diff options
| author | Christian Ruppert <christian.ruppert@abilis.com> | 2013-04-10 01:56:04 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-12 00:03:22 +0400 |
| commit | 7078b984223e0e0e17ecbf32bd05ef1a927c2788 (patch) | |
| tree | 32b9883747645a3107d49b4a98cf3c46e6523fac | |
| parent | b6a5a7b9a528a8b4c8bec940b607c5dd9102b8cc (diff) | |
| download | linux-7078b984223e0e0e17ecbf32bd05ef1a927c2788.tar.xz | |
stmmac: prevent interrupt loop with MMC RX IPC Counter
If the DesignWare MAC is synthesised with MMC RX IPC Counter, an unmanaged
and unacknowledged interrupt is generated after some time of operation.
This patch masks the undesired interrupts.
Signed-off-by: Christian Ruppert <christian.ruppert@abilis.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/mmc_core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c index 0c74a702d461..50617c5a0bdb 100644 --- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c @@ -149,6 +149,7 @@ void dwmac_mmc_intr_all_mask(void __iomem *ioaddr) { writel(MMC_DEFAULT_MASK, ioaddr + MMC_RX_INTR_MASK); writel(MMC_DEFAULT_MASK, ioaddr + MMC_TX_INTR_MASK); + writel(MMC_DEFAULT_MASK, ioaddr + MMC_RX_IPC_INTR_MASK); } /* This reads the MAC core counters (if actaully supported). |