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[net-next,v3,11/15] net: ehea: Convert tasklet API to new bottom half workqueue mechanism

Message ID 20240730183403.4176544-12-allen.lkml@gmail.com (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series ethernet: Convert from tasklet to BH workqueue | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next, async
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 7 this patch: 7
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 3 maintainers not CCed: linux-mediatek@lists.infradead.org linux-arm-kernel@lists.infradead.org u.kleine-koenig@pengutronix.de
netdev/build_clang success Errors and warnings before: 7 this patch: 7
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 7 this patch: 7
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 66 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-07-31--12-00 (tests: 707)

Commit Message

Allen July 30, 2024, 6:33 p.m. UTC 
Migrate tasklet APIs to the new bottom half workqueue mechanism. It
replaces all occurrences of tasklet usage with the appropriate workqueue
APIs throughout the ehea driver. This transition ensures compatibility
with the latest design and enhances performance.

Signed-off-by: Allen Pais <allen.lkml@gmail.com>
---
 drivers/net/ethernet/ibm/ehea/ehea.h      |  3 ++-
 drivers/net/ethernet/ibm/ehea/ehea_main.c | 14 +++++++-------
 2 files changed, 9 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/ibm/ehea/ehea.h b/drivers/net/ethernet/ibm/ehea/ehea.h
index 208c440a602b..c1e7e22884fa 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea.h
+++ b/drivers/net/ethernet/ibm/ehea/ehea.h
@@ -19,6 +19,7 @@ 
 #include <linux/ethtool.h>
 #include <linux/vmalloc.h>
 #include <linux/if_vlan.h>
+#include <linux/workqueue.h>
 #include <linux/platform_device.h>
 
 #include <asm/ibmebus.h>
@@ -381,7 +382,7 @@  struct ehea_adapter {
 	struct platform_device *ofdev;
 	struct ehea_port *port[EHEA_MAX_PORTS];
 	struct ehea_eq *neq;       /* notification event queue */
-	struct tasklet_struct neq_tasklet;
+	struct work_struct neq_bh_work;
 	struct ehea_mr mr;
 	u32 pd;                    /* protection domain */
 	u64 max_mc_mac;            /* max number of multicast mac addresses */
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c
index 1e29e5c9a2df..6960d06805f6 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_main.c
+++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c
@@ -976,7 +976,7 @@  int ehea_sense_port_attr(struct ehea_port *port)
 	u64 hret;
 	struct hcp_ehea_port_cb0 *cb0;
 
-	/* may be called via ehea_neq_tasklet() */
+	/* may be called via ehea_neq_bh_work() */
 	cb0 = (void *)get_zeroed_page(GFP_ATOMIC);
 	if (!cb0) {
 		pr_err("no mem for cb0\n");
@@ -1216,9 +1216,9 @@  static void ehea_parse_eqe(struct ehea_adapter *adapter, u64 eqe)
 	}
 }
 
-static void ehea_neq_tasklet(struct tasklet_struct *t)
+static void ehea_neq_bh_work(struct work_struct *work)
 {
-	struct ehea_adapter *adapter = from_tasklet(adapter, t, neq_tasklet);
+	struct ehea_adapter *adapter = from_work(adapter, work, neq_bh_work);
 	struct ehea_eqe *eqe;
 	u64 event_mask;
 
@@ -1243,7 +1243,7 @@  static void ehea_neq_tasklet(struct tasklet_struct *t)
 static irqreturn_t ehea_interrupt_neq(int irq, void *param)
 {
 	struct ehea_adapter *adapter = param;
-	tasklet_hi_schedule(&adapter->neq_tasklet);
+	queue_work(system_bh_highpri_wq, &adapter->neq_bh_work);
 	return IRQ_HANDLED;
 }
 
@@ -3423,7 +3423,7 @@  static int ehea_probe_adapter(struct platform_device *dev)
 		goto out_free_ad;
 	}
 
-	tasklet_setup(&adapter->neq_tasklet, ehea_neq_tasklet);
+	INIT_WORK(&adapter->neq_bh_work, ehea_neq_bh_work);
 
 	ret = ehea_create_device_sysfs(dev);
 	if (ret)
@@ -3444,7 +3444,7 @@  static int ehea_probe_adapter(struct platform_device *dev)
 	}
 
 	/* Handle any events that might be pending. */
-	tasklet_hi_schedule(&adapter->neq_tasklet);
+	queue_work(system_bh_highpri_wq, &adapter->neq_bh_work);
 
 	ret = 0;
 	goto out;
@@ -3485,7 +3485,7 @@  static void ehea_remove(struct platform_device *dev)
 	ehea_remove_device_sysfs(dev);
 
 	ibmebus_free_irq(adapter->neq->attr.ist1, adapter);
-	tasklet_kill(&adapter->neq_tasklet);
+	cancel_work_sync(&adapter->neq_bh_work);
 
 	ehea_destroy_eq(adapter->neq);
 	ehea_remove_adapter_mr(adapter);