From mboxrd@z Thu Jan 1 00:00:00 1970 From: vinod.koul@intel.com (Vinod Koul) Date: Tue, 4 Feb 2014 10:53:29 +0530 Subject: [PATCH] dma: mv_xor: Silence a bunch of LPAE-related warnings In-Reply-To: <1391476403-26099-1-git-send-email-olof@lixom.net> References: <1391476403-26099-1-git-send-email-olof@lixom.net> Message-ID: <20140204052329.GN10628@intel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Feb 03, 2014 at 05:13:23PM -0800, Olof Johansson wrote: > Enabling some of the mvebu platforms in the multiplatform config for ARM > enabled these drivers, which also triggered a bunch of warnings when LPAE > is enabled (thus making phys_addr_t 64-bit). > > Most changes are switching printk formats, but also a bit of changes to what > used to be array-based pointer arithmetic that could just be done with the > address types instead. > > The warnings were: > > drivers/dma/mv_xor.c: In function 'mv_xor_tx_submit': > drivers/dma/mv_xor.c:500:3: warning: format '%x' expects argument of type > 'unsigned int', but argument 4 has type 'dma_addr_t' [-Wformat] > drivers/dma/mv_xor.c: In function 'mv_xor_alloc_chan_resources': > drivers/dma/mv_xor.c:553:13: warning: cast to pointer from integer of > different size [-Wint-to-pointer-cast] > drivers/dma/mv_xor.c:555:4: warning: cast from pointer to integer of > different size [-Wpointer-to-int-cast] > drivers/dma/mv_xor.c: In function 'mv_xor_prep_dma_memcpy': > drivers/dma/mv_xor.c:584:2: warning: format '%x' expects argument of type > 'unsigned int', but argument 5 has type 'dma_addr_t' [-Wformat] > drivers/dma/mv_xor.c:584:2: warning: format '%x' expects argument of type > 'unsigned int', but argument 6 has type 'dma_addr_t' [-Wformat] > drivers/dma/mv_xor.c: In function 'mv_xor_prep_dma_xor': > drivers/dma/mv_xor.c:628:2: warning: format '%u' expects argument of type > 'unsigned int', but argument 7 has type 'dma_addr_t' [-Wformat] > > Signed-off-by: Olof Johansson Acked-by: Vinod Koul -- ~Vinod > --- > drivers/dma/mv_xor.c | 24 ++++++++++++------------ > 1 file changed, 12 insertions(+), 12 deletions(-) > > diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c > index 53fb0c8365b0..766b68ed505c 100644 > --- a/drivers/dma/mv_xor.c > +++ b/drivers/dma/mv_xor.c > @@ -497,8 +497,8 @@ mv_xor_tx_submit(struct dma_async_tx_descriptor *tx) > if (!mv_can_chain(grp_start)) > goto submit_done; > > - dev_dbg(mv_chan_to_devp(mv_chan), "Append to last desc %x\n", > - old_chain_tail->async_tx.phys); > + dev_dbg(mv_chan_to_devp(mv_chan), "Append to last desc %pa\n", > + &old_chain_tail->async_tx.phys); > > /* fix up the hardware chain */ > mv_desc_set_next_desc(old_chain_tail, grp_start->async_tx.phys); > @@ -527,7 +527,8 @@ submit_done: > /* returns the number of allocated descriptors */ > static int mv_xor_alloc_chan_resources(struct dma_chan *chan) > { > - char *hw_desc; > + void *virt_desc; > + dma_addr_t dma_desc; > int idx; > struct mv_xor_chan *mv_chan = to_mv_xor_chan(chan); > struct mv_xor_desc_slot *slot = NULL; > @@ -542,17 +543,16 @@ static int mv_xor_alloc_chan_resources(struct dma_chan *chan) > " %d descriptor slots", idx); > break; > } > - hw_desc = (char *) mv_chan->dma_desc_pool_virt; > - slot->hw_desc = (void *) &hw_desc[idx * MV_XOR_SLOT_SIZE]; > + virt_desc = mv_chan->dma_desc_pool_virt; > + slot->hw_desc = virt_desc + idx * MV_XOR_SLOT_SIZE; > > dma_async_tx_descriptor_init(&slot->async_tx, chan); > slot->async_tx.tx_submit = mv_xor_tx_submit; > INIT_LIST_HEAD(&slot->chain_node); > INIT_LIST_HEAD(&slot->slot_node); > INIT_LIST_HEAD(&slot->tx_list); > - hw_desc = (char *) mv_chan->dma_desc_pool; > - slot->async_tx.phys = > - (dma_addr_t) &hw_desc[idx * MV_XOR_SLOT_SIZE]; > + dma_desc = mv_chan->dma_desc_pool; > + slot->async_tx.phys = dma_desc + idx * MV_XOR_SLOT_SIZE; > slot->idx = idx++; > > spin_lock_bh(&mv_chan->lock); > @@ -582,8 +582,8 @@ mv_xor_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, > int slot_cnt; > > dev_dbg(mv_chan_to_devp(mv_chan), > - "%s dest: %x src %x len: %u flags: %ld\n", > - __func__, dest, src, len, flags); > + "%s dest: %pad src %pad len: %u flags: %ld\n", > + __func__, &dest, &src, len, flags); > if (unlikely(len < MV_XOR_MIN_BYTE_COUNT)) > return NULL; > > @@ -626,8 +626,8 @@ mv_xor_prep_dma_xor(struct dma_chan *chan, dma_addr_t dest, dma_addr_t *src, > BUG_ON(len > MV_XOR_MAX_BYTE_COUNT); > > dev_dbg(mv_chan_to_devp(mv_chan), > - "%s src_cnt: %d len: dest %x %u flags: %ld\n", > - __func__, src_cnt, len, dest, flags); > + "%s src_cnt: %d len: %u dest %pad flags: %ld\n", > + __func__, src_cnt, len, &dest, flags); > > spin_lock_bh(&mv_chan->lock); > slot_cnt = mv_chan_xor_slot_count(len, src_cnt); > -- > 1.8.4.1.601.g02b3b1d > > -- > To unsubscribe from this list: send the line "unsubscribe dmaengine" in > the body of a message to majordomo at vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html --