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Blackfin: debug-mmrs: disable PERIPHERAL_MAP for IMDMA channels

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The documentation for the IMDMA channels appears to be incorrect.
These DMA blocks don't actually have PERIPHERAL_MAP MMRs for us
to access.  Attempts to do so lead to system mmr hardware errors.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2011-06-08 15:48:57 -04:00
parent ef0531b2e4
commit e14062563c
1 changed files with 2 additions and 1 deletions
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3
arch/blackfin/kernel/debug-mmrs.c
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@ -223,7 +223,8 @@ bfin_debug_mmrs_dma(struct dentry *parent, unsigned long base, int num, char mdm
__DMA(CURR_DESC_PTR, curr_desc_ptr);
__DMA(CURR_ADDR, curr_addr);
__DMA(IRQ_STATUS, irq_status);
__DMA(PERIPHERAL_MAP, peripheral_map);
if (strcmp(pfx, "IMDMA") != 0)
__DMA(PERIPHERAL_MAP, peripheral_map);
__DMA(CURR_X_COUNT, curr_x_count);
__DMA(CURR_Y_COUNT, curr_y_count);
}