[PATCH v2 01/16] bus/dpaa: use non-block mode for FD open

[Gagandeep Singh]

From: Vanshika Shukla <vanshika.shu...@nxp.com>

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.shu...@nxp.com>
Acked-by: Hemant Agrawal <hemant.agra...@nxp.com>
---
 drivers/bus/dpaa/base/qbman/qman_driver.c | 6 +++---
 drivers/net/dpaa/dpaa_ethdev.c            | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/bus/dpaa/base/qbman/qman_driver.c 
b/drivers/bus/dpaa/base/qbman/qman_driver.c
index dfbafe581a..7a129a2d86 100644
--- a/drivers/bus/dpaa/base/qbman/qman_driver.c
+++ b/drivers/bus/dpaa/base/qbman/qman_driver.c
@@ -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;
diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c
index f21cbba0d9..abcb1bc9ec 100644
--- a/drivers/net/dpaa/dpaa_ethdev.c
+++ b/drivers/net/dpaa/dpaa_ethdev.c
@@ -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);
 
-- 
2.25.1