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Commit 5d4a0781 authored by Komal Seelam's avatar Komal Seelam Committed by Gerrit - the friendly Code Review server
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cnss: Support for cnss memory expansion. 



Add supporting API for cnss memory expansion to check for the supported
target revisions.
Memset the DMA memory to zero.

Change-Id: I03a61be219865534e93fccc6d6e0c976ddf6848a
Signed-off-by: default avatarKomal Kumar <kseelam@codeaurora.org>
parent 7558a649

drivers/net/wireless/cnss/cnss.c

+14 −4
Original line number Diff line number Diff line
@@ -1197,6 +1197,17 @@ static ssize_t wlan_setup_show(struct device *dev, 
static DEVICE_ATTR(wlan_setup, S_IRUSR,

			wlan_setup_show, NULL);



static int cnss_wlan_is_codeswap_supported(u16 revision)

{

	switch (revision) {

	case QCA6174_FW_3_0:

	case QCA6174_FW_3_2:

		return 0;

	default:

		return 1;

	}

}



static int cnss_wlan_pci_probe(struct pci_dev *pdev,

			       const struct pci_device_id *id)

{
@@ -1269,8 +1280,7 @@ static int cnss_wlan_pci_probe(struct pci_dev *pdev, 
		goto err_pcie_suspend;

	}



	if (penv->revision_id != QCA6174_FW_3_0 ||

		penv->revision_id != QCA6174_FW_3_2) {

	if (cnss_wlan_is_codeswap_supported(penv->revision_id)) {

		pr_debug("Code-swap not enabled: %d\n", penv->revision_id);

		goto err_pcie_suspend;

	}
@@ -1282,6 +1292,7 @@ static int cnss_wlan_pci_probe(struct pci_dev *pdev, 
		goto err_pcie_suspend;

	}



	memset(cpu_addr, 0, EVICT_BIN_MAX_SIZE);

	cnss_seg_info = devm_kzalloc(dev, sizeof(*cnss_seg_info),

							GFP_KERNEL);

	if (!cnss_seg_info) {
@@ -1724,8 +1735,7 @@ again: 
	}

	penv->pcie_link_state = PCIE_LINK_UP;



	if (penv->revision_id == QCA6174_FW_3_0 ||

		penv->revision_id == QCA6174_FW_3_2)

	if (!cnss_wlan_is_codeswap_supported(penv->revision_id))

		cnss_wlan_memory_expansion();



	if (wdrv->probe) {