diff mbox series

[net-next,v3,04/15] net: macb: Convert tasklet API to new bottom half workqueue mechanism

Message ID 20240730183403.4176544-5-allen.lkml@gmail.com (mailing list archive)
State Accepted
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: 42 this patch: 42
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 2 maintainers not CCed: linux-mediatek@lists.infradead.org linux-arm-kernel@lists.infradead.org
netdev/build_clang success Errors and warnings before: 43 this patch: 43
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: 65 this patch: 65
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 50 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 macb driver. This transition ensures compatibility
with the latest design and enhances performance.

Signed-off-by: Allen Pais <allen.lkml@gmail.com>
---
 drivers/net/ethernet/cadence/macb.h      |  3 ++-
 drivers/net/ethernet/cadence/macb_main.c | 10 +++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index ea71612f6b36..5740c98d8c9f 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -13,6 +13,7 @@ 
 #include <linux/net_tstamp.h>
 #include <linux/interrupt.h>
 #include <linux/phy/phy.h>
+#include <linux/workqueue.h>
 
 #if defined(CONFIG_ARCH_DMA_ADDR_T_64BIT) || defined(CONFIG_MACB_USE_HWSTAMP)
 #define MACB_EXT_DESC
@@ -1330,7 +1331,7 @@  struct macb {
 	spinlock_t rx_fs_lock;
 	unsigned int max_tuples;
 
-	struct tasklet_struct	hresp_err_tasklet;
+	struct work_struct	hresp_err_bh_work;
 
 	int	rx_bd_rd_prefetch;
 	int	tx_bd_rd_prefetch;
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 11665be3a22c..95e8742dce1d 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -1792,9 +1792,9 @@  static int macb_tx_poll(struct napi_struct *napi, int budget)
 	return work_done;
 }
 
-static void macb_hresp_error_task(struct tasklet_struct *t)
+static void macb_hresp_error_task(struct work_struct *work)
 {
-	struct macb *bp = from_tasklet(bp, t, hresp_err_tasklet);
+	struct macb *bp = from_work(bp, work, hresp_err_bh_work);
 	struct net_device *dev = bp->dev;
 	struct macb_queue *queue;
 	unsigned int q;
@@ -1994,7 +1994,7 @@  static irqreturn_t macb_interrupt(int irq, void *dev_id)
 		}
 
 		if (status & MACB_BIT(HRESP)) {
-			tasklet_schedule(&bp->hresp_err_tasklet);
+			queue_work(system_bh_wq, &bp->hresp_err_bh_work);
 			netdev_err(dev, "DMA bus error: HRESP not OK\n");
 
 			if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE)
@@ -5172,7 +5172,7 @@  static int macb_probe(struct platform_device *pdev)
 		goto err_out_unregister_mdio;
 	}
 
-	tasklet_setup(&bp->hresp_err_tasklet, macb_hresp_error_task);
+	INIT_WORK(&bp->hresp_err_bh_work, macb_hresp_error_task);
 
 	netdev_info(dev, "Cadence %s rev 0x%08x at 0x%08lx irq %d (%pM)\n",
 		    macb_is_gem(bp) ? "GEM" : "MACB", macb_readl(bp, MID),
@@ -5216,7 +5216,7 @@  static void macb_remove(struct platform_device *pdev)
 		mdiobus_free(bp->mii_bus);
 
 		unregister_netdev(dev);
-		tasklet_kill(&bp->hresp_err_tasklet);
+		cancel_work_sync(&bp->hresp_err_bh_work);
 		pm_runtime_disable(&pdev->dev);
 		pm_runtime_dont_use_autosuspend(&pdev->dev);
 		if (!pm_runtime_suspended(&pdev->dev)) {