| Message ID | 20190820084932.22282-5-bibby.hsieh@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | support gce on mt8183 platform | expand |
On 20/08/2019 10:49, Bibby Hsieh wrote: > The interrupt mask and thread number has positive correlation, > so we move the CMDQ_IRQ_MASK into cmdq driver data and calculate > it by thread number. > > Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com> > Reviewed-by: CK Hu <ck.hu@mediatek.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> > --- > drivers/mailbox/mtk-cmdq-mailbox.c | 12 +++++++----- > 1 file changed, 7 insertions(+), 5 deletions(-) > > diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c > index 00d5219094e5..8fddd26288e8 100644 > --- a/drivers/mailbox/mtk-cmdq-mailbox.c > +++ b/drivers/mailbox/mtk-cmdq-mailbox.c > @@ -18,7 +18,6 @@ > #include <linux/of_device.h> > > #define CMDQ_OP_CODE_MASK (0xff << CMDQ_OP_CODE_SHIFT) > -#define CMDQ_IRQ_MASK 0xffff > #define CMDQ_NUM_CMD(t) (t->cmd_buf_size / CMDQ_INST_SIZE) > > #define CMDQ_CURR_IRQ_STATUS 0x10 > @@ -72,6 +71,7 @@ struct cmdq { > void __iomem *base; > u32 irq; > u32 thread_nr; > + u32 irq_mask; > struct cmdq_thread *thread; > struct clk *clock; > bool suspended; > @@ -285,11 +285,11 @@ static irqreturn_t cmdq_irq_handler(int irq, void *dev) > unsigned long irq_status, flags = 0L; > int bit; > > - irq_status = readl(cmdq->base + CMDQ_CURR_IRQ_STATUS) & CMDQ_IRQ_MASK; > - if (!(irq_status ^ CMDQ_IRQ_MASK)) > + irq_status = readl(cmdq->base + CMDQ_CURR_IRQ_STATUS) & cmdq->irq_mask; > + if (!(irq_status ^ cmdq->irq_mask)) > return IRQ_NONE; > > - for_each_clear_bit(bit, &irq_status, fls(CMDQ_IRQ_MASK)) { > + for_each_clear_bit(bit, &irq_status, cmdq->thread_nr) { > struct cmdq_thread *thread = &cmdq->thread[bit]; > > spin_lock_irqsave(&thread->chan->lock, flags); > @@ -473,6 +473,9 @@ static int cmdq_probe(struct platform_device *pdev) > dev_err(dev, "failed to get irq\n"); > return -EINVAL; > } > + > + cmdq->thread_nr = (u32)(unsigned long)of_device_get_match_data(dev); > + cmdq->irq_mask = GENMASK(cmdq->thread_nr - 1, 0); > err = devm_request_irq(dev, cmdq->irq, cmdq_irq_handler, IRQF_SHARED, > "mtk_cmdq", cmdq); > if (err < 0) { > @@ -489,7 +492,6 @@ static int cmdq_probe(struct platform_device *pdev) > return PTR_ERR(cmdq->clock); > } > > - cmdq->thread_nr = (u32)(unsigned long)of_device_get_match_data(dev); > cmdq->mbox.dev = dev; > cmdq->mbox.chans = devm_kcalloc(dev, cmdq->thread_nr, > sizeof(*cmdq->mbox.chans), GFP_KERNEL); >
diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c index 00d5219094e5..8fddd26288e8 100644 --- a/drivers/mailbox/mtk-cmdq-mailbox.c +++ b/drivers/mailbox/mtk-cmdq-mailbox.c @@ -18,7 +18,6 @@ #include <linux/of_device.h> #define CMDQ_OP_CODE_MASK (0xff << CMDQ_OP_CODE_SHIFT) -#define CMDQ_IRQ_MASK 0xffff #define CMDQ_NUM_CMD(t) (t->cmd_buf_size / CMDQ_INST_SIZE) #define CMDQ_CURR_IRQ_STATUS 0x10 @@ -72,6 +71,7 @@ struct cmdq { void __iomem *base; u32 irq; u32 thread_nr; + u32 irq_mask; struct cmdq_thread *thread; struct clk *clock; bool suspended; @@ -285,11 +285,11 @@ static irqreturn_t cmdq_irq_handler(int irq, void *dev) unsigned long irq_status, flags = 0L; int bit; - irq_status = readl(cmdq->base + CMDQ_CURR_IRQ_STATUS) & CMDQ_IRQ_MASK; - if (!(irq_status ^ CMDQ_IRQ_MASK)) + irq_status = readl(cmdq->base + CMDQ_CURR_IRQ_STATUS) & cmdq->irq_mask; + if (!(irq_status ^ cmdq->irq_mask)) return IRQ_NONE; - for_each_clear_bit(bit, &irq_status, fls(CMDQ_IRQ_MASK)) { + for_each_clear_bit(bit, &irq_status, cmdq->thread_nr) { struct cmdq_thread *thread = &cmdq->thread[bit]; spin_lock_irqsave(&thread->chan->lock, flags); @@ -473,6 +473,9 @@ static int cmdq_probe(struct platform_device *pdev) dev_err(dev, "failed to get irq\n"); return -EINVAL; } + + cmdq->thread_nr = (u32)(unsigned long)of_device_get_match_data(dev); + cmdq->irq_mask = GENMASK(cmdq->thread_nr - 1, 0); err = devm_request_irq(dev, cmdq->irq, cmdq_irq_handler, IRQF_SHARED, "mtk_cmdq", cmdq); if (err < 0) { @@ -489,7 +492,6 @@ static int cmdq_probe(struct platform_device *pdev) return PTR_ERR(cmdq->clock); } - cmdq->thread_nr = (u32)(unsigned long)of_device_get_match_data(dev); cmdq->mbox.dev = dev; cmdq->mbox.chans = devm_kcalloc(dev, cmdq->thread_nr, sizeof(*cmdq->mbox.chans), GFP_KERNEL);