pci.c (728e26c3ac89427de181c1e8400d27d7b6c3a8a5) pci.c (87b4072d7ef818e368b0f4162a1af2fb4727f51c)
1// SPDX-License-Identifier: BSD-3-Clause-Clear
2/*
3 * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
4 */
5
6#include <linux/module.h>
7#include <linux/msi.h>
8#include <linux/pci.h>

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928 return ret;
929}
930
931static void ath11k_pci_free_msi(struct ath11k_pci *ab_pci)
932{
933 pci_free_irq_vectors(ab_pci->pdev);
934}
935
1// SPDX-License-Identifier: BSD-3-Clause-Clear
2/*
3 * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
4 */
5
6#include <linux/module.h>
7#include <linux/msi.h>
8#include <linux/pci.h>

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928 return ret;
929}
930
931static void ath11k_pci_free_msi(struct ath11k_pci *ab_pci)
932{
933 pci_free_irq_vectors(ab_pci->pdev);
934}
935
936static int ath11k_pci_config_msi_data(struct ath11k_pci *ab_pci)
937{
938 struct msi_desc *msi_desc;
939
940 msi_desc = irq_get_msi_desc(ab_pci->pdev->irq);
941 if (!msi_desc) {
942 ath11k_err(ab_pci->ab, "msi_desc is NULL!\n");
943 pci_free_irq_vectors(ab_pci->pdev);
944 return -EINVAL;
945 }
946
947 ab_pci->msi_ep_base_data = msi_desc->msg.data;
948
949 ath11k_dbg(ab_pci->ab, ATH11K_DBG_PCI, "pci after request_irq msi_ep_base_data %d\n",
950 ab_pci->msi_ep_base_data);
951
952 return 0;
953}
954
936static int ath11k_pci_claim(struct ath11k_pci *ab_pci, struct pci_dev *pdev)
937{
938 struct ath11k_base *ab = ab_pci->ab;
939 u16 device_id;
940 int ret = 0;
941
942 pci_read_config_word(pdev, PCI_DEVICE_ID, &device_id);
943 if (device_id != ab_pci->dev_id) {

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1337 ath11k_pci_init_qmi_ce_config(ab);
1338
1339 ret = ath11k_pci_config_irq(ab);
1340 if (ret) {
1341 ath11k_err(ab, "failed to config irq: %d\n", ret);
1342 goto err_ce_free;
1343 }
1344
955static int ath11k_pci_claim(struct ath11k_pci *ab_pci, struct pci_dev *pdev)
956{
957 struct ath11k_base *ab = ab_pci->ab;
958 u16 device_id;
959 int ret = 0;
960
961 pci_read_config_word(pdev, PCI_DEVICE_ID, &device_id);
962 if (device_id != ab_pci->dev_id) {

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1356 ath11k_pci_init_qmi_ce_config(ab);
1357
1358 ret = ath11k_pci_config_irq(ab);
1359 if (ret) {
1360 ath11k_err(ab, "failed to config irq: %d\n", ret);
1361 goto err_ce_free;
1362 }
1363
1364 /* kernel may allocate a dummy vector before request_irq and
1365 * then allocate a real vector when request_irq is called.
1366 * So get msi_data here again to avoid spurious interrupt
1367 * as msi_data will configured to srngs.
1368 */
1369 ret = ath11k_pci_config_msi_data(ab_pci);
1370 if (ret) {
1371 ath11k_err(ab, "failed to config msi_data: %d\n", ret);
1372 goto err_free_irq;
1373 }
1374
1345 ret = ath11k_core_init(ab);
1346 if (ret) {
1347 ath11k_err(ab, "failed to init core: %d\n", ret);
1348 goto err_free_irq;
1349 }
1350 return 0;
1351
1352err_free_irq:

--- 124 unchanged lines hidden --- 		1375 ret = ath11k_core_init(ab);
1376 if (ret) {
1377 ath11k_err(ab, "failed to init core: %d\n", ret);
1378 goto err_free_irq;
1379 }
1380 return 0;
1381
1382err_free_irq:

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