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    Subject[PATCH v2 2/2] nvmem: brcm_nvram: use bcm47xx buffered data
    Date
    From: Willem-Jan de Hoog <wdehoog@exalondelft.nl>

    The bcm47xx module has a copy of the NVRAM data in ram. When available, use
    this one instead of reading from io memory since it causes mtd/ubi to fail.

    [ arinc.unal@arinc9.com: Improved patch subject and log ]

    Signed-off-by: Willem-Jan de Hoog <wdehoog@exalondelft.nl>
    Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
    ---
    drivers/nvmem/brcm_nvram.c | 8 ++++++++
    1 file changed, 8 insertions(+)

    diff --git a/drivers/nvmem/brcm_nvram.c b/drivers/nvmem/brcm_nvram.c
    index 34130449f2d2..f74bcb1c948e 100644
    --- a/drivers/nvmem/brcm_nvram.c
    +++ b/drivers/nvmem/brcm_nvram.c
    @@ -33,6 +33,12 @@ struct brcm_nvram_header {
    static int brcm_nvram_read(void *context, unsigned int offset, void *val,
    size_t bytes)
    {
    +#ifdef CONFIG_BCM47XX_NVRAM
    +
    + return bcm47xx_nvram_read(offset, val, bytes);
    +
    +#else
    +
    struct brcm_nvram *priv = context;
    u8 *dst = val;

    @@ -40,6 +46,8 @@ static int brcm_nvram_read(void *context, unsigned int offset, void *val,
    *dst++ = readb(priv->base + offset++);

    return 0;
    +
    +#endif
    }

    static int brcm_nvram_add_cells(struct brcm_nvram *priv, uint8_t *data,
    --
    2.37.2
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