From: Boris Brezillon <boris.brezillon@collabora.com>
To: Yue Haibing <yuehaibing@huawei.com>
Cc: bbrezillon@kernel.org, richard@nod.at,
linux-kernel@vger.kernel.org, marek.vasut@gmail.com,
paul.burton@mips.com, linux-mtd@lists.infradead.org,
miquel.raynal@bootlin.com, computersforpeace@gmail.com
Subject: Re: [PATCH] mtd: nand: Fix build error while CONFIG_MTD_NAND_ECC_SW_BCH is set to module
Date: Wed, 10 Apr 2019 15:39:28 +0200 [thread overview]
Message-ID: <20190410153920.68267a1a@collabora.com> (raw)
In-Reply-To: <20190410130747.35692-1-yuehaibing@huawei.com>
On Wed, 10 Apr 2019 21:07:47 +0800
Yue Haibing <yuehaibing@huawei.com> wrote:
> From: YueHaibing <yuehaibing@huawei.com>
>
> Fix gcc build error while CONFIG_MTD_NAND_ECC_SW_BCH
> is set to module:
>
> drivers/mtd/nand/raw/nand_base.o: In function `nand_cleanup':
> (.text+0xef6): undefined reference to `nand_bch_free'
> drivers/mtd/nand/raw/nand_base.o: In function `nand_scan_tail':
> nand_base.c:(.text+0xa101): undefined reference to `nand_bch_calculate_ecc'
> nand_base.c:(.text+0xa120): undefined reference to `nand_bch_correct_data'
> nand_base.c:(.text+0xa269): undefined reference to `nand_bch_init'
>
> CONFIG_MTD_NAND_ECC_SW_BCH should not be set to M,
> because MTD_RAW_NAND need it while linked.
>
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Fixes: 193bd4002644 ("mtd: nand: add software BCH ECC support"
Nope, it's not this one that introduced the regression.
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---
> drivers/mtd/nand/raw/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
> index 615d738..0500c42 100644
> --- a/drivers/mtd/nand/raw/Kconfig
> +++ b/drivers/mtd/nand/raw/Kconfig
> @@ -22,7 +22,7 @@ menuconfig MTD_RAW_NAND
> if MTD_RAW_NAND
>
> config MTD_NAND_ECC_SW_BCH
> - tristate "Support software BCH ECC"
> + bool "Support software BCH ECC"
> select BCH
> default n
> help
Should be fixed with the following diff squashed into:
51ef1d0b2095 ("mtd: nand: Clarify Kconfig entry for software BCH ECC algorithm")
--->8---
diff --git a/include/linux/mtd/nand_bch.h b/include/linux/mtd/nand_bch.h
index b8106651f807..06ce2b655c13 100644
--- a/include/linux/mtd/nand_bch.h
+++ b/include/linux/mtd/nand_bch.h
@@ -15,7 +15,7 @@ struct mtd_info;
struct nand_chip;
struct nand_bch_control;
-#if defined(CONFIG_MTD_NAND_ECC_BCH)
+#if defined(CONFIG_MTD_NAND_ECC_SW_BCH)
static inline int mtd_nand_has_bch(void) { return 1; }
@@ -39,7 +39,7 @@ struct nand_bch_control *nand_bch_init(struct mtd_info *mtd);
*/
void nand_bch_free(struct nand_bch_control *nbc);
-#else /* !CONFIG_MTD_NAND_ECC_BCH */
+#else /* !CONFIG_MTD_NAND_ECC_SW_BCH */
static inline int mtd_nand_has_bch(void) { return 0; }
@@ -64,6 +64,6 @@ static inline struct nand_bch_control *nand_bch_init(struct mtd_info *mtd)
static inline void nand_bch_free(struct nand_bch_control *nbc) {}
-#endif /* CONFIG_MTD_NAND_ECC_BCH */
+#endif /* CONFIG_MTD_NAND_ECC_SW_BCH */
#endif /* __MTD_NAND_BCH_H__ */
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next prev parent reply other threads:[~2019-04-10 13:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-10 13:07 [PATCH] mtd: nand: Fix build error while CONFIG_MTD_NAND_ECC_SW_BCH is set to module Yue Haibing
2019-04-10 13:39 ` Boris Brezillon [this message]
2019-04-10 13:58 ` Boris Brezillon
2019-04-10 14:10 ` Boris Brezillon
2019-04-10 14:22 ` YueHaibing
2019-04-10 14:29 ` Boris Brezillon
2019-04-10 15:03 ` YueHaibing
2019-04-10 16:18 ` Miquel Raynal
2019-04-10 17:03 ` Boris Brezillon
2019-04-12 14:28 ` YueHaibing
2019-04-12 15:04 ` Boris Brezillon
2019-04-12 15:23 ` YueHaibing
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