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bus/dpaa: open QMAN interrupt file as non-blocking

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This patch sets qman portal file descriptors used for
interrupts IO processing in non-blocking mode to avoid
any unwanted blocks while IO operations over the FD.

Signed-off-by: Vanshika Shukla <vanshika.shukla@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
This commit is contained in:
Vanshika Shukla 2022-10-07 08:57:28 +05:30 committed by Ferruh Yigit
parent 6b81dddbb9
commit 05500852af
2 changed files with 4 additions and 4 deletions
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6
drivers/bus/dpaa/base/qbman/qman_driver.c
View File

@ -1,7 +1,7 @@
/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
*
* Copyright 2008-2016 Freescale Semiconductor Inc.
* Copyright 2017,2019 NXP
* Copyright 2017-2022 NXP
*
*/
@ -64,7 +64,7 @@ static int fsl_qman_portal_init(uint32_t index, int is_shared)
qpcfg.addr_virt[DPAA_PORTAL_CE] = map.addr.cena;
qpcfg.addr_virt[DPAA_PORTAL_CI] = map.addr.cinh;
qmfd = open(QMAN_PORTAL_IRQ_PATH, O_RDONLY);
qmfd = open(QMAN_PORTAL_IRQ_PATH, O_RDONLY | O_NONBLOCK);
if (qmfd == -1) {
pr_err("QMan irq init failed\n");
process_portal_unmap(&map.addr);
@ -174,7 +174,7 @@ struct qman_portal *fsl_qman_fq_portal_create(int *fd)
q_pcfg->addr_virt[DPAA_PORTAL_CE] = q_map.addr.cena;
q_pcfg->addr_virt[DPAA_PORTAL_CI] = q_map.addr.cinh;
q_fd = open(QMAN_PORTAL_IRQ_PATH, O_RDONLY);
q_fd = open(QMAN_PORTAL_IRQ_PATH, O_RDONLY | O_NONBLOCK);
if (q_fd == -1) {
pr_err("QMan irq init failed\n");
goto err;

2
drivers/net/dpaa/dpaa_ethdev.c
View File

@ -1496,7 +1496,7 @@ static int dpaa_dev_queue_intr_disable(struct rte_eth_dev *dev,
temp1 = read(rxq->q_fd, &temp, sizeof(temp));
if (temp1 != sizeof(temp))
DPAA_PMD_ERR("irq read error");
DPAA_PMD_DEBUG("read did not return anything");
qman_fq_portal_thread_irq(rxq->qp);