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143 lines
3.5 KiB
Diff
143 lines
3.5 KiB
Diff
--- a/drivers/cbus/retu.c
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+++ b/drivers/cbus/retu.c
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@@ -53,9 +53,6 @@ struct retu {
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int irq;
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- int ack;
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- bool ack_pending;
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-
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int mask;
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bool mask_pending;
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@@ -191,9 +188,10 @@ static irqreturn_t retu_irq_handler(int
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mutex_lock(&retu->mutex);
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idr = __retu_read_reg(retu, RETU_REG_IDR);
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imr = __retu_read_reg(retu, RETU_REG_IMR);
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+ idr &= ~imr;
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+ __retu_write_reg(retu, RETU_REG_IDR, idr);
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mutex_unlock(&retu->mutex);
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- idr &= ~imr;
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if (!idr) {
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dev_vdbg(retu->dev, "No IRQ, spurious?\n");
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return IRQ_NONE;
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@@ -232,15 +230,6 @@ static void retu_irq_unmask(struct irq_d
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}
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-static void retu_irq_ack(struct irq_data *data)
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-{
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- struct retu *retu = irq_data_get_irq_chip_data(data);
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- int irq = data->irq;
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-
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- retu->ack |= (1 << (irq - retu->irq_base));
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- retu->ack_pending = true;
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-}
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-
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static void retu_bus_lock(struct irq_data *data)
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{
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struct retu *retu = irq_data_get_irq_chip_data(data);
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@@ -257,11 +246,6 @@ static void retu_bus_sync_unlock(struct
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retu->mask_pending = false;
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}
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- if (retu->ack_pending) {
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- __retu_write_reg(retu, RETU_REG_IDR, retu->ack);
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- retu->ack_pending = false;
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- }
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-
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mutex_unlock(&retu->mutex);
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}
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@@ -271,7 +255,6 @@ static struct irq_chip retu_irq_chip = {
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.irq_bus_sync_unlock = retu_bus_sync_unlock,
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.irq_mask = retu_irq_mask,
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.irq_unmask = retu_irq_unmask,
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- .irq_ack = retu_irq_ack,
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};
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static inline void retu_irq_setup(int irq)
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@@ -291,8 +274,7 @@ static void retu_irq_init(struct retu *r
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for (irq = base; irq < end; irq++) {
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irq_set_chip_data(irq, retu);
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- irq_set_chip_and_handler(irq, &retu_irq_chip,
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- handle_simple_irq);
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+ irq_set_chip(irq, &retu_irq_chip);
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irq_set_nested_thread(irq, 1);
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retu_irq_setup(irq);
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}
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--- a/drivers/cbus/tahvo.c
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+++ b/drivers/cbus/tahvo.c
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@@ -48,11 +48,9 @@ struct tahvo {
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int irq_end;
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int irq;
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- int ack;
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int mask;
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unsigned int mask_pending:1;
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- unsigned int ack_pending:1;
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unsigned int is_betty:1;
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};
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@@ -138,9 +136,12 @@ static irqreturn_t tahvo_irq_handler(int
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u16 id;
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u16 im;
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+ mutex_lock(&tahvo->mutex);
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id = __tahvo_read_reg(tahvo, TAHVO_REG_IDR);
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im = __tahvo_read_reg(tahvo, TAHVO_REG_IMR);
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id &= ~im;
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+ __tahvo_write_reg(tahvo, TAHVO_REG_IDR, id);
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+ mutex_unlock(&tahvo->mutex);
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if (!id) {
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dev_vdbg(tahvo->dev, "No IRQ, spurious ?\n");
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@@ -177,11 +178,6 @@ static void tahvo_irq_bus_sync_unlock(st
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tahvo->mask_pending = false;
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}
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- if (tahvo->ack_pending) {
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- __tahvo_write_reg(tahvo, TAHVO_REG_IDR, tahvo->ack);
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- tahvo->ack_pending = false;
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- }
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-
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mutex_unlock(&tahvo->mutex);
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}
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@@ -203,22 +199,12 @@ static void tahvo_irq_unmask(struct irq_
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tahvo->mask_pending = true;
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}
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-static void tahvo_irq_ack(struct irq_data *data)
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-{
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- struct tahvo *tahvo = irq_data_get_irq_chip_data(data);
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- int irq = data->irq;
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-
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- tahvo->ack |= (1 << (irq - tahvo->irq_base));
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- tahvo->ack_pending = true;
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-}
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-
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static struct irq_chip tahvo_irq_chip = {
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.name = "tahvo",
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.irq_bus_lock = tahvo_irq_bus_lock,
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.irq_bus_sync_unlock = tahvo_irq_bus_sync_unlock,
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.irq_mask = tahvo_irq_mask,
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.irq_unmask = tahvo_irq_unmask,
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- .irq_ack = tahvo_irq_ack,
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};
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static inline void tahvo_irq_setup(int irq)
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@@ -238,8 +224,7 @@ static void tahvo_irq_init(struct tahvo
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for (irq = base; irq < end; irq++) {
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irq_set_chip_data(irq, tahvo);
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- irq_set_chip_and_handler(irq, &tahvo_irq_chip,
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- handle_simple_irq);
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+ irq_set_chip(irq, &tahvo_irq_chip);
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irq_set_nested_thread(irq, 1);
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tahvo_irq_setup(irq);
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}
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