From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 3/3] mxs_ocotp: clear the error flag before initiating write operation
Date: Mon, 01 Dec 2014 10:35:52 +0100 [thread overview]
Message-ID: <547C3678.8060806@denx.de> (raw)
In-Reply-To: <1416588884-21701-3-git-send-email-hector.palacios@digi.com>
On 21/11/2014 17:54, Hector Palacios wrote:
> A previous operation may have set the error flag, which must be cleared
> before a new write operation can be issued.
>
> Signed-off-by: Hector Palacios <hector.palacios@digi.com>
> ---
> drivers/misc/mxs_ocotp.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/misc/mxs_ocotp.c b/drivers/misc/mxs_ocotp.c
> index 1659ee6a5eec..6f0a1d3e6da8 100644
> --- a/drivers/misc/mxs_ocotp.c
> +++ b/drivers/misc/mxs_ocotp.c
> @@ -187,6 +187,8 @@ static int mxs_ocotp_write_fuse(uint32_t addr, uint32_t mask)
> uint32_t hclk_val, vddio_val;
> int ret;
>
> + mxs_ocotp_clear_error();
> +
> /* Make sure the banks are closed for reading. */
> ret = mxs_ocotp_read_bank_open(0);
> if (ret) {
>
Applied to u-boot-imx, thanks !
Best regards,
Stefano Babic
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next prev parent reply other threads:[~2014-12-01 9:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-21 16:54 [U-Boot] [PATCH 1/3] mxs_ocotp: prevent error path from returning success Hector Palacios
2014-11-21 16:54 ` [U-Boot] [PATCH 2/3] mxs_ocotp: check for errors from the OTP controller after writing Hector Palacios
2014-11-21 17:10 ` Fabio Estevam
2014-11-21 18:04 ` Hector Palacios
2014-11-22 19:29 ` Fabio Estevam
2014-11-22 19:31 ` Fabio Estevam
2014-11-22 19:31 ` Fabio Estevam
2014-12-01 9:35 ` Stefano Babic
2014-11-21 16:54 ` [U-Boot] [PATCH 3/3] mxs_ocotp: clear the error flag before initiating write operation Hector Palacios
2014-12-01 9:35 ` Stefano Babic [this message]
2014-12-01 9:35 ` [U-Boot] [PATCH 1/3] mxs_ocotp: prevent error path from returning success Stefano Babic
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