Re: [U-Boot] [PATCH] ahci: flush dcache before issuing command

2016-04-21 Thread Simon Glass 
On 14 April 2016 at 02:21,   wrote:
> From: Tang Yuantian 
>
> Ensure data the following sata command used is flushed out of dcache
> and written to physical memory or timeout error may happen.
>
> Signed-off-by: Tang Yuantian 
> ---
>  drivers/block/ahci.c | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Simon Glass 
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[U-Boot] [PATCH] ahci: flush dcache before issuing command

2016-04-14 Thread yuantian.tang 
From: Tang Yuantian 

Ensure data the following sata command used is flushed out of dcache
and written to physical memory or timeout error may happen.

Signed-off-by: Tang Yuantian 
---
 drivers/block/ahci.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c
index d29642b..e3e783a 100644
--- a/drivers/block/ahci.c
+++ b/drivers/block/ahci.c
@@ -1061,6 +1061,7 @@ static int ata_io_flush(u8 port)
 
memcpy((unsigned char *)pp->cmd_tbl, fis, 20);
ahci_fill_cmd_slot(pp, cmd_fis_len);
+   ahci_dcache_flush_sata_cmd(pp);
writel_with_flush(1, port_mmio + PORT_CMD_ISSUE);
 
if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE,
-- 
2.1.0.27.g96db324

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