diff options
| author | Rabeeh Khoury <rabeeh@solid-run.com> | 2018-06-19 21:36:50 +0300 |
|---|---|---|
| committer | Joe Hershberger <joe.hershberger@ni.com> | 2018-07-02 14:14:20 -0500 |
| commit | 0f8888b763fdc24e506b538ab521848e0566f9ca (patch) | |
| tree | 8f6df0a1e74ee994bdfa9140e798fa6bb4db4276 /drivers | |
| parent | 6dc73df73b2b95ec171d82558c2a0ed1437d8c0a (diff) | |
net: mvneta: dcache flush TX descriptors at init
This fixes sporadic timeout on initial packet Tx (usually ARP), with an
error message like:
timeout: packet not sent
Reviewed-by: Stefan Roese <sr@denx.de>
Tested-by: Chris Packham <judge.packham@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/mvneta.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c index 45e5eda955..254dd04697 100644 --- a/drivers/net/mvneta.c +++ b/drivers/net/mvneta.c @@ -1702,6 +1702,7 @@ static int mvneta_probe(struct udevice *dev) /* Align buffer area for descs and rx_buffers to 1MiB */ bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE); + flush_dcache_range((ulong)bd_space, (ulong)bd_space + BD_SPACE); mmu_set_region_dcache_behaviour((phys_addr_t)bd_space, BD_SPACE, DCACHE_OFF); buffer_loc.tx_descs = (struct mvneta_tx_desc *)bd_space; |