leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

omap: SDMA: Fixing bug in omap_dma_set_global_params()

Browse Source 
Argument tparams was not being used to program
global register GCR.HI_THREAD_RESERVED. This patch fixes the same.

Signed-off-by: Anuj Aggarwal <anuj.aggarwal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Anuj Aggarwal 2009-10-14 09:56:34 -07:00 committed by Tony Lindgren
parent dc6e56b199
commit 70cf644c34
1 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
arch/arm/plat-omap/dma.c
View File

@ -829,10 +829,10 @@ EXPORT_SYMBOL(omap_free_dma);
* *
* @param arb_rate * @param arb_rate
* @param max_fifo_depth * @param max_fifo_depth
* @param tparams - Number of thereads to reserve : DMA_THREAD_RESERVE_NORM * @param tparams - Number of threads to reserve : DMA_THREAD_RESERVE_NORM
* DMA_THREAD_RESERVE_ONET * DMA_THREAD_RESERVE_ONET
* DMA_THREAD_RESERVE_TWOT * DMA_THREAD_RESERVE_TWOT
* DMA_THREAD_RESERVE_THREET * DMA_THREAD_RESERVE_THREET
*/ */
void void
omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams) omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams)
@ -844,11 +844,14 @@ omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams)
return; return;
} }
if (max_fifo_depth == 0)
max_fifo_depth = 1;
if (arb_rate == 0) if (arb_rate == 0)
arb_rate = 1; arb_rate = 1;
reg = (arb_rate & 0xff) << 16; reg = 0xff & max_fifo_depth;
reg |= (0xff & max_fifo_depth); reg |= (0x3 & tparams) << 12;
reg |= (arb_rate & 0xff) << 16;
dma_write(reg, GCR); dma_write(reg, GCR);
} }