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Message-Id: <1432761820-32072-1-git-send-email-robert.jarzmik@free.fr>
Date: Wed, 27 May 2015 23:23:40 +0200
From: Robert Jarzmik <robert.jarzmik@...e.fr>
To: Daniel Mack <daniel@...que.org>,
Haojian Zhuang <haojian.zhuang@...il.com>,
Robert Jarzmik <robert.jarzmik@...e.fr>,
Vinod Koul <vinod.koul@...el.com>
Cc: linux-arm-kernel@...ts.infradead.org, dmaengine@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] fixup! dmaengine: pxa_dma: add debug information
This fixes the following error:
drivers/dma/pxa_dma.c: In function ‘dbg_show_requester_chan’:
drivers/dma/pxa_dma.c:192:2: error: void value not ignored as it ought to be
pos += seq_printf(s, "DMA channel %d requester :\n", phy->idx);
^
drivers/dma/pxa_dma.c:197:8: error: void value not ignored as it ought to be
!!(drcmr & DRCMR_MAPVLD));
^
scripts/Makefile.build:258: recipe for target 'drivers/dma/pxa_dma.o' failed
Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
---
drivers/dma/pxa_dma.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c
index ddcbbf5..be5b524 100644
--- a/drivers/dma/pxa_dma.c
+++ b/drivers/dma/pxa_dma.c
@@ -184,19 +184,18 @@ static unsigned int pxad_drcmr(unsigned int line)
static int dbg_show_requester_chan(struct seq_file *s, void *p)
{
- int pos = 0;
struct pxad_phy *phy = s->private;
int i;
u32 drcmr;
- pos += seq_printf(s, "DMA channel %d requester :\n", phy->idx);
+ seq_printf(s, "DMA channel %d requester :\n", phy->idx);
for (i = 0; i < 70; i++) {
drcmr = readl_relaxed(phy->base + pxad_drcmr(i));
if ((drcmr & DRCMR_CHLNUM) == phy->idx)
- pos += seq_printf(s, "\tRequester %d (MAPVLD=%d)\n", i,
- !!(drcmr & DRCMR_MAPVLD));
+ seq_printf(s, "\tRequester %d (MAPVLD=%d)\n", i,
+ !!(drcmr & DRCMR_MAPVLD));
}
- return pos;
+ return 0;
}
static inline int dbg_burst_from_dcmd(u32 dcmd)
--
2.1.4
--
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