]> err.no Git - linux-2.6/commitdiff
[POWERPC] qe: Fix QUICC Engine SDMA setup errors
authorChuck Meade <chuckmeade@mindspring.com>
Tue, 27 Mar 2007 14:46:10 +0000 (10:46 -0400)
committerKumar Gala <galak@kernel.crashing.org>
Thu, 29 Mar 2007 19:33:42 +0000 (14:33 -0500)
Correct the alignment of the internal buffer used by the QUICC Engine
SDMA controller to 4Kbytes.  Correct the shift direction in the logic
that sets up the SDMR register for the QUICC Engine SDMA controller.

Signed-off-by: Chuck Meade <chuckmeade@mindspring.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
arch/powerpc/sysdev/qe_lib/qe.c

index e3d71e083f355ff2a1975229642e18714acb65f2..43f6cc9d7ea0768068dd78de54e96cf7b037c8cc 100644 (file)
@@ -251,13 +251,13 @@ static int qe_sdma_init(void)
 
        /* allocate 2 internal temporary buffers (512 bytes size each) for
         * the SDMA */
-       sdma_buf_offset = qe_muram_alloc(512 * 2, 64);
+       sdma_buf_offset = qe_muram_alloc(512 * 2, 4096);
        if (IS_MURAM_ERR(sdma_buf_offset))
                return -ENOMEM;
 
        out_be32(&sdma->sdebcr, sdma_buf_offset & QE_SDEBCR_BA_MASK);
-       out_be32(&sdma->sdmr, (QE_SDMR_GLB_1_MSK | (0x1 >>
-                                       QE_SDMR_CEN_SHIFT)));
+       out_be32(&sdma->sdmr, (QE_SDMR_GLB_1_MSK |
+                                       (0x1 << QE_SDMR_CEN_SHIFT)));
 
        return 0;
 }