[net-next v3 15/15] net: mtk-wed: Convert tasklet API to new bottom half workqueue mechanism
From: Allen Pais <hidden>
Date: 2024-07-30 18:34:49
Also in:
linux-arm-kernel, linux-mediatek, linux-rdma, lkml
Subsystem:
mediatek ethernet driver, networking drivers, the rest · Maintainers:
Felix Fietkau, Lorenzo Bianconi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Migrate tasklet APIs to the new bottom half workqueue mechanism. It replaces all occurrences of tasklet usage with the appropriate workqueue APIs throughout the mtk-wed driver. This transition ensures compatibility with the latest design and enhances performance. Signed-off-by: Allen Pais <redacted> --- drivers/net/ethernet/mediatek/mtk_wed_wo.c | 12 ++++++------ drivers/net/ethernet/mediatek/mtk_wed_wo.h | 3 ++- 2 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_wed_wo.c b/drivers/net/ethernet/mediatek/mtk_wed_wo.c
index 7063c78bd35f..acca9ec67fcf 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed_wo.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed_wo.c@@ -71,7 +71,7 @@ static void mtk_wed_wo_irq_enable(struct mtk_wed_wo *wo, u32 mask) { mtk_wed_wo_set_isr_mask(wo, 0, mask, false); - tasklet_schedule(&wo->mmio.irq_tasklet); + queue_work(system_bh_wq, &wo->mmio.irq_bh_work); } static void
@@ -227,14 +227,14 @@ mtk_wed_wo_irq_handler(int irq, void *data) struct mtk_wed_wo *wo = data; mtk_wed_wo_set_isr(wo, 0); - tasklet_schedule(&wo->mmio.irq_tasklet); + queue_work(system_bh_wq, &wo->mmio.irq_bh_work); return IRQ_HANDLED; } -static void mtk_wed_wo_irq_tasklet(struct tasklet_struct *t) +static void mtk_wed_wo_irq_bh_work(struct work_struct *work) { - struct mtk_wed_wo *wo = from_tasklet(wo, t, mmio.irq_tasklet); + struct mtk_wed_wo *wo = from_work(wo, work, mmio.irq_bh_work); u32 intr, mask; /* disable interrupts */
@@ -395,7 +395,7 @@ mtk_wed_wo_hardware_init(struct mtk_wed_wo *wo) wo->mmio.irq = irq_of_parse_and_map(np, 0); wo->mmio.irq_mask = MTK_WED_WO_ALL_INT_MASK; spin_lock_init(&wo->mmio.lock); - tasklet_setup(&wo->mmio.irq_tasklet, mtk_wed_wo_irq_tasklet); + INIT_WORK(&wo->mmio.irq_bh_work, mtk_wed_wo_irq_bh_work); ret = devm_request_irq(wo->hw->dev, wo->mmio.irq, mtk_wed_wo_irq_handler, IRQF_TRIGGER_HIGH,
@@ -449,7 +449,7 @@ mtk_wed_wo_hw_deinit(struct mtk_wed_wo *wo) /* disable interrupts */ mtk_wed_wo_set_isr(wo, 0); - tasklet_disable(&wo->mmio.irq_tasklet); + disable_work_sync(&wo->mmio.irq_bh_work); disable_irq(wo->mmio.irq); devm_free_irq(wo->hw->dev, wo->mmio.irq, wo);
diff --git a/drivers/net/ethernet/mediatek/mtk_wed_wo.h b/drivers/net/ethernet/mediatek/mtk_wed_wo.h
index 87a67fa3868d..50d619fa213a 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed_wo.h
+++ b/drivers/net/ethernet/mediatek/mtk_wed_wo.h@@ -6,6 +6,7 @@ #include <linux/skbuff.h> #include <linux/netdevice.h> +#include <linux/workqueue.h> struct mtk_wed_hw;
@@ -247,7 +248,7 @@ struct mtk_wed_wo { struct regmap *regs; spinlock_t lock; - struct tasklet_struct irq_tasklet; + struct work_struct irq_bh_work; int irq; u32 irq_mask; } mmio;
--
2.34.1