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Message-Id: <1364309637-25860-2-git-send-email-andriy.shevchenko@linux.intel.com>
Date: Tue, 26 Mar 2013 16:53:54 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Vinod Koul <vinod.koul@...el.com>, Arnd Bergmann <arnd@...db.de>,
Viresh Kumar <viresh.kumar@...aro.org>,
linux-kernel@...r.kernel.org, spear-devel <spear-devel@...t.st.com>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v2 1/4] dw_dmac: fix style of the comments
Let's use capital letter as a first one in the comments.
There is no functional changes.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
---
drivers/dma/dw_dmac.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 43e2e89..d6dbb14 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -173,7 +173,7 @@ static void dwc_initialize(struct dw_dma_chan *dwc)
return;
if (dws && dws->cfg_hi == ~0 && dws->cfg_lo == ~0) {
- /* autoconfigure based on request line from DT */
+ /* Autoconfigure based on request line from DT */
if (dwc->direction == DMA_MEM_TO_DEV)
cfghi = DWC_CFGH_DST_PER(dwc->request_line);
else if (dwc->direction == DMA_DEV_TO_MEM)
@@ -473,16 +473,16 @@ static void dwc_scan_descriptors(struct dw_dma *dw, struct dw_dma_chan *dwc)
(unsigned long long)llp);
list_for_each_entry_safe(desc, _desc, &dwc->active_list, desc_node) {
- /* initial residue value */
+ /* Initial residue value */
dwc->residue = desc->total_len;
- /* check first descriptors addr */
+ /* Check first descriptors addr */
if (desc->txd.phys == llp) {
spin_unlock_irqrestore(&dwc->lock, flags);
return;
}
- /* check first descriptors llp */
+ /* Check first descriptors llp */
if (desc->lli.llp == llp) {
/* This one is currently in progress */
dwc->residue -= dwc_get_sent(dwc);
@@ -588,7 +588,7 @@ inline dma_addr_t dw_dma_get_dst_addr(struct dma_chan *chan)
}
EXPORT_SYMBOL(dw_dma_get_dst_addr);
-/* called with dwc->lock held and all DMAC interrupts disabled */
+/* Called with dwc->lock held and all DMAC interrupts disabled */
static void dwc_handle_cyclic(struct dw_dma *dw, struct dw_dma_chan *dwc,
u32 status_err, u32 status_xfer)
{
@@ -626,7 +626,7 @@ static void dwc_handle_cyclic(struct dw_dma *dw, struct dw_dma_chan *dwc,
dwc_chan_disable(dw, dwc);
- /* make sure DMA does not restart by loading a new list */
+ /* Make sure DMA does not restart by loading a new list */
channel_writel(dwc, LLP, 0);
channel_writel(dwc, CTL_LO, 0);
channel_writel(dwc, CTL_HI, 0);
@@ -1256,7 +1256,7 @@ static bool dw_dma_generic_filter(struct dma_chan *chan, void *param)
struct dw_dma_filter_args *fargs = param;
struct dw_dma_slave *dws = &dwc->slave;
- /* ensure the device matches our channel */
+ /* Ensure the device matches our channel */
if (chan->device != &fargs->dw->dma)
return false;
@@ -1323,7 +1323,7 @@ int dw_dma_cyclic_start(struct dma_chan *chan)
spin_lock_irqsave(&dwc->lock, flags);
- /* assert channel is idle */
+ /* Assert channel is idle */
if (dma_readl(dw, CH_EN) & dwc->mask) {
dev_err(chan2dev(&dwc->chan),
"BUG: Attempted to start non-idle channel\n");
@@ -1335,7 +1335,7 @@ int dw_dma_cyclic_start(struct dma_chan *chan)
dma_writel(dw, CLEAR.ERROR, dwc->mask);
dma_writel(dw, CLEAR.XFER, dwc->mask);
- /* setup DMAC channel registers */
+ /* Setup DMAC channel registers */
channel_writel(dwc, LLP, dwc->cdesc->desc[0]->txd.phys);
channel_writel(dwc, CTL_LO, DWC_CTLL_LLP_D_EN | DWC_CTLL_LLP_S_EN);
channel_writel(dwc, CTL_HI, 0);
@@ -1502,7 +1502,7 @@ struct dw_cyclic_desc *dw_dma_cyclic_prep(struct dma_chan *chan,
last = desc;
}
- /* lets make a cyclic list */
+ /* Let's make a cyclic list */
last->lli.llp = cdesc->desc[0]->txd.phys;
dev_dbg(chan2dev(&dwc->chan), "cyclic prepared buf 0x%llx len %zu "
@@ -1707,7 +1707,7 @@ static int dw_probe(struct platform_device *pdev)
dw->regs = regs;
- /* get hardware configuration parameters */
+ /* Get hardware configuration parameters */
if (autocfg) {
max_blk_size = dma_readl(dw, MAX_BLK_SIZE);
@@ -1729,10 +1729,10 @@ static int dw_probe(struct platform_device *pdev)
/* Calculate all channel mask before DMA setup */
dw->all_chan_mask = (1 << nr_channels) - 1;
- /* force dma off, just in case */
+ /* Force dma off, just in case */
dw_dma_off(dw);
- /* disable BLOCK interrupts as well */
+ /* Disable BLOCK interrupts as well */
channel_clear_bit(dw, MASK.BLOCK, dw->all_chan_mask);
err = devm_request_irq(&pdev->dev, irq, dw_dma_interrupt, 0,
@@ -1742,7 +1742,7 @@ static int dw_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, dw);
- /* create a pool of consistent memory blocks for hardware descriptors */
+ /* Create a pool of consistent memory blocks for hardware descriptors */
dw->desc_pool = dmam_pool_create("dw_dmac_desc_pool", &pdev->dev,
sizeof(struct dw_desc), 4, 0);
if (!dw->desc_pool) {
@@ -1783,7 +1783,7 @@ static int dw_probe(struct platform_device *pdev)
dwc->direction = DMA_TRANS_NONE;
- /* hardware configuration */
+ /* Hardware configuration */
if (autocfg) {
unsigned int dwc_params;
--
1.8.2.rc0.22.gb3600c3
--
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