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Commit 7f013bc9 authored by Chuck Meade's avatar Chuck Meade Committed by Kumar Gala
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[POWERPC] qe: Fix QUICC Engine SDMA setup errors 



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: default avatarChuck Meade <chuckmeade@mindspring.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 399afa4f

arch/powerpc/sysdev/qe_lib/qe.c

+3 −3
Original line number Diff line number Diff line
@@ -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;

}