From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 5/7] S3C24XX: Add NAND Flash driver
Date: Wed, 12 Sep 2012 18:20:24 -0500 [thread overview]
Message-ID: <505118B8.9030609@freescale.com> (raw)
In-Reply-To: <505117D3.1070303@inov.pt>
On 09/12/2012 06:16 PM, Jos? Miguel Gon?alves wrote:
> Hi Marek,
>
> On 09/12/2012 10:11 PM, Marek Vasut wrote:
>> Dear Jos? Miguel Gon?alves,
>>
>>> +
>>> +/*
>>> + * Hardware specific access to control-lines function
>>> + */
>>> +static void s3c_nand_hwcontrol(struct mtd_info *mtd, int cmd,
>>> unsigned int
>>> ctrl) +{
>>> + s3c24xx_nand *const nand = s3c24xx_get_base_nand();
>>> + struct nand_chip *this = mtd->priv;
>>> +
>>> + if (ctrl & NAND_CTRL_CHANGE) {
>>> + if (ctrl & NAND_CLE)
>>> + this->IO_ADDR_W = (void __iomem *)&nand->nfcmmd;
>>> + else if (ctrl & NAND_ALE)
>>> + this->IO_ADDR_W = (void __iomem *)&nand->nfaddr;
>>> + else
>>> + this->IO_ADDR_W = (void __iomem *)&nand->nfdata;
>> Do you need this cast ?
>
> Without it gcc gives me a warning:
>
> s3c24xx_nand.c:90:20: warning: assignment discards `volatile' qualifier
> from pointer target type [enabled by default]
Why do you have volatile in your s3c24xx_nand struct?
-Scott
next prev parent reply other threads:[~2012-09-12 23:20 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-12 11:15 [U-Boot] [PATCH 0/7] Add support to MINI2416 board José Miguel Gonçalves
2012-09-12 11:15 ` [U-Boot] [PATCH 1/7] ARM: fix relocation on ARM926EJS José Miguel Gonçalves
2012-09-12 11:15 ` [U-Boot] [PATCH 2/7] S3C24XX: Add core support for Samsung's S3C24XX SoCs José Miguel Gonçalves
2012-09-12 11:15 ` [U-Boot] [PATCH 3/7] S3C24XX: Add serial driver José Miguel Gonçalves
2012-09-12 21:01 ` Marek Vasut
2012-09-13 0:54 ` José Miguel Gonçalves
2012-09-13 9:17 ` Marek Vasut
2012-09-13 9:30 ` José Miguel Gonçalves
2012-09-12 11:15 ` [U-Boot] [PATCH 4/7] S3C24XX: Add RTC driver José Miguel Gonçalves
2012-09-12 21:03 ` Marek Vasut
2012-09-12 23:28 ` José Miguel Gonçalves
2012-09-12 11:15 ` [U-Boot] [PATCH 5/7] S3C24XX: Add NAND Flash driver José Miguel Gonçalves
2012-09-12 21:11 ` Marek Vasut
2012-09-12 23:16 ` José Miguel Gonçalves
2012-09-12 23:20 ` Scott Wood [this message]
2012-09-13 0:18 ` José Miguel Gonçalves
2012-09-13 0:24 ` Marek Vasut
2012-09-13 0:40 ` José Miguel Gonçalves
2012-09-13 0:44 ` Marek Vasut
2012-09-12 23:45 ` Marek Vasut
2012-09-12 23:55 ` José Miguel Gonçalves
2012-09-12 11:15 ` [U-Boot] [PATCH 6/7] Add u-boot-ubl.bin target to the Makefile José Miguel Gonçalves
2012-09-12 11:15 ` [U-Boot] [PATCH 7/7] S3C24XX: Add support to MINI2416 board José Miguel Gonçalves
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