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Subject: [media] omap_vout: avoid sleep_on race Author: Arnd Bergmann <a...@arndb.de> Date: Thu Jan 2 09:07:29 2014 -0300 sleep_on and its variants are broken and going away soon. This changes the omap vout driver to use wait_event_interruptible_timeout instead, which fixes potential race where the dma is complete before we schedule. [hans.verk...@cisco.com: replaced interruptible_sleep_on_timeout by wait_event_interruptible_timeout in the commit msg, obvious typo] Signed-off-by: Arnd Bergmann <a...@arndb.de> Cc: Mauro Carvalho Chehab <m.che...@samsung.com> Cc: linux-media@vger.kernel.org Signed-off-by: Hans Verkuil <hans.verk...@cisco.com> Signed-off-by: Mauro Carvalho Chehab <m.che...@samsung.com> drivers/media/platform/omap/omap_vout_vrfb.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=6a859e09c40f09fd77411ca46d8b6ca1c08444fe diff --git a/drivers/media/platform/omap/omap_vout_vrfb.c b/drivers/media/platform/omap/omap_vout_vrfb.c index cf1c437..62e7e57 100644 --- a/drivers/media/platform/omap/omap_vout_vrfb.c +++ b/drivers/media/platform/omap/omap_vout_vrfb.c @@ -270,7 +270,8 @@ int omap_vout_prepare_vrfb(struct omap_vout_device *vout, omap_dma_set_global_params(DMA_DEFAULT_ARB_RATE, 0x20, 0); omap_start_dma(tx->dma_ch); - interruptible_sleep_on_timeout(&tx->wait, VRFB_TX_TIMEOUT); + wait_event_interruptible_timeout(tx->wait, tx->tx_status == 1, + VRFB_TX_TIMEOUT); if (tx->tx_status == 0) { omap_stop_dma(tx->dma_ch); -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
