Thread (2 messages) 2 messages, 2 authors, 2017-06-08

[PATCH net-next] net: ethernet: ti: cpdma: do not enable host error misc irq

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From: Grygorii Strashko <grygorii.strashko@ti.com>
Date: 2017-06-08 18:52:27
Also in: linux-omap, lkml
Subsystem: networking drivers, the rest, ti ethernet switch driver (cpsw) · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

CPSW driver does not handle this interrupt, so there are no reasons to enable
it in hardware.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
no changes, just resubmitting with proper subj line.

 drivers/net/ethernet/ti/davinci_cpdma.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c
index 7ecc6b7..e4d6edf 100644
--- a/drivers/net/ethernet/ti/davinci_cpdma.c
+++ b/drivers/net/ethernet/ti/davinci_cpdma.c
@@ -645,7 +645,7 @@ EXPORT_SYMBOL_GPL(cpdma_ctlr_destroy);
 int cpdma_ctlr_int_ctrl(struct cpdma_ctlr *ctlr, bool enable)
 {
 	unsigned long flags;
-	int i, reg;
+	int i;
 
 	spin_lock_irqsave(&ctlr->lock, flags);
 	if (ctlr->state != CPDMA_STATE_ACTIVE) {
@@ -653,9 +653,6 @@ int cpdma_ctlr_int_ctrl(struct cpdma_ctlr *ctlr, bool enable)
 		return -EINVAL;
 	}
 
-	reg = enable ? CPDMA_DMAINTMASKSET : CPDMA_DMAINTMASKCLEAR;
-	dma_reg_write(ctlr, reg, CPDMA_DMAINT_HOSTERR);
-
 	for (i = 0; i < ARRAY_SIZE(ctlr->channels); i++) {
 		if (ctlr->channels[i])
 			cpdma_chan_int_ctrl(ctlr->channels[i], enable);
-- 
2.10.1
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