From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: viresh kumar <viresh.kumar@linaro.org>
Cc: Vinod Koul <vinod.koul@intel.com>,
spear-devel@list.st.com, linux-kernel@vger.kernel.org,
Hein Tibosch <hein_tibosch@yahoo.es>
Subject: Re: [PATCH 7/7] dw_dmac: introduce software emulation of LLP transfers
Date: Thu, 20 Sep 2012 12:46:36 +0300 [thread overview]
Message-ID: <1348134396.13371.42.camel@smile> (raw)
In-Reply-To: <CAOh2x=m3-XYEjJTh02AmnzoKJODAFf+OyQXtXaAdKTx3=GLrdg@mail.gmail.com>
On Tue, 2012-09-18 at 12:47 +0530, viresh kumar wrote:
> On Mon, Sep 17, 2012 at 1:09 PM, Andy Shevchenko
> <andriy.shevchenko@linux.intel.com> wrote:
> > @@ -555,8 +594,36 @@ static void dw_dma_tasklet(unsigned long data)
> > dwc_handle_cyclic(dw, dwc, status_err, status_xfer);
> > else if (status_err & (1 << i))
> > dwc_handle_error(dw, dwc);
> > - else if (status_xfer & (1 << i))
> > + else if (status_xfer & (1 << i)) {
> > + unsigned long flags;
> > +
> > + spin_lock_irqsave(&dwc->lock, flags);
> > + if (test_bit(DW_DMA_IS_SOFT_LLP, &dwc->flags)) {
> > + if (dwc->tx_node_active != dwc->tx_list) {
> > + struct dw_desc *desc =
> > + list_entry(dwc->tx_node_active,
> > + struct dw_desc,
> > + desc_node);
>
> can come in single line.
Depends on checkpatch.pl. Anyway I'll try to squeeze it.
> > @@ -647,12 +714,6 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
> > unsigned int dst_width;
> > u32 ctllo;
> >
> > - if (dwc->nollp) {
> > - dev_dbg(chan2dev(&dwc->chan),
> > - "channel doesn't support LLP transfers\n");
> > - return NULL;
> > - }
> > -
>
> :)
> You should actually merge 6/7 with 7/7... You can't revert something
> in the same patchset.
Ok. It was done just in regard to have a bisectability working.
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
next prev parent reply other threads:[~2012-09-20 9:46 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-17 7:39 [PATCH 0/7] dw_dmac: introduce autoconfiguration Andy Shevchenko
2012-09-17 7:39 ` [PATCH 1/7] dw_dmac: mark dwc_dump_chan_regs as inline Andy Shevchenko
2012-09-18 6:35 ` viresh kumar
2012-09-17 7:39 ` [PATCH 2/7] dw_dmac: fill optional encoded parameters in register structure Andy Shevchenko
2012-09-18 6:39 ` viresh kumar
2012-09-18 6:55 ` Andy Shevchenko
2012-09-18 7:59 ` viresh kumar
2012-09-20 9:30 ` Andy Shevchenko
2012-09-20 9:32 ` viresh kumar
2012-09-20 9:51 ` Andy Shevchenko
2012-09-17 7:39 ` [PATCH 3/7] dw_dmac: get number of channels from hardware if possible Andy Shevchenko
2012-09-18 6:50 ` viresh kumar
2012-09-20 9:35 ` Andy Shevchenko
2012-09-20 9:40 ` viresh kumar
2012-09-21 6:04 ` viresh kumar
2012-09-17 7:39 ` [PATCH 4/7] dw_dmac: autoconfigure block_size or use platform data Andy Shevchenko
2012-09-18 6:57 ` viresh kumar
2012-09-20 9:38 ` Andy Shevchenko
2012-09-17 7:39 ` [PATCH 5/7] dw_dmac: autoconfigure data_width or get it via " Andy Shevchenko
2012-09-18 7:11 ` viresh kumar
2012-09-20 9:42 ` Andy Shevchenko
2012-09-20 9:46 ` viresh kumar
2012-09-20 9:53 ` Andy Shevchenko
2012-09-17 7:39 ` [PATCH 6/7] dw_dmac: check if controller supports LLP Andy Shevchenko
2012-09-18 7:13 ` viresh kumar
2012-09-20 9:43 ` Andy Shevchenko
2012-09-17 7:39 ` [PATCH 7/7] dw_dmac: introduce software emulation of LLP transfers Andy Shevchenko
2012-09-18 7:17 ` viresh kumar
2012-09-20 9:46 ` Andy Shevchenko [this message]
2012-09-17 16:50 ` [PATCH 0/7] dw_dmac: introduce autoconfiguration Hein Tibosch
2012-09-18 6:11 ` Hein Tibosch
2012-09-18 7:18 ` viresh kumar
2012-09-20 9:48 ` Andy Shevchenko
2012-09-21 12:05 ` [PATCHv2 0/6] " Andy Shevchenko
2012-09-21 12:05 ` [PATCHv2 1/6] dw_dmac: mark dwc_dump_chan_regs as inline Andy Shevchenko
2012-09-21 12:05 ` [PATCHv2 2/6] dw_dmac: fill optional encoded parameters in register structure Andy Shevchenko
2012-09-21 13:55 ` viresh kumar
2012-09-21 12:05 ` [PATCHv2 3/6] dw_dmac: get number of channels from hardware if possible Andy Shevchenko
2012-09-21 13:56 ` viresh kumar
2012-09-21 12:05 ` [PATCHv2 4/6] dw_dmac: autoconfigure block_size or use platform data Andy Shevchenko
2012-09-21 14:00 ` viresh kumar
2012-09-21 15:09 ` Andy Shevchenko
2012-09-21 15:30 ` Viresh Kumar
2012-09-21 12:05 ` [PATCHv2 5/6] dw_dmac: autoconfigure data_width or get it via " Andy Shevchenko
2012-09-21 14:02 ` viresh kumar
2012-09-25 11:39 ` [PATCHv3] " Andy Shevchenko
2012-09-26 3:29 ` viresh kumar
2012-09-27 10:06 ` Vinod Koul
2012-09-27 10:33 ` Vinod Koul
2012-09-27 13:10 ` Andy Shevchenko
2012-10-01 9:04 ` Andy Shevchenko
2012-10-01 9:45 ` Vinod Koul
2012-10-01 10:07 ` Andy Shevchenko
2012-09-27 14:00 ` Andy Shevchenko
2012-09-27 14:27 ` Vinod Koul
2012-09-21 12:05 ` [PATCHv2 6/6] dw_dmac: introduce software emulation of LLP transfers Andy Shevchenko
2012-09-21 14:03 ` viresh kumar
2012-09-27 10:05 ` [PATCHv2 0/6] dw_dmac: introduce autoconfiguration Vinod Koul
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