Merge tag 'dmaengine-4.10-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "Fairly routine update this time around with all changes specific to
  drivers:

   - New driver for STMicroelectronics FDMA
   - Memory-to-memory transfers on dw dmac
   - Support for slave maps on pl08x devices
   - Bunch of driver fixes to use dma_pool_zalloc
   - Bunch of compile and warning fixes spread across drivers"

[ The ST FDMA driver already came in earlier through the remoteproc tree ]

* tag 'dmaengine-4.10-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (68 commits)
  dmaengine: sirf-dma: remove unused ‘sdesc’
  dmaengine: pl330: remove unused ‘regs’
  dmaengine: s3c24xx: remove unused ‘cdata’
  dmaengine: stm32-dma: remove unused ‘src_addr’
  dmaengine: stm32-dma: remove unused ‘dst_addr’
  dmaengine: stm32-dma: remove unused ‘sfcr’
  dmaengine: pch_dma: remove unused ‘cookie’
  dmaengine: mic_x100_dma: remove unused ‘data’
  dmaengine: img-mdc: remove unused ‘prev_phys’
  dmaengine: usb-dmac: remove unused ‘uchan’
  dmaengine: ioat: remove unused ‘res’
  dmaengine: ioat: remove unused ‘ioat_dma’
  dmaengine: ioat: remove unused ‘is_raid_device’
  dmaengine: pl330: do not generate unaligned access
  dmaengine: k3dma: move to dma_pool_zalloc
  dmaengine: at_hdmac: move to dma_pool_zalloc
  dmaengine: at_xdmac: don't restore unsaved status
  dmaengine: ioat: set error code on failures
  dmaengine: ioat: set error code on failures
  dmaengine: DW DMAC: add multi-block property to device tree
  ...

1 files changed, 4 insertions, 13 deletions

diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index 49386ce04bf5..a371b07a0981 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -39,6 +39,7 @@
 #include "../dmaengine.h"
 
 static char *chanerr_str[] = {
+	"DMA Transfer Source Address Error",
 	"DMA Transfer Destination Address Error",
 	"Next Descriptor Address Error",
 	"Descriptor Error",
@@ -66,7 +67,6 @@ static char *chanerr_str[] = {
 	"Result Guard Tag verification Error",
 	"Result Application Tag verification Error",
 	"Result Reference Tag verification Error",
-	NULL
 };
 
 static void ioat_eh(struct ioatdma_chan *ioat_chan);
@@ -75,13 +75,10 @@ static void ioat_print_chanerrs(struct ioatdma_chan *ioat_chan, u32 chanerr)
 {
 	int i;
 
-	for (i = 0; i < 32; i++) {
+	for (i = 0; i < ARRAY_SIZE(chanerr_str); i++) {
 		if ((chanerr >> i) & 1) {
-			if (chanerr_str[i]) {
-				dev_err(to_dev(ioat_chan), "Err(%d): %s\n",
-					i, chanerr_str[i]);
-			} else
-				break;
+			dev_err(to_dev(ioat_chan), "Err(%d): %s\n",
+				i, chanerr_str[i]);
 		}
 	}
 }
@@ -341,15 +338,12 @@ ioat_alloc_ring_ent(struct dma_chan *chan, int idx, gfp_t flags)
 {
 	struct ioat_dma_descriptor *hw;
 	struct ioat_ring_ent *desc;
-	struct ioatdma_device *ioat_dma;
 	struct ioatdma_chan *ioat_chan = to_ioat_chan(chan);
 	int chunk;
 	dma_addr_t phys;
 	u8 *pos;
 	off_t offs;
 
-	ioat_dma = to_ioatdma_device(chan->device);
-
 	chunk = idx / IOAT_DESCS_PER_2M;
 	idx &= (IOAT_DESCS_PER_2M - 1);
 	offs = idx * IOAT_DESC_SZ;
@@ -614,11 +608,8 @@ static void __cleanup(struct ioatdma_chan *ioat_chan, dma_addr_t phys_complete)
 
 		tx = &desc->txd;
 		if (tx->cookie) {
-			struct dmaengine_result res;
-
 			dma_cookie_complete(tx);
 			dma_descriptor_unmap(tx);
-			res.result = DMA_TRANS_NOERROR;
 			dmaengine_desc_get_callback_invoke(tx, NULL);
 			tx->callback = NULL;
 			tx->callback_result = NULL;