TO: Ludovic Desroches <[email protected]>
CC: Vinod Koul <[email protected]>
tree: git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/slave-dma.git
for-linus
head: 0005e0d58cee6b4c48416a44619df24214aa8670
commit: e1f7c9eee70730d7e6ec77f7ecc76f936e262cf0 [1/37] dmaengine: at_xdmac:
creation of the atmel eXtended DMA Controller driver
:::::: branch date: 4 hours ago
:::::: commit date: 6 days ago
drivers/dma/at_xdmac.c:933 at_xdmac_tx_status() warn: inconsistent returns
'spin_lock:&atchan->lock'.
drivers/dma/at_xdmac.c:933 at_xdmac_tx_status() warn: inconsistent returns
'bottom_half:'.
git remote add slave-dma
git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/slave-dma.git
git remote update slave-dma
git checkout e1f7c9eee70730d7e6ec77f7ecc76f936e262cf0
vim +933 drivers/dma/at_xdmac.c
e1f7c9ee Ludovic Desroches 2014-10-22 917 descs_list = &desc->descs_list;
e1f7c9ee Ludovic Desroches 2014-10-22 918 list_for_each_entry_safe(desc,
_desc, descs_list, desc_node) {
e1f7c9ee Ludovic Desroches 2014-10-22 919 residue -=
(desc->lld.mbr_ubc & 0xffffff) << dwidth;
e1f7c9ee Ludovic Desroches 2014-10-22 920 if ((desc->lld.mbr_nda
& 0xfffffffc) == cur_nda)
e1f7c9ee Ludovic Desroches 2014-10-22 921 break;
e1f7c9ee Ludovic Desroches 2014-10-22 922 }
e1f7c9ee Ludovic Desroches 2014-10-22 923 residue +=
at_xdmac_chan_read(atchan, AT_XDMAC_CUBC) << dwidth;
e1f7c9ee Ludovic Desroches 2014-10-22 924
e1f7c9ee Ludovic Desroches 2014-10-22 925 spin_unlock_bh(&atchan->lock);
e1f7c9ee Ludovic Desroches 2014-10-22 926
e1f7c9ee Ludovic Desroches 2014-10-22 927 dma_set_residue(txstate,
residue);
e1f7c9ee Ludovic Desroches 2014-10-22 928
e1f7c9ee Ludovic Desroches 2014-10-22 929 dev_dbg(chan2dev(chan),
e1f7c9ee Ludovic Desroches 2014-10-22 930 "%s: desc=0x%p,
tx_dma_desc.phys=0x%08x, tx_status=%d, cookie=%d, residue=%d\n",
e1f7c9ee Ludovic Desroches 2014-10-22 931 __func__, desc,
desc->tx_dma_desc.phys, ret, cookie, residue);
e1f7c9ee Ludovic Desroches 2014-10-22 932
e1f7c9ee Ludovic Desroches 2014-10-22 @933 return ret;
e1f7c9ee Ludovic Desroches 2014-10-22 934 }
e1f7c9ee Ludovic Desroches 2014-10-22 935
e1f7c9ee Ludovic Desroches 2014-10-22 936 /* Call must be protected by lock.
*/
e1f7c9ee Ludovic Desroches 2014-10-22 937 static void
at_xdmac_remove_xfer(struct at_xdmac_chan *atchan,
e1f7c9ee Ludovic Desroches 2014-10-22 938
struct at_xdmac_desc *desc)
e1f7c9ee Ludovic Desroches 2014-10-22 939 {
e1f7c9ee Ludovic Desroches 2014-10-22 940
dev_dbg(chan2dev(&atchan->chan), "%s: desc 0x%p\n", __func__, desc);
e1f7c9ee Ludovic Desroches 2014-10-22 941
---
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