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Commit 03fccd39 authored by Skylar Chang's avatar Skylar Chang
Browse files

msm: ipa: open IPA config space in AP/wlan CBs 



Open up access to entire IPA config space in
AP-CB and WLAN-CB for modem IPA-Q6.

Change-Id: Id69b17e5e17a43120c2baf53376d98319b284927
Signed-off-by: default avatarSkylar Chang <chiaweic@codeaurora.org>
parent 3bc72a9c

drivers/platform/msm/ipa/ipa.c

+20 −0
Original line number Diff line number Diff line
@@ -3855,6 +3855,16 @@ static int ipa_smmu_wlan_cb_probe(struct device *dev) 
		return ret;

	}



	IPAERR("map IPA region to WLAN_CB IOMMU\n");

	ret = iommu_map(cb->iommu, 0x680000, 0x680000,

			0x64000,

			IOMMU_READ | IOMMU_WRITE | IOMMU_DEVICE);

	if (ret) {

		IPAERR("map IPA to WLAN_CB IOMMU failed ret=%d\n",

			ret);

		return ret;

	}



	cb->valid = true;



	return 0;
@@ -3932,6 +3942,16 @@ static int ipa_smmu_ap_cb_probe(struct device *dev) 
		return -EPROBE_DEFER;

	}



	IPAERR("map IPA region to AP_CB IOMMU\n");

	result = iommu_map(cb->mapping->domain, 0x680000, 0x680000,

		0x64000,

			IOMMU_READ | IOMMU_WRITE | IOMMU_DEVICE);

	if (result) {

		IPAERR("map IPA region to AP_CB IOMMU failed ret=%d\n",

			result);

		return result;

	}



	if (smmu_disable_htw) {

		if (iommu_domain_set_attr(cb->mapping->domain,

				DOMAIN_ATTR_COHERENT_HTW_DISABLE,