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From: Prabhakar Kushwaha <prabhakar@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 02/12][v3] driver/ldpaa_eth:Flush buffer before seeding BMAN after TX_conf
Date: Sun, 28 Jun 2015 10:08:51 +0530	[thread overview]
Message-ID: <1435466341-22901-2-git-send-email-prabhakar@freescale.com> (raw)
In-Reply-To: <1435466341-22901-1-git-send-email-prabhakar@freescale.com>

Flush buffer before releasing to BMan after TX_conf to ensure, the core does
not have any cachelines that the WRIOP will DMA to.

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
---
Changes for v2: Sending as it is for patchset
Changes for v3: Sending as it is for patchset

 drivers/net/ldpaa_eth/ldpaa_eth.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ldpaa_eth/ldpaa_eth.c b/drivers/net/ldpaa_eth/ldpaa_eth.c
index d4be1ba..5636511 100644
--- a/drivers/net/ldpaa_eth/ldpaa_eth.c
+++ b/drivers/net/ldpaa_eth/ldpaa_eth.c
@@ -153,6 +153,7 @@ static void ldpaa_eth_tx_conf(struct ldpaa_eth_priv *priv,
 		}
 	}
 
+	flush_dcache_range(fd_addr, fd_addr + LDPAA_ETH_RX_BUFFER_SIZE);
 	qbman_release_desc_clear(&releasedesc);
 	qbman_release_desc_set_bpid(&releasedesc, dflt_dpbp->dpbp_attr.bpid);
 	do {
-- 
1.9.1

  reply	other threads:[~2015-06-28  4:38 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-28  4:38 [U-Boot] [PATCH 01/12][v3] drivers/fsl-mc: Make MC boot error messages more readable Prabhakar Kushwaha
2015-06-28  4:38 ` Prabhakar Kushwaha [this message]
2015-06-28  4:38 ` [U-Boot] [PATCH 03/12][v3] drivers/fsl-mc: Autoload AOIP image from NOR flash Prabhakar Kushwaha
2015-06-28  4:38 ` [U-Boot] [PATCH 04/12][v3] drivers: fsl-mc: Update flibs to mc-0.6.0.1 Prabhakar Kushwaha
2015-06-28  4:38 ` [U-Boot] [PATCH 05/12][v3] drivers: fsl-mc: Update qbman driver Prabhakar Kushwaha
2015-06-28  4:38 ` [U-Boot] [PATCH 06/12][v3] drivers: fsl-mc: Return error for major version mismatch Prabhakar Kushwaha
2015-06-29 19:49   ` Joe Hershberger
2015-06-28  4:38 ` [U-Boot] [PATCH 07/12][v3] armv8/fsl-lsch3: partition stream IDs Prabhakar Kushwaha
2015-06-28  4:38 ` [U-Boot] [PATCH 08/12][v3] drivers/fsl-mc: dynamically create ICID pool in DPC Prabhakar Kushwaha
2015-06-28  4:38 ` [U-Boot] [PATCH 09/12][v3] armv8/fsl-lsch3: device tree fixups for PCI stream IDs Prabhakar Kushwaha
2015-06-28  4:38 ` [U-Boot] [PATCH 10/12][v3] driver/ldpaa_eth: Retry enqueue if portal was busy Prabhakar Kushwaha
2015-06-29 19:55   ` Joe Hershberger
2015-06-28  4:39 ` [U-Boot] [PATCH 11/12][v3] driver/ldpaa_eth: Add timeout handling DQRR entry read Prabhakar Kushwaha
2015-06-29 20:01   ` Joe Hershberger
2015-06-28  4:39 ` [U-Boot] [PATCH 12/12][v3] driver/ldpaa_eth: Avoid TX conf frames Prabhakar Kushwaha

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