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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [ANN] U-Boot v2015.10-rc4 released
Date: Thu, 01 Oct 2015 16:22:05 +0200	[thread overview]
Message-ID: <20151001142205.2B4DA3822C0@gemini.denx.de> (raw)
In-Reply-To: <CAOMZO5ATtUjk_TVS94N6evTKndozVRH9nXyE0UHPJ3sCQ906Zg@mail.gmail.com>

Dear Fabio,

In message <CAOMZO5ATtUjk_TVS94N6evTKndozVRH9nXyE0UHPJ3sCQ906Zg@mail.gmail.com> you wrote:
>
> Ok, the issue is due to endianness: on LS1021 the watchdog is
> big-endian, so that's why we can't use clrsetbits_le16().
...
> +       int reg;
> 
> -       clrsetbits_le16(&wdog->wcr, 0, WCR_WDE);
> +       reg = readw(&wdog->wcr);
> +       reg |= WCR_WDE;
> +       writew(reg, &wdog->wcr);

But this is broken.  We have the clrsetbits() [*] macros exactly to
avoid such code.

[*] resp. setbits() - using clrsetbits*() with 0 as clear mask is
a stupid thing to do anyway.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
It is wrong always, everywhere and for everyone to  believe  anything
upon  insufficient  evidence.  - W. K. Clifford, British philosopher,
circa 1876

      parent reply	other threads:[~2015-10-01 14:22 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-28 21:09 [U-Boot] [ANN] U-Boot v2015.10-rc4 released Tom Rini
2015-09-29  6:41 ` Wolfgang Denk
2015-09-29 15:35 ` Lukasz Majewski
2015-09-30 16:47 ` Sinan Akman
2015-09-30 17:16   ` York Sun
2015-09-30 17:22     ` Sinan Akman
2015-09-30 18:02       ` Sinan Akman
2015-09-30 18:16         ` Fabio Estevam
2015-09-30 18:33           ` Sinan Akman
2015-09-30 18:56             ` Fabio Estevam
2015-09-30 19:03               ` Fabio Estevam
2015-09-30 19:09                 ` Sinan Akman
2015-09-30 19:13                   ` Fabio Estevam
2015-10-01 15:19                 ` [U-Boot] ls1021atwr reset issue (was [ANN] U-Boot v2015.10-rc4 released) Sinan Akman
2015-10-01 19:09                   ` Fabio Estevam
2015-10-01 19:14                     ` Tom Rini
2015-10-01 19:17                       ` Otavio Salvador
2015-10-01 19:33                         ` Sinan Akman
2015-10-01 19:38                           ` Fabio Estevam
2015-10-01 19:41                             ` Sinan Akman
2015-10-01 19:28                       ` Sinan Akman
2015-10-01 19:36                         ` Fabio Estevam
2015-10-01 14:22               ` Wolfgang Denk [this message]

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