From: Adrian Bunk <bunk@stusta.de>
To: skystar@moldova.cc
Cc: linux-dvb-maintainer@linuxtv.org, linux-kernel@vger.kernel.org
Subject: [2.6 patch] drivers/media/dvb/b2c2/skystar2.c: remove an impossible code path
Date: Sun, 10 Apr 2005 01:08:49 +0200 [thread overview]
Message-ID: <20050409230849.GR3632@stusta.de> (raw)
This patch removes an impossible code path found by the Coverity
checker (look at the assignement in the first line of the context).
Signed-off-by: Adrian Bunk <bunk@stusta.de>
---
drivers/media/dvb/b2c2/skystar2.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.12-rc2-mm2-full/drivers/media/dvb/b2c2/skystar2.c.old 2005-04-09 22:09:27.000000000 +0200
+++ linux-2.6.12-rc2-mm2-full/drivers/media/dvb/b2c2/skystar2.c 2005-04-09 22:10:13.000000000 +0200
@@ -1358,49 +1358,49 @@ static int dma_init_dma(struct adapter *
subbuffers = 2;
subbufsize = (((adapter->dmaq1.buffer_size / 2) / 4) << 8) | subbuffers;
subbuf0 = adapter->dmaq1.bus_addr & 0xfffffffc;
subbuf1 = ((adapter->dmaq1.bus_addr + adapter->dmaq1.buffer_size / 2) & 0xfffffffc) | 1;
dprintk("%s: first subbuffer address = 0x%x\n", __FUNCTION__, subbuf0);
udelay(1000);
write_reg_dw(adapter, 0x000, subbuf0);
dprintk("%s: subbuffer size = 0x%x\n", __FUNCTION__, (subbufsize >> 8) * 4);
udelay(1000);
write_reg_dw(adapter, 0x004, subbufsize);
dprintk("%s: second subbuffer address = 0x%x\n", __FUNCTION__, subbuf1);
udelay(1000);
write_reg_dw(adapter, 0x00c, subbuf1);
dprintk("%s: counter = 0x%x\n", __FUNCTION__, adapter->dmaq1.bus_addr & 0xfffffffc);
write_reg_dw(adapter, 0x008, adapter->dmaq1.bus_addr & 0xfffffffc);
udelay(1000);
- dma_enable_disable_irq(adapter, 0, 1, subbuffers ? 1 : 0);
+ dma_enable_disable_irq(adapter, 0, 1, 1);
irq_dma_enable_disable_irq(adapter, 1);
sram_set_media_dest(adapter, 1);
sram_set_net_dest(adapter, 1);
sram_set_cai_dest(adapter, 2);
sram_set_cao_dest(adapter, 2);
}
if (dma_channel == 1) {
dprintk("%s: Initializing DMA2 channel\n", __FUNCTION__);
subbuffers = 2;
subbufsize = (((adapter->dmaq2.buffer_size / 2) / 4) << 8) | subbuffers;
subbuf0 = adapter->dmaq2.bus_addr & 0xfffffffc;
subbuf1 = ((adapter->dmaq2.bus_addr + adapter->dmaq2.buffer_size / 2) & 0xfffffffc) | 1;
dprintk("%s: first subbuffer address = 0x%x\n", __FUNCTION__, subbuf0);
udelay(1000);
write_reg_dw(adapter, 0x010, subbuf0);
next reply other threads:[~2005-04-09 23:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-09 23:08 Adrian Bunk [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-05-02 1:47 [2.6 patch] drivers/media/dvb/b2c2/skystar2.c: remove an impossible code path Adrian Bunk
2005-05-02 23:15 ` Johannes Stezenbach
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