From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: <vinod.koul@intel.com>, <arnd@arndb.de>, <andy.shevchenko@gmail.com>
Cc: tony@atomide.com, linux-mmc@vger.kernel.org, nsekhar@ti.com,
linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org,
dmaengine@vger.kernel.org, linux-omap@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: [RFC v03 01/15] dmaengine: core: Skip mask matching when it is not provided to private_candidate
Date: Wed, 2 Dec 2015 15:59:11 +0200 [thread overview]
Message-ID: <1449064765-27427-2-git-send-email-peter.ujfalusi@ti.com> (raw)
In-Reply-To: <1449064765-27427-1-git-send-email-peter.ujfalusi@ti.com>
If mask is NULL skip the mask matching against the DMA device capabilities.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
drivers/dma/dmaengine.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index daf54a39bcc7..6311e1fc80be 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -515,7 +515,7 @@ static struct dma_chan *private_candidate(const dma_cap_mask_t *mask,
{
struct dma_chan *chan;
- if (!__dma_device_satisfies_mask(dev, mask)) {
+ if (mask && !__dma_device_satisfies_mask(dev, mask)) {
pr_debug("%s: wrong capabilities\n", __func__);
return NULL;
}
--
2.6.3
next prev parent reply other threads:[~2015-12-02 13:59 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-02 13:59 [RFC v03 00/15] dmaengine: New 'universal' API for requesting channel Peter Ujfalusi
2015-12-02 13:59 ` Peter Ujfalusi [this message]
2015-12-02 13:59 ` [RFC v03 02/15] dmaengine: core: Move and merge the code paths using private_candidate Peter Ujfalusi
2015-12-02 13:59 ` [RFC v03 03/15] dmaengine: core: Introduce new, universal API to request a channel Peter Ujfalusi
[not found] ` <1449064765-27427-4-git-send-email-peter.ujfalusi-l0cyMroinI0@public.gmane.org>
2015-12-02 14:35 ` Andy Shevchenko
2015-12-03 10:34 ` Peter Ujfalusi
2015-12-02 13:59 ` [RFC v03 04/15] dmaengine: edma: Add support for DMA filter mapping to slave devices Peter Ujfalusi
2015-12-02 13:59 ` [RFC v03 05/15] ARM: davinci: devices-da8xx: Add dma_filter_map to edma Peter Ujfalusi
2015-12-02 13:59 ` [RFC v03 06/15] ARM: davinci: dm355: " Peter Ujfalusi
2015-12-02 13:59 ` [RFC v03 07/15] ARM: davinci: dm365: " Peter Ujfalusi
2015-12-02 13:59 ` [RFC v03 08/15] ARM: davinci: dm644x: " Peter Ujfalusi
2015-12-02 13:59 ` [RFC v03 09/15] ARM: davinci: dm646x: " Peter Ujfalusi
2015-12-02 13:59 ` [RFC v03 10/15] mmc: davinci_mmc: Use dma_request_chan() to requesting DMA channel Peter Ujfalusi
2015-12-02 13:59 ` [RFC v03 11/15] spi: davinci: " Peter Ujfalusi
2015-12-02 13:59 ` [RFC v03 12/15] ARM: davinci: devices-da8xx: Remove DMA resources for MMC and SPI Peter Ujfalusi
2015-12-02 13:59 ` [RFC v03 13/15] ARM: davinci: devices: Remove DMA resources for MMC Peter Ujfalusi
[not found] ` <1449064765-27427-1-git-send-email-peter.ujfalusi-l0cyMroinI0@public.gmane.org>
2015-12-02 13:59 ` [RFC v03 14/15] ARM: davinci: dm355: Remove DMA resources for SPI Peter Ujfalusi
2015-12-02 13:59 ` [RFC v03 15/15] ARM: davinci: dm365: " Peter Ujfalusi
2015-12-02 14:38 ` [RFC v03 00/15] dmaengine: New 'universal' API for requesting channel Andy Shevchenko
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