18:11:40 Brian Norris wrote: > On Wed, Nov 27, 2013 at 01:35:11AM +0100, Laurent Pinchart wrote: > > Cast pointers to unsigned long instead of unsigned int. This fixes > > warnings on platforms where pointers have a different size than int. > > > > Cc: David Woodhouse <dwmw2@infradead.org> > > Cc: linux-mtd@lists.infradead.org > > Signed-off-by: Laurent Pinchart > > <laurent.pinchart+renesas@ideasonboard.com> > > --- > > > > drivers/mtd/nand/sh_flctl.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c > > index a3c84eb..b1e2b13 100644 > > --- a/drivers/mtd/nand/sh_flctl.c > > +++ b/drivers/mtd/nand/sh_flctl.c > > @@ -151,7 +151,7 @@ static void flctl_setup_dma(struct sh_flctl *flctl) > > dma_cap_set(DMA_SLAVE, mask); > > > > flctl->chan_fifo0_tx = dma_request_channel(mask, shdma_chan_filter, > > - (void *)pdata->slave_id_fifo0_tx); > > + (void *)(unsigned long)pdata->slave_id_fifo0_tx); > > Perhaps the intermediate cast should be for uintptr_t instead of > unsigned long, just to be more exact? (I see that uintptr_t is just > typedef'd for unsigned long, but it still seems more precise.) Good point. I'll fix that and resubmit. > > dev_dbg(&pdev->dev, "%s: TX: got channel %p\n", __func__, > > flctl->chan_fifo0_tx); > > > > @@ -168,7 +168,7 @@ static void flctl_setup_dma(struct sh_flctl *flctl) > > goto err; > > > > flctl->chan_fifo0_rx = dma_request_channel(mask, shdma_chan_filter, > > - (void *)pdata->slave_id_fifo0_rx); > > + (void *)(unsigned long)pdata->slave_id_fifo0_rx); > > Ditto. > > > dev_dbg(&pdev->dev, "%s: RX: got channel %p\n", __func__, > > flctl->chan_fifo0_rx);
diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c index a3c84eb..b1e2b13 100644 --- a/drivers/mtd/nand/sh_flctl.c +++ b/drivers/mtd/nand/sh_flctl.c @@ -151,7 +151,7 @@ static void flctl_setup_dma(struct sh_flctl *flctl) dma_cap_set(DMA_SLAVE, mask); flctl->chan_fifo0_tx = dma_request_channel(mask, shdma_chan_filter, - (void *)pdata->slave_id_fifo0_tx); + (void *)(unsigned long)pdata->slave_id_fifo0_tx); dev_dbg(&pdev->dev, "%s: TX: got channel %p\n", __func__, flctl->chan_fifo0_tx); @@ -168,7 +168,7 @@ static void flctl_setup_dma(struct sh_flctl *flctl) goto err; flctl->chan_fifo0_rx = dma_request_channel(mask, shdma_chan_filter, - (void *)pdata->slave_id_fifo0_rx); + (void *)(unsigned long)pdata->slave_id_fifo0_rx); dev_dbg(&pdev->dev, "%s: RX: got channel %p\n", __func__, flctl->chan_fifo0_rx);
Cast pointers to unsigned long instead of unsigned int. This fixes warnings on platforms where pointers have a different size than int. Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> --- drivers/mtd/nand/sh_flctl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)