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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v7 2/6] spi: cadence_qspi: fix indirect read/write start address
Date: Thu, 24 Sep 2015 09:18:39 +0200	[thread overview]
Message-ID: <20150924071839.CDBDA380695@gemini.denx.de> (raw)
In-Reply-To: <1443053976-9112-3-git-send-email-vikas.manocha@st.com>

Dear Vikas,

In message <1443053976-9112-3-git-send-email-vikas.manocha@st.com> you wrote:
> Indirect read/write start addresses are flash start addresses for indirect read
> or write transfers. These should be absolute flash addresses instead of
> offsets.
...
>  	/* Get address */
>  	addr_value = cadence_qspi_apb_cmd2addr(&cmdbuf[1], addr_bytes);
> -	writel(addr_value, plat->regbase + CQSPI_REG_INDIRECTRDSTARTADDR);
> +	writel((u32)plat->ahbbase + addr_value,
> +	       plat->regbase + CQSPI_REG_INDIRECTRDSTARTADDR);
...
>  	/* Setup write address. */
>  	reg = cadence_qspi_apb_cmd2addr(&cmdbuf[1], addr_bytes);
> -	writel(reg, plat->regbase + CQSPI_REG_INDIRECTWRSTARTADDR);
> +	writel((u32)plat->ahbbase + reg,
> +	       plat->regbase + CQSPI_REG_INDIRECTWRSTARTADDR);

As has been pointed out before, adding type casts to silence compiler
warnings is inherently wrong.  The compiler issues a warning here to
tell you that your code is broken, so you should fix your code and not
silence the warning to paper over it.

Please fix.

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
Voodoo Programming: Things programmers do that  they  know  shouldn't
work  but they try anyway, and which sometimes actually work, such as
recompiling everything.                             - Karl Lehenbauer

  reply	other threads:[~2015-09-24  7:18 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-24  0:19 [U-Boot] [PATCH v7 0/6] spi: cadence_qspi: optimize & fix indirect rd-writes Vikas Manocha
2015-09-24  0:19 ` [U-Boot] [PATCH v7 1/6] spi: cadence_qspi: move trigger base configuration in init Vikas Manocha
2015-09-24  7:22   ` Wolfgang Denk
2015-09-24 18:12     ` Vikas MANOCHA
2015-09-24 18:56       ` Wolfgang Denk
2015-09-24 19:39         ` Jagan Teki
2015-09-24 22:32           ` Wolfgang Denk
2015-09-25 23:25             ` Vikas MANOCHA
2015-09-24  0:19 ` [U-Boot] [PATCH v7 2/6] spi: cadence_qspi: fix indirect read/write start address Vikas Manocha
2015-09-24  7:18   ` Wolfgang Denk [this message]
2015-09-24  0:19 ` [U-Boot] [PATCH v7 3/6] spi: cadence_qspi: fix base trigger address & transfer " Vikas Manocha
2015-09-24  7:24   ` Wolfgang Denk
2015-09-24  7:49   ` Wolfgang Denk
2015-09-24  0:19 ` [U-Boot] [PATCH v7 4/6] spi: cadence_qspi: rename ahbbase to flashbase for clarity Vikas Manocha
2015-09-24  0:19 ` [U-Boot] [PATCH v7 5/6] spi: cadence_qspi: remove unused macro Vikas Manocha
2015-09-24  0:19 ` [U-Boot] [PATCH v7 6/6] spi: cadence_qspi: get fifo width from device tree Vikas Manocha
2015-09-24  7:34   ` Wolfgang Denk

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