forked from Minki/linux
misc: fastrpc: consider address offset before sending to DSP
While passing address phy address to DSP, take care of the offset
calculated from virtual address vma.
Fixes: c68cfb718c
("misc: fastrpc: Add support for context Invoke method")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -679,8 +679,16 @@ static int fastrpc_get_args(u32 kernel, struct fastrpc_invoke_ctx *ctx)
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pages[i].size = roundup(len, PAGE_SIZE);
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if (ctx->maps[i]) {
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struct vm_area_struct *vma = NULL;
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rpra[i].pv = (u64) ctx->args[i].ptr;
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pages[i].addr = ctx->maps[i]->phys;
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vma = find_vma(current->mm, ctx->args[i].ptr);
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if (vma)
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pages[i].addr += ctx->args[i].ptr -
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vma->vm_start;
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} else {
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rlen -= ALIGN(args, FASTRPC_ALIGN) - args;
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args = ALIGN(args, FASTRPC_ALIGN);
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