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Commit 0e532e42 authored by Michael Adisumarta's avatar Michael Adisumarta
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msm: ipa: Added check to detect iova range collision 



this fix detects any overlap of IPA AP/ USB iova range with
carved out PCIe/IPA iova range.

Change-Id: Ib2f1f8a011714d918eeced0c6ddb9501ec14f9ce
Acked-by: default avatarJyothi J <jyothij@qti.qualcomm.com>
Signed-off-by: default avatarMichael Adisumarta <madisuma@codeaurora.org>
parent 5c45eea1

drivers/platform/msm/ipa/ipa_v3/ipa_mpm.c

+1 −1
Original line number Diff line number Diff line
@@ -2476,7 +2476,7 @@ static int ipa_mpm_populate_smmu_info(struct platform_device *pdev) 
	cb->va_size = carved_iova_ap_mapping[1];

	cb->va_end = cb->va_start + cb->va_size;



	if (cb->va_start >= ap_cb->va_start && cb->va_start < ap_cb->va_end) {

	if (cb->va_start >= ap_cb->va_start || cb->va_end >= ap_cb->va_start) {

		IPA_MPM_ERR("MPM iommu and AP overlap addr 0x%lx\n",

				cb->va_start);

		ipa_assert();