In order to avoid any risk of JR IRQ request being handled while some of the resources used for that are not yet allocated move the code requesting said IRQ to the endo of caam_jr_init(). Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx> Cc: Chris Spencer <christopher.spencer@xxxxxxxxx> Cc: Cory Tusar <cory.tusar@xxxxxxxx> Cc: Chris Healy <cphealy@xxxxxxxxx> Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx> Cc: Horia Geantă <horia.geanta@xxxxxxx> Cc: Aymen Sghaier <aymen.sghaier@xxxxxxx> Cc: Leonard Crestez <leonard.crestez@xxxxxxx> Cc: linux-crypto@xxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx --- drivers/crypto/caam/jr.c | 34 +++++++++++++++------------------- 1 file changed, 15 insertions(+), 19 deletions(-) diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c index ea02f7774f7c..98b308de42c0 100644 --- a/drivers/crypto/caam/jr.c +++ b/drivers/crypto/caam/jr.c @@ -428,38 +428,26 @@ static int caam_jr_init(struct device *dev) jrp = dev_get_drvdata(dev); - tasklet_init(&jrp->irqtask, caam_jr_dequeue, (unsigned long)dev); - - /* Connect job ring interrupt handler. */ - error = devm_request_irq(dev, jrp->irq, caam_jr_interrupt, IRQF_SHARED, - dev_name(dev), dev); - if (error) { - dev_err(dev, "can't connect JobR %d interrupt (%d)\n", - jrp->ridx, jrp->irq); - goto out_kill_deq; - } - error = caam_reset_hw_jr(dev); if (error) - goto out_kill_deq; + return error; - error = -ENOMEM; jrp->inpring = dmam_alloc_coherent(dev, sizeof(*jrp->inpring) * JOBR_DEPTH, &inpbusaddr, GFP_KERNEL); if (!jrp->inpring) - goto out_kill_deq; + return -ENOMEM; jrp->outring = dmam_alloc_coherent(dev, sizeof(*jrp->outring) * JOBR_DEPTH, &outbusaddr, GFP_KERNEL); if (!jrp->outring) - goto out_kill_deq; + return -ENOMEM; jrp->entinfo = devm_kcalloc(dev, JOBR_DEPTH, sizeof(*jrp->entinfo), GFP_KERNEL); if (!jrp->entinfo) - goto out_kill_deq; + return -ENOMEM; for (i = 0; i < JOBR_DEPTH; i++) jrp->entinfo[i].desc_addr_dma = !0; @@ -483,9 +471,17 @@ static int caam_jr_init(struct device *dev) (JOBR_INTC_COUNT_THLD << JRCFG_ICDCT_SHIFT) | (JOBR_INTC_TIME_THLD << JRCFG_ICTT_SHIFT)); - return 0; -out_kill_deq: - tasklet_kill(&jrp->irqtask); + tasklet_init(&jrp->irqtask, caam_jr_dequeue, (unsigned long)dev); + + /* Connect job ring interrupt handler. */ + error = devm_request_irq(dev, jrp->irq, caam_jr_interrupt, IRQF_SHARED, + dev_name(dev), dev); + if (error) { + dev_err(dev, "can't connect JobR %d interrupt (%d)\n", + jrp->ridx, jrp->irq); + tasklet_kill(&jrp->irqtask); + } + return error; } -- 2.21.0