From: Tom Rini <trini@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] OMAP3 SPI : Fixed bugs related to SPI transfer
Date: Mon, 10 Dec 2012 13:16:35 -0700 [thread overview]
Message-ID: <20121210201635.GH9044@bill-the-cat> (raw)
In-Reply-To: <1353222615-11255-1-git-send-email-akdas75@yahoo.in>
On Sat, Nov 17, 2012 at 09:10:15PM -0000, Ajoy Kumar Das wrote:
> From: ajoy <akdas75@yahoo.in>
>
> Added posted writes (read after writes) to effect the
> change immediately for channel confiuration and channel
> enable register
>
> Disable the channel to purge receieve data in TX_ONLY
> mode transfer otherwise rx data will get affected by
> the next immediate RX_ONLY mode transfer
>
> Wait for the EOT bit to be set after last byte has been
> loaded to TX shift register in the the TX_ONLY mode.This
> ensures TX data has been completely shifted out
>
> Disable the channel in RX_ONLY mode before reading the
> last data from RXX register to prevent the SPI slave
> to transmit next word
>
> Signed-off-by: Ajoy Kumar Das <akdas75@yahoo.in>
> Cc: Tom Rini <trini@ti.com>
> Cc: jacopo mondi <j.mondi@voltaelectronics.com>
Applied to u-boot-ti/master, thanks!
--
Tom
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prev parent reply other threads:[~2012-12-10 20:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-18 7:10 [U-Boot] [PATCH] OMAP3 SPI : Fixed bugs related to SPI transfer Ajoy Kumar Das
2012-11-18 13:23 ` Peter Korsgaard
2012-11-18 16:40 ` Ajoy Das
2012-12-10 20:16 ` Tom Rini [this message]
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