diff options
| author |   Tomi Valkeinen <tomi.valkeinen@ti.com> | 2020-03-25 13:14:59 +0100 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-04-14 12:48:06 +0200 |
| commit | 09ea44ca0743ad0b0b29935916f4fbf296a3cc1a (patch) | |
| tree | 2578f4527751ff5d03f240a3a4d677e89d95658c /drivers/media/platform | |
| parent | media: ti-vpe: cal: print errors on timeouts (diff) | |
| download | wireguard-linux-09ea44ca0743ad0b0b29935916f4fbf296a3cc1a.tar.xz wireguard-linux-09ea44ca0743ad0b0b29935916f4fbf296a3cc1a.zip | |
media: ti-vpe: cal: simplify irq handling
Instead of having identical code block to handle irqs for the two CAL
ports, we can have a for loop and a single code block.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/ti-vpe/cal.c | 68 |
1 files changed, 25 insertions, 43 deletions
diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c index 9bfe83fdd76e..df06ecfdfc6a 100644 --- a/drivers/media/platform/ti-vpe/cal.c +++ b/drivers/media/platform/ti-vpe/cal.c @@ -1221,64 +1221,46 @@ static irqreturn_t cal_irq(int irq_cal, void *data) /* Check which DMA just finished */ irqst2 = reg_read(dev, CAL_HL_IRQSTATUS(2)); if (irqst2) { + int i; + /* Clear Interrupt status */ reg_write(dev, CAL_HL_IRQSTATUS(2), irqst2); - /* Need to check both port */ - if (isportirqset(irqst2, 1)) { - ctx = dev->ctx[0]; - - spin_lock(&ctx->slock); - ctx->dma_act = false; - - if (ctx->cur_frm != ctx->next_frm) - cal_process_buffer_complete(ctx); - - spin_unlock(&ctx->slock); - } - - if (isportirqset(irqst2, 2)) { - ctx = dev->ctx[1]; + for (i = 1; i <= 2; ++i) { + if (isportirqset(irqst2, i)) { + ctx = dev->ctx[i - 1]; - spin_lock(&ctx->slock); - ctx->dma_act = false; + spin_lock(&ctx->slock); + ctx->dma_act = false; - if (ctx->cur_frm != ctx->next_frm) - cal_process_buffer_complete(ctx); + if (ctx->cur_frm != ctx->next_frm) + cal_process_buffer_complete(ctx); - spin_unlock(&ctx->slock); + spin_unlock(&ctx->slock); + } } } /* Check which DMA just started */ irqst3 = reg_read(dev, CAL_HL_IRQSTATUS(3)); if (irqst3) { + int i; + /* Clear Interrupt status */ reg_write(dev, CAL_HL_IRQSTATUS(3), irqst3); - /* Need to check both port */ - if (isportirqset(irqst3, 1)) { - ctx = dev->ctx[0]; - dma_q = &ctx->vidq; - - spin_lock(&ctx->slock); - ctx->dma_act = true; - if (!list_empty(&dma_q->active) && - ctx->cur_frm == ctx->next_frm) - cal_schedule_next_buffer(ctx); - spin_unlock(&ctx->slock); - } - - if (isportirqset(irqst3, 2)) { - ctx = dev->ctx[1]; - dma_q = &ctx->vidq; - - spin_lock(&ctx->slock); - ctx->dma_act = true; - if (!list_empty(&dma_q->active) && - ctx->cur_frm == ctx->next_frm) - cal_schedule_next_buffer(ctx); - spin_unlock(&ctx->slock); + for (i = 1; i <= 2; ++i) { + if (isportirqset(irqst3, i)) { + ctx = dev->ctx[i - 1]; + dma_q = &ctx->vidq; + + spin_lock(&ctx->slock); + ctx->dma_act = true; + if (!list_empty(&dma_q->active) && + ctx->cur_frm == ctx->next_frm) + cal_schedule_next_buffer(ctx); + spin_unlock(&ctx->slock); + } } } |