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authorBibby Hsieh <bibby.hsieh@mediatek.com>2019-08-29 03:48:10 +0200
committerJassi Brar <jaswinder.singh@linaro.org>2019-09-17 07:40:05 +0200
commit2c49e4e846bf365e8e683e3229d240f70eef65fc (patch)
treec1ef63437bac55a6599a6961c8fdd19b98e0ac79
parentdt-binding: gce: add binding for gce client reg property (diff)
downloadlinux-2c49e4e846bf365e8e683e3229d240f70eef65fc.tar.xz
linux-2c49e4e846bf365e8e683e3229d240f70eef65fc.zip
mailbox: mediatek: cmdq: move the CMDQ_IRQ_MASK into cmdq driver data
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> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
-rw-r--r--drivers/mailbox/mtk-cmdq-mailbox.c12
1 files 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);