[PATCH v2] imx-bbu-nand-fcb: fix build on MX28 only

[Sascha Hauer]

On Fri, Nov 17, 2017 at 07:14:26PM +0100, Lucas Stach wrote:
> This code may be compiled without ARCH_IMX6 present, so it must not
> depend on any functions provided by the architecture support.
> 
> Fixes: a2618c215bff (imx-bbu-nand-fcb: add support for imx6ul)
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
> ---
> v2: Remove ifdeffery by introducing a dedicated function, as
>     suggested by Sascha.
> ---
>  common/imx-bbu-nand-fcb.c | 18 +++++++++++++++---
>  1 file changed, 15 insertions(+), 3 deletions(-)

Applied, thanks

Sascha

> 
> diff --git a/common/imx-bbu-nand-fcb.c b/common/imx-bbu-nand-fcb.c
> index 89b404884ae8..2c8ca979266c 100644
> --- a/common/imx-bbu-nand-fcb.c
> +++ b/common/imx-bbu-nand-fcb.c
> @@ -38,9 +38,21 @@
>  #include <io.h>
>  #include <crc.h>
>  #include <mach/generic.h>
> -#include <mach/imx6.h>
>  #include <mtd/mtd-peb.h>
>  
> +#ifdef CONFIG_ARCH_IMX6
> +#include <mach/imx6.h>
> +static inline int fcb_is_bch_encoded(void)
> +{
> +       return cpu_is_mx6ul() || cpu_is_mx6ull();
> +}
> +#else
> +static inline int fcb_is_bch_encoded(void)
> +{
> +       return 0;
> +}
> +#endif
> +
>  struct dbbt_block {
>  	uint32_t Checksum;
>  	uint32_t FingerPrint;
> @@ -441,7 +453,7 @@ static int read_fcb(struct mtd_info *mtd, int num, struct fcb_block **retfcb)
>  		goto err;
>  	}
>  
> -	if (cpu_is_mx6ul() || cpu_is_mx6ull())
> +	if (fcb_is_bch_encoded())
>  		fcb = read_fcb_bch(rawpage, 40);
>  	else
>  		fcb = read_fcb_hamming_13_8(rawpage);
> @@ -899,7 +911,7 @@ static int imx_bbu_write_fcbs_dbbts(struct mtd_info *mtd, struct fcb_block *fcb)
>  
>  	fcb_raw_page = xzalloc(mtd->writesize + mtd->oobsize);
>  
> -	if (cpu_is_mx6ul() || cpu_is_mx6ull()) {
> +	if (fcb_is_bch_encoded()) {
>  		/* 40 bit BCH, for i.MX6UL(L) */
>  		encode_bch_ecc(fcb_raw_page + 32, fcb, 40);
>  	} else {
> -- 
> 2.11.0
> 
> 
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> 

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