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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 08:00:07 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 08:00:07 +0400
commitdcded10f6dce10411b16134ce9cc87bfdf75c13f (patch)
treeda6d0face147072c9eadc8a01af4e49958769138 /drivers/dma/ste_dma40_ll.c
parent9e0ba741aabdf129d561e62d207c75146adef5e8 (diff)
parentb0ebeb9c09cb5b84bb2f33927c84c7648845fcec (diff)
downloadlinux-dcded10f6dce10411b16134ce9cc87bfdf75c13f.tar.xz
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (30 commits) DMAENGINE: at_hdmac: locking fixlet DMAENGINE: pch_dma: kill another usage of __raw_{read|write}l dma: dmatest: fix potential sign bug ioat2: catch and recover from broken vtd configurations v6 DMAENGINE: add runtime slave control to COH 901 318 v3 DMAENGINE: add runtime slave config to DMA40 v3 DMAENGINE: generic slave channel control v3 dmaengine: Driver for Topcliff PCH DMA controller intel_mid: Add Mrst & Mfld DMA Drivers drivers/dma: Eliminate a NULL pointer dereference dma/timb_dma: compile warning on 32 bit DMAENGINE: ste_dma40: support older silicon DMAENGINE: ste_dma40: support disabling physical channels DMAENGINE: ste_dma40: no disabled phy channels on ux500 DMAENGINE: ste_dma40: fix suspend bug DMAENGINE: ste_dma40: add DB8500 memcpy channels DMAENGINE: ste_dma40: no flow control on memcpy DMAENGINE: ste_dma40: arch updates for LCLA and LCPA DMAENGINE: ste_dma40: allocate LCLA dynamically DMAENGINE: ste_dma40: no premature stop ... Fix up trivial conflicts in arch/arm/mach-ux500/devices-db8500.c
Diffstat (limited to 'drivers/dma/ste_dma40_ll.c')
-rw-r--r--drivers/dma/ste_dma40_ll.c40
1 files changed, 20 insertions, 20 deletions
diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
index 561fdd8a80c1..d937f76d6e2e 100644
--- a/drivers/dma/ste_dma40_ll.c
+++ b/drivers/dma/ste_dma40_ll.c
@@ -315,11 +315,8 @@ int d40_log_sg_to_dev(struct d40_lcla_elem *lcla,
int total_size = 0;
struct scatterlist *current_sg = sg;
int i;
- u32 next_lli_off_dst;
- u32 next_lli_off_src;
-
- next_lli_off_src = 0;
- next_lli_off_dst = 0;
+ u32 next_lli_off_dst = 0;
+ u32 next_lli_off_src = 0;
for_each_sg(sg, current_sg, sg_len, i) {
total_size += sg_dma_len(current_sg);
@@ -351,7 +348,7 @@ int d40_log_sg_to_dev(struct d40_lcla_elem *lcla,
sg_dma_len(current_sg),
next_lli_off_src,
lcsp->lcsp1, src_data_width,
- term_int && !next_lli_off_src,
+ false,
true);
d40_log_fill_lli(&lli->dst[i],
dev_addr,
@@ -375,7 +372,7 @@ int d40_log_sg_to_dev(struct d40_lcla_elem *lcla,
sg_dma_len(current_sg),
next_lli_off_src,
lcsp->lcsp1, src_data_width,
- term_int && !next_lli_off_src,
+ false,
false);
}
}
@@ -423,32 +420,35 @@ int d40_log_sg_to_lli(int lcla_id,
return total_size;
}
-void d40_log_lli_write(struct d40_log_lli_full *lcpa,
+int d40_log_lli_write(struct d40_log_lli_full *lcpa,
struct d40_log_lli *lcla_src,
struct d40_log_lli *lcla_dst,
struct d40_log_lli *lli_dst,
struct d40_log_lli *lli_src,
int llis_per_log)
{
- u32 slos = 0;
- u32 dlos = 0;
+ u32 slos;
+ u32 dlos;
int i;
- lcpa->lcsp0 = lli_src->lcsp02;
- lcpa->lcsp1 = lli_src->lcsp13;
- lcpa->lcsp2 = lli_dst->lcsp02;
- lcpa->lcsp3 = lli_dst->lcsp13;
+ writel(lli_src->lcsp02, &lcpa->lcsp0);
+ writel(lli_src->lcsp13, &lcpa->lcsp1);
+ writel(lli_dst->lcsp02, &lcpa->lcsp2);
+ writel(lli_dst->lcsp13, &lcpa->lcsp3);
slos = lli_src->lcsp13 & D40_MEM_LCSP1_SLOS_MASK;
dlos = lli_dst->lcsp13 & D40_MEM_LCSP3_DLOS_MASK;
for (i = 0; (i < llis_per_log) && slos && dlos; i++) {
- writel(lli_src[i+1].lcsp02, &lcla_src[i].lcsp02);
- writel(lli_src[i+1].lcsp13, &lcla_src[i].lcsp13);
- writel(lli_dst[i+1].lcsp02, &lcla_dst[i].lcsp02);
- writel(lli_dst[i+1].lcsp13, &lcla_dst[i].lcsp13);
+ writel(lli_src[i + 1].lcsp02, &lcla_src[i].lcsp02);
+ writel(lli_src[i + 1].lcsp13, &lcla_src[i].lcsp13);
+ writel(lli_dst[i + 1].lcsp02, &lcla_dst[i].lcsp02);
+ writel(lli_dst[i + 1].lcsp13, &lcla_dst[i].lcsp13);
- slos = lli_src[i+1].lcsp13 & D40_MEM_LCSP1_SLOS_MASK;
- dlos = lli_dst[i+1].lcsp13 & D40_MEM_LCSP3_DLOS_MASK;
+ slos = lli_src[i + 1].lcsp13 & D40_MEM_LCSP1_SLOS_MASK;
+ dlos = lli_dst[i + 1].lcsp13 & D40_MEM_LCSP3_DLOS_MASK;
}
+
+ return i;
+
}