Blackfin: debug-mmrs: disable PERIPHERAL_MAP for IMDMA channels



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>

parent ef0531b2

arch/blackfin/kernel/debug-mmrs.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -223,6 +223,7 @@ 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);
		if (strcmp(pfx, "IMDMA") != 0)
		__DMA(PERIPHERAL_MAP, peripheral_map);
		__DMA(CURR_X_COUNT, curr_x_count);
		__DMA(CURR_Y_COUNT, curr_y_count);